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Honeywell Vibrex 2000 User Manual Download Page 1

 

 

            

 

 

 

 

CAGE 99866 

 

User Guide 

For

 

Vibrex

™ 2000,

 

Vibrex

™ 2000 Plus 

and 

Enhanced Vibrex

™ 2000 Plus 

(Helicopter and Fixed Wing Versions) 

 
 

Digital Dynamic Balancer/Analyzer

 

Systems

 

 
 

13841 Rev.  A 

May 07, 2015

 

 

Honeywell International, Inc 

AEROSPACE 

– Torrance, CA USA 

 
 

HONEYWELL CONFIDENTIAL: This copyrighted work and all information is the 
property of Honeywell, contains trade secrets, and may not, in whole or in part, 
be used, duplicated, or disclosed for any purpose without prior written permission 
of Honeywell. All rights reserved. 

Summary of Contents for Vibrex 2000

Page 1: ...zer Systems 13841 Rev A May 07 2015 Honeywell International Inc AEROSPACE Torrance CA USA HONEYWELL CONFIDENTIAL This copyrighted work and all information is the property of Honeywell contains trade secrets and may not in whole or in part be used duplicated or disclosed for any purpose without prior written permission of Honeywell All rights reserved ...

Page 2: ... the property of Honeywell International Inc The information contained in this Manual is considered confidential No part of this Manual is to be copied or reproduced or transmitted in any form whatever including orally or by electronic transmission nor is any information in this Manual to be disclosed in any form whatever including orally or by electronic transmission to anyone other than an autho...

Page 3: ...osure of information on this page is subject to the restrictions on the title page 13841 Rev A iii REVISION HISTORY REV LTR PAGE PARA DESCRIPTION DATE ALL Initial Release per ECO 0204365 November 3 2013 A ALL SEE ECO 0256422 May 07 2015 ...

Page 4: ...duct Support 5 1 2 1 Fax Service 6 1 2 2 Internet Service 6 2 0 System Overview 7 2 1 Vibrex Systems Introduction 7 2 2 Product Description 8 2 2 1 Vibrex 2000 System Overview 9 2 2 1 1 System Operations 9 2 2 1 2 System Benefits 10 2 2 1 3 Self Test Feature 11 2 2 2 Vibrex 2000 Plus Enhancements 12 2 2 3 Enhanced Vibrex 2000 Plus Enhancements 13 2 3 System Specifications 14 2 3 1 Vibrex 2000 Spec...

Page 5: ...nting Data 36 3 3 1 Direct Serial Printing 36 3 3 1 1 Basic Settings 37 3 3 1 2 Connecting the Printer 37 3 3 2 Printing With a PC 41 3 3 2 1 Downloading Data 42 3 3 3 Reading FFT Data 44 3 3 4 Using the PRINT Key 45 3 3 4 1 Global Printing 46 3 3 4 2 Printing With REVIEW and PRINT Keys 51 4 0 Installation 53 4 1 Installation Introduction 53 4 2 Vibrex 2000 Basic Equipment 54 4 2 1 V2K Propeller B...

Page 6: ... Photocell System 74 4 4 2 1 Retro Reflective Target 75 4 4 2 2 General Photocell Use 76 4 4 2 3 Repair of Photocell Wiring 77 4 4 2 4 Photocell Placement 77 4 4 2 5 Target Positioning 80 4 4 3 Magnetic Pickup 81 4 5 Sample Installations 82 4 5 1 Lycoming O IO 320 360 83 4 5 2 Lycoming O IO 540 83 4 5 3 Continental O IO 470 520 550 83 4 5 4 P W R 985 2800 84 4 5 5 Flat Opposed General Rules 84 4 5...

Page 7: ...rotractor 118 5 4 3 3 Changing Performed Solutions 121 5 4 4 Finishing Propeller Balance 122 5 4 4 1 If Unable To Use Weight Azimuth 123 5 4 5 Reviewing Balance Histories 124 5 4 5 1 Reviewing Propeller Balance Measurements 126 5 4 5 2 Reviewing Other Balance Measurements 127 5 4 5 3 Reviewing Spectrum Peak Measurements 128 5 4 5 4 Reviewing Spectrum Order Analysis 129 5 4 5 5 Clearing Runs Measur...

Page 8: ...b Selection 179 5 6 5 Removing and Editing Models and Charts 180 5 6 6 Helicopter Balance Run Print Review and Clearing 185 5 7 Fixed Wing Balance EV2K Fixed Wing only 186 5 8 Spectrum Analysis All Vibrex 2000 units 188 5 8 1 Spectrum Analysis Setup 190 5 8 1 1 Ranging Feature 192 5 8 1 2 Annotating Spectra 193 5 8 2 Collecting Spectral Data 193 5 8 3 Order Analysis 195 5 8 4 Spectrum Viewer Featu...

Page 9: ...0 6 3 1 6 Setting Battery Time 211 6 3 2 EPROM Replacement 211 6 3 2 1 Determining EPROM Versions 212 6 3 2 2 Getting Started 212 6 3 2 3 Replacement Procedures 213 6 3 3 Panel Retention Screws 215 6 3 4 Cleaning 216 6 3 5 Testing 216 6 3 5 1 System Testing Using Model 11 Calibrator 216 6 3 5 2 Instrument Test Procedures for the Vibrex 2000 and Vibrex 2000 Plus 219 6 3 5 3 Approach 219 6 3 5 4 Pro...

Page 10: ...4 1 1 Printing the Fault Log 236 6 4 1 2 Clearing the Fault Log 237 6 4 1 3 Failure Modes 237 6 4 2 Troubleshooting Guide 238 6 4 2 1 Reference Table 238 6 4 2 2 No Vibration Reading 245 Appendix A Photocell Taping 249 Appendix B EV2K Helicopters 255 Appendix C EV2K FasTrak Configurations 259 Appendix D EV2K Fixed Wing Aircraft 263 Glossary 263 Notes 270 ...

Page 11: ... this User Guide use Part Number 768 13841 X Latest Dash number Propeller Balance Generic Propeller Balance Run No 1 Install the photocell velocimeter s and reflective tape on the propeller to be balanced Turn on the Vibrex unit Select Propeller Balance from the Main Menu screen Ensure the propeller input is plugged into channel No 1 and A and any other propeller or velocimeter in the other channe...

Page 12: ...done earlier then press START Operate the propeller at the same RPM as done in Run No 1 When the RPM is steady press START When the Vibrex unit has finished collecting data press START Continue making adjustments until the propeller yields the desired IPS level then press DONE from the Prop Balance Quality screen Helicopter Fixed Wing Balance EV2K only First Time Startup Install the photocell velo...

Page 13: ... has finished collecting data press START Press START to view the solution Apply changes exactly as specified or use ALTERNATE SOLUTION to view other solution options Press Done Next Run Job if balance is acceptable otherwise ensure the proper solution change type is selected and press START Implement the solution and power off the Vibrex unit After Balance Run No 1 Turn on the Vibrex unit Select ...

Page 14: ... measurements then press START Press START to save Balance Reading Install the velocimeters and photocell as desired for the aircraft to be balanced Power up the Vibrex unit Press the TRACK BALANCE context key from the Main Menu screen Operate the aircraft in the desired condition Press the desired channel to take measurement input Press START to save Strobex Track Install the Photocell or magneti...

Page 15: ...agnetic pickup FasTrak and mounting bracket Connect the magnetic pickup to MAG PU A Connect the FasTrak to MAG PU B Power up the Vibrex unit Press the TRACK BALANCE context key from the Main Menu screen Operate the aircraft in the desired condition Press the TRACK context key Insure that the proper helicopter model is selected Press the FasTrak context key Press the START key twice to acquire and ...

Page 16: ......

Page 17: ...lancer Analyzer systems It also gives information on customer support services Chapter 1 contains the following sections 1 1 About This User Guide 1 1 2 Product Support 5 1 1 About This User Guide This user guide explains how to install operate and maintain the Vibrex 2000 and Vibrex 2000 Plus systems The text sets out the basic procedures required to accomplish dynamic balancing with optimum resu...

Page 18: ...lease Version 4 03 Helicopter Version 5 00 Fixed Wing NOTE The Enhanced Vibrex 2000 Plus software runs only on the Vibrex 2000 Plus hardware platform Any references to the Vibrex 2000 Plus hardware unit specifications also apply to the Enhanced Vibrex 2000 Plus system NOTE The user must document all aircraft maintenance actions according to existing instructions and perform them in accordance with...

Page 19: ...system description Chapter 4 Installation Equipment list and general system installation procedures Chapter 5 General Operation Using the Vibrex 2000 to achieve optimum dynamic balance results Chapter 6 Maintenance Checking out the system basic repairs and solving problems includes a troubleshooting guide 1 1 2 Notice Formats In many places in this user guide the user may see special notices Their...

Page 20: ...alics designate personal computer PC keys for example Enter Important topics or terms are in italics Definition lists show the defined term first in boldface at the left side margin Unnumbered sectional subtopics have the first term at the start of the paragraph in boldface followed by a hyphen for example Vibrex 2000 Plus Digital Dynamic Balancer Titles of chapters or sections are in quotation ma...

Page 21: ...1 2 Product Support In the United States the user may reach a Vibrex technical representative from Honeywell s Technical Operations Center by dialing the numbers below Honeywell Customer Care Help Desk 24 7 1 602 365 3099 International 1 800 601 3099 US Canada Toll Free 24 7 AOG Pricing Support Help Desk Option 4 AOG Honeywell com Quotes Availability Help Desk Option 1 Quotes Honeywell com Technic...

Page 22: ...Fax Service You may send a fax detailing any questions or comments at any time by dialing the 24 hr number below 602 365 1871 Address any fax to the Technical Operation Center 1 2 2 Internet Service If you want more information about us Honeywell has an Internet site at the following URL http www MyAerospace com We also have an e mail box Make sure to send any messages to the attention of the Tech...

Page 23: ...m characteristics and technical specifications of the Vibrex 2000 Vibrex 2000 Plus and Enhanced Vibrex 2000 Plus Digital Dynamic Balancer Analyzer systems Chapter 2 contains the following sections 2 1 Vibrex Systems Introduction 7 2 2 Product Description 8 2 3 System Specifications 14 2 1 Vibrex Systems Introduction The Vibrex 2000 Vibrex 2000 Plus and Enhanced Vibrex 2000 Plus have the following ...

Page 24: ...s are not limited to the aircraft field Like their predecessors these products are usable in a wide range of uses including agricultural forest product related marine and industrial applications 2 2 Product Description This section gives a general description of the Vibrex 2000 Vibrex 2000 Plus and Enhanced Vibrex 2000 Plus systems including the differences between the two products NOTE See the Gl...

Page 25: ... they provide the operator with an overview of rotor and drive train vibration The Vibrex unit uses cables and transducers for example the Honeywell Model 7310 Velocimeter magnetic pickups and photocells from previous generations of our equipment further reducing the cost of ownership 2 2 1 1 System Operations The Vibrex 2000 Vibrex 2000 Plus and Enhanced Vibrex 2000 Plus systems allow the user to...

Page 26: ...del 135M 12 Strobex Tracker Spectrum Analysis Vibration peaks listed by frequency or order are available up to 24 000 RPM 600 000 for V2K The lists are based on 400 line fast Fourier transform FFT calculations As with all measurements the lists can be saved reviewed printed or transferred to a PC The user can save the complete spectrum and view it with a standard spreadsheet or with one of Honeywe...

Page 27: ...pensate for aging components temperature drifts and so on The unit then reports the total amount of time the batteries have been used since installation Press the unit s STATUS key to display checked battery and sensor voltages along with the date time and firmware version Using this key you may print the fault log for easy troubleshooting See Section 6 4 1 Fault Logs for details Self Test Modes T...

Page 28: ...tem offers the following extended capabilities An increase in maximum spectrum frequency from 24 000 RPM to 600 000 RPM 10 kHz A graphic spectrum viewing mode An extended balance frequency range from 120 RPM to 30 000 RPM Support for running up to four propeller balance jobs in parallel operation can suspend one then jump out and start another Four times the memory allowing more data to be saved 1...

Page 29: ... corrected and user entered balance coefficients can be renamed and saved for later use The FasTrak optical blade tracker is now supported in addition to the Strobex The EV2K provides the ability to use preset helicopter FasTrak setups as well as modify and create new FasTrak configurations Adds an extensive new Helicopter Balance capability version 4 xx A complete set of balance charts for 28 hel...

Page 30: ...cations The table starting below lists complete technical specifications for the Vibrex 2000 system Characteristic Specifications Basic Specifications Data storage capacity 1 Mb Built in test BIT coverage Memory check and calibration on power up user initiated tests with STATUS key check battery and sensor power NOTE Errors are logged to a printable fault log Date and time stamping Yes Log data fi...

Page 31: ...utes Phase resolution 2 min or 1 Phase accuracy 15 Balance frequency range 240 to 10 000 RPM Spectrum Analysis Analysis ranges maximum frequencies 1500 3000 6 000 and 12 000 and 24 000 RPM Window type Flat top FFT resolution 400 lines Signal Conversion Vibration Inputs Channel configuration options Sensor type Model 7310 Velocimeter Coupling Type ac High pass filter 3 pole Chebyshev 3 dB 3 Hz Anal...

Page 32: ...5 Input voltage range 0 5V to 12 0V peak nominal diode protected Coupling Type dc Interface Specifications Vibration transducer 2 each Model 7310 Velocimeter 19 mV IPS sensitivity Magnetic pickup tachometer 2 each pulse input magnetic pickup or logic type PC or printer 1 serial RS 232 9600 baud Accessory power 4 each D cell batteries reverse polarity circuit protected and fused Physical Particular...

Page 33: ... 50 C Electromagnetic interference EMI susceptibility and radiated emissions standards Industrial Electronic Control Equipment Class certified to Class Standard EN50081 2 Standard EN50082 2 2 3 2 Vibrex 2000 Plus Specifications The table starting below lists complete technical specifications for the Vibrex 2000 Plus system Characteristic Specifications Basic Specifications Data storage capacity 1 ...

Page 34: ...sed Honeywell V2K Download and V2K Plot programs Basic Performance Frequency range 0 to 10 000 Hz Accuracy 5dB from 5 Hz to 500 Hz 1dB from 500 Hz to 10 000 Hz Acquisition capability 2 vibration and 2 tachometer azimuth Balance Measurements Phase units Hours and minutes Phase resolution 2 min or 1 Phase accuracy 15 Balance frequency range 120 to 30 000 RPM Spectrum Analysis Analysis ranges maximum...

Page 35: ...log to digital converter type 13 bit Spurious free dynamic range 50 dB Input ranges 0 to 380 mV peak 20 IPS Input sensitivity 19 mV IPS peak Signal Conversion Magnetic Pickup Inputs Input frequency range 100 to 50 000 RPM RPM accuracy 0 15 Input voltage range 0 5V to 12 0V peak nominal diode protected Coupling Type dc Interface Specifications Vibration transducer 2 each Model 7310 Velocimeter 19 m...

Page 36: ...s Dimensions including mounting flanges Nominal measurements in inches are Height 7 38 Width 7 25 Depth 1 81 Weight 3 5 lb nominal Mating connector type PC to printer D sub 9 pin Power requirement 3 to 6 4 Vdc 250 mA Battery life typical 40 hr Case material Aluminum alloy Environmental Conditions Temperature 0 C to 50 C Electromagnetic interference EMI susceptibility and radiated emissions standar...

Page 37: ... Memory check and calibration on power up user initiated tests with STATUS key check battery and sensor power NOTE Errors are logged to a printable fault log Date and time stamping Yes Log data files contents and formats Balance jobs log book balance spectrum fault log all in ASCII format Compatible software ground based Honeywell V2K Download and V2K Plot programs Basic Performance Frequency rang...

Page 38: ...0 3000 6000 12 000 30 000 60 000 120 000 300 000 and 600 000 RPM Window type Flat top FFT resolution 400 lines Signal Conversion Vibration Inputs Channel configuration options Sensor type Model 7310 Velocimeter Coupling Type ac High pass filter 3 pole Chebyshev 3 0 dB 1 5 Hz Analog to digital converter type 13 bit Spurious free dynamic range 50 dB Input ranges 0 to 380 mV peak 20 IPS Input sensiti...

Page 39: ...mV IPS sensitivity Magnetic pickup Tachometer Fastrak 2 each pulse input magnetic pickup or logic type PC or printer 1 serial RS 232 9600 baud Accessory power 4 each D cell batteries reverse polarity circuit protected and fused Physical Particulars Dimensions including mounting flanges Nominal measurements in inches are Height 7 38 Width 7 25 Depth 1 81 Weight 3 5 lb nominal Mating connector type ...

Page 40: ...is subject to the restrictions on the title page 13841 Rev A 24 Environmental Conditions Temperature 0 C to 50 C Electromagnetic interference EMI susceptibility and radiated emissions standards Industrial Electronic Control Equipment Class certified to Class Standard EN50081 2 Standard EN50082 2 ...

Page 41: ...Chapter 2 System Overview Honeywell Confidential Use or disclosure of information on this page is subject to the restrictions on the title page 13841 Rev A 25 ...

Page 42: ...Chapter 2 System Overview Honeywell Confidential Use or disclosure of information on this page is subject to the restrictions on the title page 13841 Rev A 26 ...

Page 43: ...arted out in using them Chapter 3 contains the following sections 3 1 Getting Started Introduction 27 3 2 Basic Features 28 3 3 Printing Data 36 3 1 Getting Started Introduction This chapter gives a general explanation of how to get started using the Vibrex 2000 and Vibrex 2000 Plus systems In general the basic and startup features of both systems are the same Where there are differences between t...

Page 44: ...ion and azimuth frequency Printing feature explained in a separate section See Section 3 2 Basic Features for a diagram of the front of the Vibrex unit 3 2 Basic Features This section explains basic operating features that the Vibrex 2000 and Vibrex 2000 Plus offer the user Diagram The illustration below shows a picture of the Vibrex 2000 unit Except for the logo the Vibrex 2000 Plus is identical ...

Page 45: ...Chapter 3 Getting Started Honeywell Confidential Use or disclosure of information on this page is subject to the restrictions on the title page 13841 Rev A 29 ...

Page 46: ...In cold weather climates it is advisable to keep the Vibrex unit in a warm enough place near or above freezing if possible to ensure its continued use 3 2 1 1 Adjusting Screen Contrast With the Vibrex unit powered up use the raised buttons on the arrowheads to the right of the display to adjust screen contrast for easy viewing The display s contrast changes with changes in temperature As the unit ...

Page 47: ...cate there is more information that can be displayed than the eight lines shown Press the context key next to the arrowhead to see the remaining information 3 2 1 3 Self Test Screen The unit automatically performs a built in test BIT every time it powers up Important characteristics of this test are The self test does not check the cables or sensors attached to those cables The Self test screen di...

Page 48: ... symbols To enter the indicated number numeral one in the example below press the desired key once To enter a letter press the desired key several times until the display cycles to the desired letter For example to enter a number one in the display press the 1 KEY one time To enter a desired letter using this key do one of the following actions For A press the 1 KEY twice For B press the 1 KEY thr...

Page 49: ...ext to the alpha numeric keypad The following list names the dedicated keys and gives their uses ON OFF The power button see Section 5 2 Beginning Operation START Analogous to the Enter Return key on a personal computer PC It initiates actions based on prompts the user sees on the display or accepts changes and edits already made GO BACK Functions like the PC Escape key or Windows Cancel button It...

Page 50: ...t to return directly to the main menu This function is available only on inactive screens that is screens with no active revolutions per minute RPM or test 3 2 2 3 Context Keys There are four unlabeled keys to the left of the display These are the context keys One or more of these keys may be active when there is a pointer on the display next to the key on the front panel These keys perform operat...

Page 51: ...es in IPS Letters refer to the photocell or magnetic pickup azimuth channel s being used and show values in RPM Choosing a Channel Entry As many times as necessary press the context key next to the screen display line that contains the angle brackets until the desired channel entry displays Additional Channels on Enhanced Vibrex 2000 Plus this unit also allows the selection of two additional chann...

Page 52: ...on of serial printers it is impossible to address every setup for every printer For details refer to any appropriate PC and or printer manual that pertains to the user s computer system 3 3 1 Direct Serial Printing To connect the Vibrex unit to a Seiko Model DPU 414 printer connect the nine pin DBA female cable that terminates against a 9 to 25 pin male adapter Use an adapter that has the No 5 pin...

Page 53: ... Number of stop bits 1 Parity None Xon Xoff Supported 3 3 1 2 Connecting the Printer Connect a Seiko Model DPU 414 printer to the Vibrex 2000 or Vibrex 2000 Plus as follows 1 Connect the printer cable No 610 449 to the Vibrex unit and the printer 2 Turn ON the printer and press the ONLINE button if the on line light emitting diode LED is not illuminated 3 Select the desired information to be print...

Page 54: ... Paper feed SW To change the DIP SW settings push the ONLINE button and go to step 4 To leave the DIP SW settings unchanged push the FEED button and go to step 6 4 Dip SW1 is printed prompting the input of new settings for switch No 1 through 8 of DIP SW 1 NOTE Always input either ON or OFF for every setting in order for switch No 1 through 8 because the DIP SW set mode cannot be canceled once it ...

Page 55: ...e new settings are written to memory When the printer finishes writing everything to memory the DIP SW setting complete message is printed out and the printer returns to the on line mode 7 As soon as switch No 8 of DIP SW 3 is set the printer writes the settings to memory regardless of which button ONLINE or FEED is pushed See the following page for an example of the settings printout CAUTION Neve...

Page 56: ...o Loading OFF 4 ON Auto LF ON 5 OFF Setting Command Disable 6 OFF Printing 7 ON Density 8 ON 100 Dip SW 2 1 ON Columns 40 2 ON User Font Back up ON 3 ON Character Select Normal 4 ON Zero Normal 5 ON International 6 ON Character 7 ON Set 8 OFF U S A Dip SW 3 1 ON Data Length 8 bits 2 ON Parity Setting No 3 ON Parity Condition Odd 4 ON Busy Control H W Busy 5 OFF Baud 6 ON Rate 7 ON Select 8 ON 9600...

Page 57: ...PC This section explains how to print in a Windows 95 Windows 98 or Windows NT environment Connect the Vibrex 2000 or Vibrex 2000 Plus to the PC with a nine pin serial connector used by most computers NOTE From this point on the text uses Windows when referring to all three of these operating systems For an illustration of the general printing setup with a PC see the diagram below ...

Page 58: ... Downloading Data To print data from the Vibrex unit using a PC the user must first download that data from the unit to an IBM compatible PC running Windows Do this action by using the V2K Download Software program that comes with the Vibrex kit NOTE First make sure you installed the V2K Download Part No 14129 1software on your PC following the provided instructions ...

Page 59: ...on the OPEN NEW button in the V2K Download software 5 Type in the name of the file you wish to contain the data then click on OPEN 6 Click on CAPTURE FROM V2K 7 At the Vibrex unit select the data to be stored from the Print or Review menu 8 Press PRINT or START 9 Downloaded data is displayed on screen Data is now stored in the PC for later use CAUTION Attempting to download data without the V2K Do...

Page 60: ...estrictions on the title page 13841 Rev A 44 3 3 3 Reading FFT Data One of the types of data available to print in the Vibrex 2000 or Vibrex 2000 Plus spectral data file is called raw FFT Fast Fourier transform FFT is a method used to record vibration spectra digitally An FFT consists of individual bins also called ...

Page 61: ...ded with the vibration energy in each bin The number in each line of the FFT as printed in the Terminal or Hyperterminal program is equal to the inches per second IPS divided by 1000 For example if the range selected was 24 000 RPM the 9th bin 9th numerical entry after the 0 would correspond to 540 RPM in the spectra and the 200th bin line would correspond to 12 000 RPM The value in storing the vi...

Page 62: ...int menu format varies depending on the type of unit HINT The global print option is only available from the main screen The SPACE key can be used to instantly access the main screen from almost any menu except for when the SPACE key is actively being used for text editing For example from any menu Press SPACE key Press PRINT key Select print log type Vibrex 2000 and Vibrex 2000 Plus From this men...

Page 63: ...ty PROP RUNS Generic propeller balance runs V2K V2K EV2K HELICPTR RUNS Helicopter balance runs EV2K Heli only FIX WING RUNS Specific fixed wing balance runs EV2K FW only BAL MEAS Single balance measurements V2K V2K EV2K FASTRAK FasTrak measurements EV2K only SPECTRUMS Raw spectrum logs V2K V2K EV2K OBT DEBUG Optical Blade Tracker FasTrak Debug Log EV2K Heli only AC CHARTS Aircraft Charts User modi...

Page 64: ...peller balance runs stored to memory LOGBOOK Prints the log book entry for the current session The log book entry may only be printed if the DONE key was pressed after a last balance measurement confirming a good balance Printing Balance Measurements The user has the following choices under the PRINT BALANCE MEAS context key CURRENT MEAS Prints the latest measurement stored to memory ALL MEAS Prin...

Page 65: ...mal printer Use this feature primarily for PCs with their own software programs that generate graphic spectra Printing Status Information and Fault Log The user may print Vibrex unit status information as follows 1 From the Main Menu screen press STATUS Allow the Vibrex unit to complete its battery voltage and sensor power tests The Vibrex 2000 gives the user its test results by showing the batter...

Page 66: ...d balance charts are printed as soon as the PRINT context key is pressed These charts are specific to a given model component regime change type and sensor direction Only charts specifically modified by the user whether by hand editing or auto correction are printed CAUTION It is strongly recommended that if a user modifies the factory charts that this print function is used to record the results ...

Page 67: ... FasTrak and magnetic pick up connections if the data is completely missing CAUTION Because of limited memory this debug log is overwritten for each FasTrak acquisition If erratic or missing readings persist after checking the sun angle or blade condition then this log should be printed immediately after the affected run 3 3 4 2 Printing With REVIEW and PRINT Keys Using the REVIEW key the user may...

Page 68: ...information on this page is subject to the restrictions on the title page 13841 Rev A 52 key the user may choose the raw FFT data for any individual spectrum Bal Measurement Select the measurement to be printed and press PRINT Select CURRENT MEAS then press START or PRINT ...

Page 69: ...ng the Vibrex 2000 and Vibrex 2000 Plus Digital Dynamic Balancer Analyzer systems as well as general installation guidelines Chapter 4 contains the following sections 4 1 Installation Introduction 53 4 2 Vibrex 2000 Basic Equipment 54 4 3 Vibrex 2000 Plus Equipment 62 4 4 General Installation 71 4 5 Sample Installations 82 4 1 Installation Introduction The Vibrex 2000 and Vibrex 2000 Plus accept t...

Page 70: ...for the subject aircraft In addition this chapter contains lists of Vibrex 2000 or Vibrex 2000 Plus related equipment as well as descriptions of some sample aircraft installations For more information refer to The Smooth Propeller manual Upgrade Kit The user may easily upgrade the Vibrex 2000 system to a Vibrex 2000 Plus system Contact Honeywell Customer Support for details on the Upgrade Kit See ...

Page 71: ...ble shows a list of Honeywell equipment and accessories available with the Vibrex 2000 system for single engine propeller balance operations Qty Description Part No 1 Vibrex 2000 Balancer 901 13590 3 1 Propeller Protractor 913 13053 1 Carrying Case Fixed Wing 906 13771 1 Velocimeter 901 7310 1 Cable Velocimeter 50 ft 902 11210 50 1 Bracket Transducer 0 28 HL SS 904 3382A 1 Photocell Banner 3 ft 90...

Page 72: ...Guide 768 14984 1 Vibrex 2000 and Vibrex 2000 Plus User Guide User Guide No 768 13841 7 1 The Smooth Propeller Manual Version 2 768 9511B 1 V2K Fixed Wing Training Video VHS 768 17892 4 2 1 2 V2K Twin Engine Kits The following table shows a list of Honeywell equipment and accessories available with the Vibrex 2000 or Vibrex 2000 Plus system for twin engine propeller balance operations ...

Page 73: ...3 ft 902 12900 2 Cable Tracker 50 ft 902 11247 50 1 Mounting Bracket Photocell 903 10423 1 2 Retro Reflective Target Patches 907 10444 1 V2K Combo Download Plot Program kit 915 15178 1 V2K Download Software User Guide 768 14984 1 Vibrex 2000 and Vibrex 2000 Plus User Guide User Guide No 768 13841 7 1 The Smooth Propeller Manual Version 2 768 9511B 1 V2K Fixed Wing Training Video VHS 768 17892 4 2 ...

Page 74: ...le Velocimeter 50 ft 902 11210 50 1 Cable Velocimeter 20 ft 902 11210 20 2 Bracket Transducer 0 28 HL SS 904 3382A 2 Bracket Transducer 0 38 HL SS 904 3383A 1 Photocell Banner 3 ft 902 12900 1 Cable Tracker 50 ft 902 11247 50 1 Bracket Photocell 903 10423 1 2 Retro Reflective Target Patches 907 10444 1 Model 3030 Magnetic Pickup 906 5876 1 Cable Magnetic Pickup 25 ft 902 10808 25 1 Strobex Blade T...

Page 75: ...and Maintenance Manual 768 9076 1 V2K Download Software program 915 15164 1 V2K Download Software User Guide 768 14984 1 Vibrex 2000 and Vibrex 2000 Plus User Guide User Guide No 768 13841 7 1 V2K Helicopter Training Video VHS 915 16531 4 2 3 V2K Helicopter and Fixed Wing Kit The following table shows a list of Honeywell equipment and accessories available with the Vibrex 2000 system for helicopte...

Page 76: ...ion Part No 1 Vibrex 2000 Balancer 901 13590 3 1 Tail Rotor Protractor 913 13871 1 Propeller Protractor 913 13053 1 Carrying Case Rotary Wing 906 13842 2 Velocimeter 901 7310 1 Cable Velocimeter 50 ft 902 11210 50 1 Cable Velocimeter 20 ft 902 11210 20 2 Bracket Transducer 0 28 HL SS 904 3382A 2 Bracket Transducer 0 38 HL SS 904 3383A 1 Photocell Banner 3 ft 902 12900 ...

Page 77: ...0808 25 1 Strobex Blade Tracker Model 135M 12 901 8620 1 DC Cable Assembly with battery clips 902 3140E 1 Cable Strobex 902 13797 1 set Tip Targets Laminated 60 PCS 907 4270A 1 Model 135M 12 Strobex Operation and Maintenance Manual 768 9076 1 The Smooth Propeller Manual Version 2 768 9511B 1 Manual Chart Fundamentals 914 8016 1 V2K Combo Download Plot Program kit 915 15178 1 V2K Download Software ...

Page 78: ...wing kits for propeller balance Single engine Twin engine 4 3 1 1 V2K Plus Single Engine Kit The following table shows a list of Honeywell equipment and accessories available with the Vibrex 2000 or Vibrex 2000 Plus system for single engine propeller balance operations Qty Description Part No 1 Vibrex 2000 Balancer 901 13590 3 1 Propeller Protractor 913 13053 1 Carrying Case Fixed Wing 906 13771 1...

Page 79: ...915 15178 1 V2K Download Software User Guide 768 14984 1 Vibrex 2000 and Vibrex 2000 Plus User Guide User Guide No 768 13841 7 1 The Smooth Propeller Manual Version 2 768 9511B 1 V2K Fixed Wing Training Video VHS 768 17892 4 3 1 2 V2K Plus Twin Engine Kit The following table shows a list of Honeywell equipment and accessories available with the Vibrex 2000 or Vibrex 2000 Plus system for twin engin...

Page 80: ...2A 2 Photocell Banner 3 ft 902 12900 2 Cable Tracker 50 ft 902 11247 50 1 Mounting Bracket Photocell 903 10423 1 2 Retro Reflective Target Patches 907 10444 1 V2K Combo Download Plot Program kit 915 15178 1 Vibrex 2000 and Vibrex 2000 Plus User Guide User Guide No 768 13841 7 1 The Smooth Propeller Manual Version 2 768 9511B 1 V2K Fixed Wing Training Video VHS 768 17892 4 3 2 V2K Plus Rotor Track ...

Page 81: ...t 902 11210 50 1 Cable Velocimeter 20 ft 902 11210 20 2 Bracket Transducer 0 28 HL SS 904 3382A 2 Bracket Transducer 0 38 HL SS 904 3383A 1 Photocell Banner 3 ft 902 12900 1 Cable Tracker 50 ft 902 11247 50 1 Mounting Bracket Photocell 903 10423 1 2 Retro Reflective Target Patches 907 10444 1 Model 3030 Magnetic Pickup 906 5876 1 Cable Magnetic Pickup 25 ft 902 10808 25 1 Strobex Blade Tracker Mod...

Page 82: ...Video VHS 915 16531 4 3 3 EV2K Plus Rotor Track Balance Kit Options In addition to the normal Strobex track feature the EV2K also offers FasTrak optical tracking The EV2K also provides an extra two velocimeter channels four total with an optional cable In addition to the equipment listed in paragraph 4 3 2 the following table shows an optional list of equipment and accessories available for the En...

Page 83: ...cal Blade Tracker 901 11800 3 1 Cable Tracker VXP Hardwire 902 13279 25 1 Tracker Mounting Bracket Model Specific 1 or 2 Cable Velocimeter Multi channel 902 18701 X Sensor Mounting Brackets Model Specific 4 3 4 V2K Plus Helicopter Fixed Wing Kit The following table shows a list of Honeywell equipment and accessories available with the Vibrex 2000 system for helicopter rotor and fixed wing kit ...

Page 84: ...00 Plus Balancer 901 14990 1 Tail Rotor Protractor 913 13871 1 Carrying Case Rotary Wing 906 13842 2 Velocimeter 901 7310 1 Cable Velocimeter 50 ft 902 11210 50 1 Cable Velocimeter 20 ft 902 11210 20 2 Bracket Transducer 0 28 HL SS 904 3382A 2 Bracket Transducer 0 38 HL SS 904 3383A 1 Photocell Banner 3 ft 902 12900 1 Cable Tracker 50 ft 902 11247 50 1 Mounting Bracket Photocell 903 10423 1 ...

Page 85: ...t Tip Targets Laminated 60 PCS 907 4270A 1 Model 135M 12 Strobex Operation and Maintenance Manual 768 9076 1 The Smooth Propeller Manual Version 2 768 9511B 1 Manual Chart Fundamentals 914 8016 1 V2K Combo Download Plot Program kit 915 15178 1 Vibrex 2000 and Vibrex 2000 Plus User Guide User Guide No 768 13841 7 1 V2K Helicopter Training Video VHS 915 16531 1 V2K Fixed Wing Training Video VHS 768 ...

Page 86: ...ter Module 120VAC 57000154 0003 1 Adapter Module 120VAC 57000154 0004 1 Velocimeter cable assembly 50 ft low profile 902 11900 50 1 Model 9850 Signal Simulator for function test 901 9850 1 V2K Combo Download Plot Program kit standard with the Vibrex 2000 Plus 915 15178 1 V2K Plot Software User Guide 768 14984 As needed Additional Velocimeters As listed As needed Additional Velocimeter brackets As ...

Page 87: ...ed to as As listed The user may contact Honeywell Product Support for more information about this equipment and or how to purchase accessories or additional items 4 3 6 Carrying Case The illustration below shows how to fit the Vibrex 2000 or Vibrex 2000 Plus system components into their carrying case 4 4 General Installation This section explains general installation procedures for the Vibrex 2000...

Page 88: ...it along with a description of the channel s identification and general function Channel Description VELO 1 Velocimeter channel No 1 VELO 2 Velocimeter channel No 2 MAG PU PHOTOCELL A Photocell or magnetic pickup channel A MAG PU PHOTOCELL B Photocell or magnetic pickup channel B AUX OUTPUT Auxiliary output for a nine pin RS 232 serial cable for interfacing the unit with a personal computer PC a p...

Page 89: ...ared engines or radial engines The purpose of the check Velocimeter is to ensure the imbalance comes from differences in the mass of the propeller and not the crank shaft Failure to monitor the rear of the engine and attempting to balance may deteriorate the apparent vibration rather than decrease it even though the level at the front of the engine goes down Normally for a direct drive engine the ...

Page 90: ...n cowling baffling and accessory sections make sure that the transducer is mounted in such a way that the engine can get enough air for cooling during its run up Velocimeter Brackets Generally the brackets supplied in the application kits are adequate for general use 4 4 2 Photocell System The operational end of the Vibrex 2000 or Vibrex 2000 Plus photocell system is the Banner photocell probe fro...

Page 91: ... is unique because it reflects light back to its illuminating source On close examination the target consists of thousands of small glass beads or prisms held on an adhesive backing held in place on the rotating component with adhesive The Honeywell targets are only retro reflective if the glass beads are left exposed Coating the glass beads with any clear sealer destroys the retro reflective qual...

Page 92: ...get A single strip of the Honeywell retro reflective target aligned so it dwells in the photocell beam for the longest period of time is usually adequate For details see the the information in Section 4 4 2 4 Photocell Placement 4 4 2 2 General Photocell Use The photocell triggers that is it sends the timing pulse to the balancer as the target leaves the photocell beam This being the case if the u...

Page 93: ...the propeller can change too causing loss of signal on the target 4 4 2 3 Repair of Photocell Wiring The photocell is used in the sourcing mode The wire color codes are shown in the table below Color Source Pin Brown 10 30 Vdc A Blue DC Common B Black Signal Source D White Signal Sink Not Used 4 4 2 4 Photocell Placement When mounting the photocell system the user must take care in positioning the...

Page 94: ...ve target on the rotating component where it can be illuminated by the photocell beam Make sure to align the target strip tangentially relative to the component s circular motion NOTE The user can locate correct placement of the target by checking the small LED pulsating on the back of the photocell probe This LED is the alignment indicator As the LED pulses faster at a higher rate it indicates be...

Page 95: ... the probe with the Velocimeter but for some installations the user may need to mount the probe by itself using the single mounting screw provision NOTE The user may need to experiment with several mounting techniques and or positions to find the optimum positioning Incident Light Unwanted light that reflects into the photocell probe could result in incorrect measurements This type of light ...

Page 96: ...ected away from the photocell s beam see the diagram below This position is especially necessary when the target attaches to bright metal or glossy surfaces The illustration below shows an example of correct photocell positioning for optimum retro reflection 4 4 2 5 Target Positioning Rotate the component to be balanced to a position where a blade or some easily identifiable part of the rotating a...

Page 97: ...uce the length of the retro reflective target strip To calculate the best dwell time and length for the retro reflective target in the photocell beam see the graph that shows minimum target length under Appendix A Photocell Taping 4 4 3 Magnetic Pickup If the user needs instructions on magnetic pickup installation refer to the aircraft maintenance manual for the subject aircraft Refer to the appro...

Page 98: ...hotocell s distance from gap between the target interrupter is anywhere from 7 in to 7 ft What they do not say is the size target required to use it at 7 ft In most aviation applications the target tape would have to be so big you couldn t find anywhere to put it and it would throw the item out of balance a good amount Photocell Tape Width Try to stay in a range of between 5 in to 18 in Also since...

Page 99: ...meter on many installations Alternately the forward most backbone case half bolt may be used to mount the Velocimeter In both installations orient the Velocimeter with its vertical connector pointing up 4 5 2 Lycoming O IO 540 Occasionally these engines have a front mounted propeller governor that offers good access and is a good place to mount The forward most case half bolt is always an option O...

Page 100: ...Stay within 6 to 8 in from the engine center line 4 5 6 Radial Engine General Rules Mount the Velocimeter as close to the plane of rotation of the propeller as possible and 90 to the travel of the master cylinder connected to the master rod 4 5 7 Turbine Engines TPE 331 Use a vertical mounting up or down on the face of the reduction gearbox No survey Velocimeter is necessary NOTE Many TPE 331 appl...

Page 101: ... title page 13841 Rev A 85 4 5 8 Geared Reciprocating Engines To determine the engine revolutions per minute RPM from the photocell check the engine data plate and apply the resulting ratio to the tachometer reading from the propeller NOTE The propeller tachometer signal from the photocell does not match the engine tachometer RPM ...

Page 102: ...Chapter 4 Installation Honeywell Confidential Use or disclosure of information on this page is subject to the restrictions on the title page 13841 Rev A 86 ...

Page 103: ...operate the Vibrex 2000 Vibrex 2000 Plus and Enhanced Vibrex 2000 Plus Digital Dynamic Balancer Analyzer systems Chapter 5 contains the following sections 5 1 Operation Introduction 88 5 2 Beginning Operation 88 5 3 Basics of Operation 94 5 4 Propeller Balancing Generic 96 5 5 Helicopter Rotor Track and Balance Generic 161 5 6 Helicopter Balance EV2K Heli Only 161 5 7 Fixed Wing Balance EV2K Fixed...

Page 104: ...tional references to the EV2K are only included in this document if the operation is different than the V2K After a brief description of the Vibrex unit s front panel the rest of this chapter explains how to operate the Vibrex 2000 and Vibrex 2000 Plus to achieve these basic purposes including propeller balance as well as helicopter track and balance operations A final section explains the Vibrex ...

Page 105: ...t enters a rest mode to keep the batteries fresh To restart the unit at any time press the ON OFF button again NOTE All Vibrex 2000 units come shipped with batteries If the batteries run low or lose power the Vibrex unit may not power up However the user does not lose data stored in the memory during this time The unit keeps data in its memory for up to 8 hr without batteries and or power 5 2 2 Ma...

Page 106: ...creen the user may always press the 1 KEY for the Vibrex 2000 or Vibrex 2000 Plus On line Help feature This action accesses the Help screens for all operations Main Menu Options The Vibrex unit s Main Menu screen offers the user the following options Propeller Balance Used to acquire balance readings provide solutions and compute the final installation of balance weights on propellers Track and Ba...

Page 107: ...test the user first sees a rotating bar followed by a readout of the actual voltage level of the batteries and whether the voltage supply to the sensors is adequate Enhanced Vibrex 2000 Plus Helicopter Directly after the Enhanced Vibrex 2000 Plus powers up the Self test screen displays telling the user the unit is testing itself then the Main Menu screens The EV2K has two main screens in order to ...

Page 108: ...provides the FasTrak optical blade track option This feature is in the TRACK menu within the TRACK BALANCE function Preferences Allows user to select the unit preferences for displaying FasTrak data The user can also change these preferences within the FasTrak function Bookkeeping controls whether solution changes are accumulated for subsequent solutions when changes are saved at the end of a run ...

Page 109: ... following options Fixed Wing Balance Used to acquire balance readings and provide balance solutions adjustments based upon specific factory supplied or user edited fixed wing balance charts Moveline Check The fixed wing balance Moveline Check feature is a generic check to test the distance of a balance moveline from a low power or torque balance point to a high power or torque balance point Prefe...

Page 110: ...4 exceed manufacturer s limits See 5 6 2 0 for more information on bookkeeping Help Main menu Help This is provided as a context key instead of the V2K V2K 1 key 5 3 Basics of Operation Operate the Vibrex 2000 and Vibrex 2000 Plus using the front panel The illustration below shows views of this panel with the most important keys and their locations called out ...

Page 111: ...ictions on the title page 13841 Rev A 95 Basic operation of the Vibrex unit is user friendly and the user follows the simple prompts on the display s screens step by step to achieve the desired result As explained under Section 5 2 2 Main Menu Screen this screen displays after the Self test screen directly after powering ...

Page 112: ... Vibrex 2000 and Vibrex 2000 Plus operating features listed in the example shown above 5 4 Propeller Balancing Generic Use the PROPELLER BALANCE option in the Main Menu screen for propeller balancing Enter information used to balance the propeller in the resulting Propeller Balance Setup screens This section explains in general how to use the Vibrex 2000 and Vibrex 2000 Plus for typical propeller ...

Page 113: ...ral Operation Honeywell Confidential Use or disclosure of information on this page is subject to the restrictions on the title page 13841 Rev A 97 The following diagram shows a sample setup for a fixed wing aircraft ...

Page 114: ...Chapter 5 General Operation Honeywell Confidential Use or disclosure of information on this page is subject to the restrictions on the title page 13841 Rev A 98 ...

Page 115: ... 5 4 1 1 Entering Aircraft IDs The Vibrex unit asks for an aircraft tail number or serial number aircraft ID The user may use both alpha and numeric keys for this data entry as well as the available punctuation keys The user may use up to six characters for this entry Enter this information in the Vibrex 2000 using the first Propeller Balance Setup screen as shown below Enter or edit the aircraft ...

Page 116: ...ard copy This ID also labels data when the user is reviewing propeller balance measurements 3 If the user makes a mistake press the RESTORE RESET FIELD context key to start over 4 After the user has entered the aircraft ID press START dedicated key to return to the first Propeller Balance Setup screen 5 The user may press GO BACK to cancel or undo any edits This action also returns the user to the...

Page 117: ...is action allows the user to select the user s own channel assignments After the user makes sure the channel assignments shown on the Propeller Balance Setup screen are the same as the actual channels used press START to advance to the next screen CAUTION We suggest that the user perform a check run both on the first run and after the front balance channel is within limits If the rear channel is h...

Page 118: ...has entered the correct horsepower note the sensitivity number displayed beneath the SET SENSITIVITY line Repeated key presses of the context key scroll through the available horsepower ranges and their attendant sensitivities The Vibrex unit learns the response to the first weight change and corrects the sensitivity to one that is appropriate for the propeller being balanced NOTE Occasionally the...

Page 119: ...e user always has the ability to put any weight anywhere and the Vibrex unit can learn the response to this adjustment and correct automatically the sensitivity and phase sense The Auto Correction feature works based on a set of readings with a known change at a known location between those readings When the final solution is given Auto Correction is automatically shut off since additional changes...

Page 120: ... weight installed on the spinner mounting screws If a location closer to the center of rotation is chosen consider using a higher horsepower setting to increase the weight used 5 4 1 4 Setting Sensitivity Sensitivity refers to the response of the propeller to weight changes in The amount of weight per IPS move line The angular performance when weight is added to the blade with the reflective targe...

Page 121: ... indicated by their horsepower NOTE The Set Sensitivity feature only applies to the propeller balance channels the user selected in the Propeller Balance Setup screens Use the following values to set sensitivity Weight in grams per IPS Phase correction in clock hours If these sensitivities are known from having balanced a similar installation in the past the user may enter them manually for a high...

Page 122: ...r is not sure about the weight sensitivity be conservative that is use a lower number This action yields more conservative weight corrections for the propeller On subsequent runs these corrections automatically become calibrated by the Vibrex unit s Automatic Chart Correction feature NOTE Automatic calibration only occurs if the user has set the Autocorrection feature to ON Phase Correction The di...

Page 123: ...nvolved are small Making Allowance To allow for these sensitivities and phase correction use measurements derived from previous balance operations with the same type of aircraft and the same installation Use this method as follows 1 At the Set Sensitivity screen enter the weight sensitivity and phase correction from the record that resulted in the best improvement in balance 2 With the sensitivity...

Page 124: ...er be saved under a new name or removed Note that the factory default horsepower configurations cannot be removed 3 From the SAVE CONFIG AS key the user can use the text editing keys to save the configuration under any desired name Alternate path for saving corrected configurations Sometimes the user may want to save the auto corrected configurations if they were effective This alternate path allo...

Page 125: ...ton terminates the current balance session e g PERMANENT SOLUTION DONE The following screen will appear showing the original and corrected factors The user may then choose to save this configuration by pressing the SAVE NEW PROP CONFIG context key 5 4 1 6 Multiple Propeller Feature The Vibrex 2000 allows the user to switch between up to 4 propeller balance sessions Each session is identified by th...

Page 126: ... in the same way as the user would for theVibrex 2000 See Section 5 4 1 Propeller Balance Setup for details Do a Vibrex 2000 Plus multiple propeller balance operation as follows 1 From the Main Menu screen select the PROPELLER BALANCE option The first Balance Propeller Setup screen displays see below PROPELLER BAL SETUP AIRCRAFT ID ENG PROP ch 1A REAR ch NONE if ok push START SHOWS ENGINE NUMBER ...

Page 127: ...n and enter the necessary information in the same way as the user would for the Vibrex 2000 5 When the user is ready to begin propeller balancing press START A screen displays with a message asking the user to operate the propeller This is the same screen and message displayed by the Vibrex 2000 See Section 5 4 2 Acquiring Balance Readings for details 6 Proceed with running the propeller and acqui...

Page 128: ...x 2000 Plus 5 4 2 Acquiring Balance Readings Acquire balance readings and measurements as follows 1 Do a normal engine start and allow the engine to warm up then On constant speed propellers cycle the propeller twice to be sure the air is purged from the propeller hub On fixed pitch propellers run the propeller at the maximum static revolutions per minute RPM 2 Operate the propeller at the desired...

Page 129: ...correct press START to advance to the next screen NOTE High horsepower coarse pitch propellers may stall at a maximum static RPM Do not attempt a balance with the propeller stalling because the resulting balance reading in this situation is inaccurate A propeller is stalling if there is a noticeable change in the propeller s sound from what the user normally hears RUN 1 PROP MEAS 08APR00 09 31 08 ...

Page 130: ...elf for example that this is a before balancing run or the last balancing run Make any desired entry here then press START to enter the note and to advance to the next screen 5 4 2 2 Balance Quality Indicator The Vibrex unit offers a balance quality graph allowing the user to read out how well the user has achieved balance on a given propeller This graph displays on a screen that contains a horizo...

Page 131: ...xample above Read the Balance Quality graph as follows Anything better than or equal to acceptable means the propeller meets the balance guidelines given in The Smooth Propeller The label unacceptable means the balance reading is higher than the recommended 0 2 IPS The label warning indicates the propeller has a balance reading over 1 2 IPS The user must investigate the reason for an IPS reading h...

Page 132: ...IPS Reading Best Less than 0 05 Very good 0 05 to 0 09 Good 0 10 to 0 14 Acceptable 0 15 to 0 19 Unacceptable 0 20 to 1 19 Warning Greater than 1 20 There are two additional context keys for use during the balance operation as follows DONE Press when the balance level is at the desired point and there is no need to make any more changes INSTALL PERMANENTLY Press if the user needs to move the weigh...

Page 133: ...solutions use the following guidelines There may be some cases where the user cannot physically place the weight at a specified location or the user must add balance weights different from those specified To account for these variations the user must input the weight and clock angle of the actual adjustment into the Vibrex unit If the specified weight differs from that added to the propeller or th...

Page 134: ...e propeller s balance The closer the actual weight is to the specified amount and the closer to the specified location the better the initial and subsequent solutions normally work If the user performed the original solution exactly as specified or if the user input the actual propeller weight the next solution will be correct for the propeller CAUTION Even with the Autocorrection feature off the ...

Page 135: ...ct to the restrictions on the title page 13841 Rev A 119 NOTE The blue side of the Propeller Protractor is for counter clockwise rotation and the red side is for clockwise Correct Location To find the correct location on the propeller for applying the balance weights use the Propeller Protractor as follows ...

Page 136: ...ion on the propeller 4 Place the weight from the solution at the location derived from using the Propeller Protractor 5 If the user places weight at a location other than that specified by the Vibrex unit make a note of the clock angle of the weight and change the appropriate WEIGHT ENTERED solution in the Vibrex unit Use the Solution screen for this purpose For information on this screen see Sect...

Page 137: ...n the cowl where electronic alignment occurs helps alignment of the target and beam while the user is making balance adjustments 5 4 3 3 Changing Performed Solutions To change a solution to match any change that was actually made as opposed to a suggested change use the numeric keys to change the weight and clock angle when the Solution screen displays For example enter a weight change of 22 3 g b...

Page 138: ...allation for the Vibrex 2000 and Vibrex 2000 Plus as follows 1 Press the INSTALL PERMANENTLY context key from the propeller balance quality screen 2 If a radius change will occur for the installation of the permanent weight press the CURRENT RADIUS context key NOTE The radius is the number of inches or any unit from the center of rotation An easy way to determine the radius is to measure the diame...

Page 139: ...ght may be too much for a single weight addition point In these cases do the following procedures 1 Press the context key labeled AT XX XX 2 Press the SPLIT WEIGHT context key 3 Enter the angle or angles available for weight addition CAUTION The user must enter two weight points one on either side of the single weight location in order for the solution to result in the same IPS reading The Vibrex ...

Page 140: ...ART A NEW BALANCE JOB if the user is finished with the current balance session and wants to begin a new one 5 4 5 Reviewing Balance Histories Review balance histories and other past data as follows 1 Return to the Main Menu screen NOTE Even though REVIEW is a dedicated key it does not work unless the Main Menu screen is displayed 2 From this screen press REVIEW The Review Menu screen displays see ...

Page 141: ...k for each category of measurement represents the number of histories stored for the current run The number displayed after the slash mark represents the total number of readings stored for each category of measurement NOTE The user may store up to 10 propeller balance runs with their corrective actions 25 balance readings without corrections and 25 spectra with order analysis 99 on Vibrex Plus ST...

Page 142: ...histories stored for the current run The number displayed after the slash mark represents the total number of readings stored for each category of measurement NOTE The number of logs available for review depends on the type of log file CLEAR permanently erases all the logs of the selected type from memory A prompt screen will confirm this operation NOTE The Clear function under the main Review men...

Page 143: ... date code 2 Press the context key labeled prop meas to view the rear meas reading if a rear measurement was taken 3 Press the context key labeled rear meas to view the propeller balance adjustment NOTE The RPM of the balance run displays in the lower left corner of the balance reading 4 The user may go directly to another run by pressing the NEXT RUN or PREV RUN context key 5 The user may view th...

Page 144: ... pressing the MEASUREMENTS context key and entering the run number the user wants to view 5 4 5 3 Reviewing Spectrum Peak Measurements Review spectrum peak measurements as follows 1 From the Review Menu screen press the PEAK LISTS context key The measurements display as follows The list number displays in the upper right corner of the screen The annotation displays at the bottom of the screen The ...

Page 145: ...r details 5 4 5 5 Clearing Runs Measurements and Lists Clear runs measurements and lists as follows 1 From the Main Menu screen press REVIEW The Review Menu screen displays 2 Press the STATUS context key 3 Press the context key s next to any item the user wishes to clear NOTE The user cannot clear individual readings in the categories that are stored 5 5 Helicopter Rotor Track and Balancing Generi...

Page 146: ...he user may also use these screens for tracking propellers See The Smooth Propeller for detailed instructions on propeller tracking with the Model 135M 12 Strobex Tracker This section explains in general how to use the Vibrex 2000 and Vibrex 2000 Plus for typical rotor track and balance operations The following diagram shows a sample setup for a helicopter main rotor ...

Page 147: ...Chapter 5 General Operation Honeywell Confidential Use or disclosure of information on this page is subject to the restrictions on the title page 13841 Rev A 131 ...

Page 148: ... track operations as follows 1 Install a single interrupter on the rotating swashplate in the same way as the user would for any track and balance operation NOTE If the aircraft installation normally uses a double interrupter with the other single interrupters remove the double interrupter and other single interrupters so there is only one single interrupter on the rotating swashplate 2 Mount the ...

Page 149: ...k on an active charging 12 Vdc buss The voltage required to operate the Strobex is approximately 13 5V 7 From the Main Menu screen press the TRACK BALANCE context key to acquire a track reading The Track and Balance screen displays see below Press the STROBEX TRACK context key While the rotors are turning the magnetic pickup RPM displays in the lower left of the Vibrex unit screen ACQUIRE BAL CH 1...

Page 150: ...tain a correct viewing spread With the BLADE SPREAD key OFF the blades are superimposed on each other 10 When the user is finished press the GO BACK key as many times as necessary to return to the Main Menu screen 5 5 1 2 Main Rotor Track Strobex EV2K Strobex tracking using the EV2K works the same as for the V2K and V2K as described in paragraph 5 5 1 1 Main Rotor Track Strobex V2K and V2K except ...

Page 151: ... is pressed the user is prompted for one of these configurations as shown below Use the and keys find a configuration then press the START key to select the desired configuration You can save up to 25 user selected configurations NOTE If you do not see your desired configuration select the closest one as it can be edited later The configurations include number of blades rotor diameter tracker and ...

Page 152: ...alance models The list can be found in Appendix C Do main rotor FasTrak track operations as follows 1 Install a single interrupter on the rotating swashplate in the same way as the user would for any track and balance operation NOTE If the aircraft installation normally uses a double interrupter with the other single interrupters remove the double interrupter and other single interrupters so there...

Page 153: ...pear The user should verify the tracker settings match the given helicopter model 8 Use the Averaging key to select the amount of rotor rotations used to average the track readings the default is HIGH HIGH averaging 40 rotor rotations MEDIUN averaging 24 rotor rotations LOW averaging 16 rotor rotations Low averaging returns a faster result and can be used to repeatedly acquire data to access the v...

Page 154: ...speed It may vary slightly as blade track height varies It is presented mainly to insure that stable track pulses are being received If this number is zero check the FasTrak connections If it varies widely check sun position into the FasTrak lens or the condition of the paint on the blades 10 Press the START key An acquiring screen will appear briefly as the FasTrak acquires required number of rot...

Page 155: ...rom the blade names assigned in manufacturer s manuals If in doubt it is recommended that a table is created to map manufacture s blade names to EV2K passing order numbers Use the REF BLADE key to change the reference blade The referenced blade will be displayed as 0 0 Mean can be selected to reference the blades to the average track height Absolute can be selected to display the absolute distance...

Page 156: ... track solution A solution screen similar will appear Like the measurements the solution adjustments are displayed in passing order Use the SAVE RUN context key to save the current run NOTE Because many acquisitions may be used to acquire track data the user must explicitly save the desired runs if they are to be later printed or reviewed 13 If the tracker fails to acquire data an error screen wil...

Page 157: ... in paragraph 3 3 4 1 to print the OBT DEBUG log and contact equipment representative Bad Track Data Check sun blades log This is similar to missing track data above but no windows are getting valid data It is an indication that the tracker is getting extra or missing pulses in the blade windows Also check that the proper aircraft model number of blades is selected No Data Check Mag PUs A B Check ...

Page 158: ...he TRACK menu is first entered as per paragraph 5 5 1 2 Up to ten user configurations may be added 2 Use TRACK CONFIG menus 2 and 3 to edit the parameters as desired Rotor Blades Selects the number of main rotor blades ROTOR DIAMETER Change the main rotor diameter in mm This parameter only affects the lead lag measurements Increasing the diameter linearly increases the computed lead lag TRACKER SE...

Page 159: ...w size is a little less than 360 number of blades This offset positions the approximate center of the window for blade one after the mag PU fires ADJUSTMENT SENSITIVITY Change adjustment units and sensitivity Most units are available flats turns ticks clicks notches marks degrees mils mm and adjust Adjust is a generic unit available if none of the other units are applicable Sensitivities can be ch...

Page 160: ...dition is usually hover for balance measurements and straight and level for vertical measurements 3 Select the desired channels either 1A or 2B the user wants to read from NOTE If the user is using lateral and vertical sensors that share the same magnetic pickup press the CHANGE CHANNELS context key and choose 1A and 2A for the appropriate two channel assignments These choices are the defaults 4 S...

Page 161: ...continue with the program 6 Plot the readings on the appropriate chart at the intersection of clock angle and IPS Follow the fine lines perpendicular to the heavy borders of the chart 7 Read the changes specified on the heavy border and apply these changes to the rotor system 8 When the user is finished press the GO BACK key as many times as necessary to return to the Main Menu screen 5 5 3 Using ...

Page 162: ...on from the chart place the protractor on the chart so the photocell on the protractor aligns with the angle of the target when the beam leaves the reflective tape In other words the photocell may be mounted at 11 00 o clock azimuth but the beam actually hits the retro target when it leaves at 12 00 Then the clock corrector will be placed at12 00 o clock on the chart In the example the photocell i...

Page 163: ...Chapter 5 General Operation Honeywell Confidential Use or disclosure of information on this page is subject to the restrictions on the title page 13841 Rev A 147 ...

Page 164: ...Chapter 5 General Operation Honeywell Confidential Use or disclosure of information on this page is subject to the restrictions on the title page 13841 Rev A 148 ...

Page 165: ...itle page 13841 Rev A 149 Plot the reading from the Vibrex unit on the graph at the intersection of the clock angle shown on screen and the appropriate IPS circle Reading to the edges of the chart the solution for the rotor is add 0 27 g to the blank blade tip and add 3 5 g to the target pitch change link PCL See the illustration below ...

Page 166: ...Chapter 5 General Operation Honeywell Confidential Use or disclosure of information on this page is subject to the restrictions on the title page 13841 Rev A 150 ...

Page 167: ... from the balancer and protractor but it missed it s intended position by one hour CCW Rotate the corrector body on the chart one hour clockwise to correct for the one hour it missed it s intended point The real 2 point is replotted at 11 50 Plot remaining corrections using the protractor with the photocell line at approximately 12 00 o clock 5 5 3 1 Counter Clockwise Rotor Correction Correct the ...

Page 168: ... subject to the restrictions on the title page 13841 Rev A 152 If the move line is longer than the distance to the zero line decrease the adjustment proportionally If the move line is shorter than the distance to the zero line increase the adjustment proportionally Refer to the following illustration ...

Page 169: ...Chapter 5 General Operation Honeywell Confidential Use or disclosure of information on this page is subject to the restrictions on the title page 13841 Rev A 153 ...

Page 170: ...e aircraft perfectly Since the point did not go as planned the chart needs correction Because the run No 2 point missed in a clockwise direction from the first point the user must turn the Rotor Protractor again this time clockwise the same number of hours and minutes of the angle between where the point should have gone and where it did go Once the user plots the second point again on the chart t...

Page 171: ...Chapter 5 General Operation Honeywell Confidential Use or disclosure of information on this page is subject to the restrictions on the title page 13841 Rev A 155 ...

Page 172: ...ted point rotate the Rotor Protractor counter clockwise the same number of degrees by which the point missed its intended angle If the move line is longer than the distance to the zero line decrease the adjustment proportionally If the move line is shorter than the distance to the zero line increase the adjustment proportionally 5 5 4 Tail Rotor Balance Using Protractor The Vibrex unit uses a phot...

Page 173: ...ect tail rotor plot the points given by the Vibrex unit s screen displays as explained in the following sections Section 5 5 4 1 Clockwise Rotors Section 5 5 4 2 Counter Clockwise Rotors 5 5 4 1 Clockwise Rotors Finish balancing clockwise turning rotors as follows 1 Obtain a reading from the Vibrex unit s screen displays 2 Obtain the correct paper polar chart for use with the subject tail rotor Th...

Page 174: ...ywell 3 Using the blue counter clockwise side of the Rotor Protractor align the photocell on the protractor with the azimuth of the photocell on the helicopter 4 Plot the balance point from the Vibrex unit onto the chart using the clock numbering on the Rotor Protractor aligned as in step 4 on the chart For an explanation of how to use the Rotor Protractor see Section 5 5 3 Using the Rotor Protrac...

Page 175: ...lty in balancing to low levels or may result in high IPS levels during forward flight Track the tail rotor by using the Strobex In general do this operation as follows 1 Install the photocell system so one of the blade tips points towards the cabin Make sure the retro reflective target that triggers the photocell probe is in line with the probe beam 2 Apply a thin retro reflective target along the...

Page 176: ...e or disclosure of information on this page is subject to the restrictions on the title page 13841 Rev A 160 NOTE A Velocimeter is not required for tail rotor track operations 3 Place the Vibrex unit at the root of the tail boom See the illustration below ...

Page 177: ...ection 5 5 Main Rotor Track 10 Enter the number of tail rotor blades using the alpha numeric keypad 11 View the track from the root of the tail boom while looking at the edge of the tail rotor disc with the aircraft running Deviations from left to right indicate out of track in the obvious sense 12 Synchronize the flash of the Strobex with the photocell timing pulse so the blade tip targets become...

Page 178: ...onding components main rotor tail rotor drive shafts oil cooler fans etc This list is too extensive to be managed by a fleet user who normally maintains only about one to three helicopter models The Enhanced Vibrex 2000 Plus allows the user to select only the models that he she is actively maintaining Ten user models can be selected at once It also allows for individual charts to be tuned for a pa...

Page 179: ...e looking for is high on the list it may be easier to use the key and go up from the bottom of the list NOTE A list of available models is shown in Appendix B If you do not see your desired model or component it may be possible to select a similar model and hand edit the individual charts to suit the application If this is not feasible contact your representative with the possibility of adding you...

Page 180: ...ext button repeatedly to find the correct model If your model is not in the user list then press the ADD AIRCRAFT MODEL key and proceed with the instructions in paragraph 5 6 1 to add a factory model to the user list Use the EDIT AIRCRAFT MODEL context key to edit the model name or included balance charts See paragraph 5 6 5 Press the START key when the proper model is selected 2 Use the following...

Page 181: ...ing priority i e if a new component is selected the Regime and Change Type context below will be changed to match the balance charts in the selected component Press the START key when the proper component regime and change type are selected 3 Use the following screen to select the measurement name and the Vibrex channel number A 109EPower Run 1 Component MR Side Trkr Regime 100 Ground Change Type ...

Page 182: ...M R L lateral solution on the vertical sensor The EV2K usually defaults to lateral on CH 1A and vertical on CH 2B but the MEAS and BAL CHAN can be changed by the user A default BAL CHAN is selected corresponding to the measurement name but the selection can be changed by toggling through all available channel combinations CAUTION Make sure the physical EV2K connection is the same one you use for t...

Page 183: ...ed the current settings can be edited and a new solution calculated that respects these limits This can be done using ALTERNATE SOLUTION as described below BOOKKEEPING OFF ON controls whether changes are accumulated at the end of a run when you choose NEXT RUN MADE If bookkeeping is ON the suggested solutions will not exceed manufacturer s limits unless this option is overridden in the ALTERNATE S...

Page 184: ...nt information is correct Use the GO BACK key to change the selections if they are incorrect Be sure the actual RPM is within several percent of the desired RPM shown on the screen This is especially critical for some ground idle regimes and tail rotors Press the START key to initiate the actual measurement A progress screen will be shown in step 6 The ENTER MEAS MANUALLY gives the unique ability ...

Page 185: ...lized you had accidentally selected the Hover measurement This option can also be used for training demos or checking out previous solutions It is especially useful if you choose to build your own chart by editing the factory coefficients and you want to test the results Exiting from the manual entry screen by pressing START will take you to step 6 exactly the same as if you had actually taken the...

Page 186: ...otate this run Entering annotation is done similar to the method described in paragraph 5 4 1 1 Entering Aircraft IDs If desired the annotate feature can be used to indicate tail or serial number The annotation is carried through from run to run if it is not changed Press the REDO MEAS context key if you want to verify measurement stability or otherwise retake this measurement Press the START key ...

Page 187: ...e job For example when acceptable ground balance has been obtained the current balance job can be continued with the hover regime This is useful to keep balance sessions together when printing or reviewing the solutions The terms session and job are used interchangeably within the context of the EV2K Press the change type SOLTN context key to compute different types of solutions This key has no ef...

Page 188: ...diction indicator It predicts the balance level in IPS that would be achieved if adjustments are made exactly as indicated on a mechanically sound rotor head NOTE The EV2K solutions normally try to respect the manufacturer s limits That is perform the solution in the recommended unit increments and not exceed the adjustment limits on a given adjustment point If the starting vibrations are high or ...

Page 189: ...e SOLUTION ERROR screen may appear if no solution is available This may happen if the aircraft is already smooth or because of adjustment constraint issues e g the imbalance is totally out of phase with respect to the change type available most likely on two blade main rotors Use the GO BACK key to try different change type solutions if available or ALTERNATE SOLUTIONs 5 6 2 1 Alternate Solutions ...

Page 190: ...bly large adjustments This option can be used to specify the lowest target vibration This way high vibrations can be reduced in steps while still maintaining reasonable adjustment magnitudes The available minimums are 0 0 0 1 0 2 0 5 and 1 0 IPS ADJ PTS INCL ALL context key Upon trying to make adjustments you may find that a specific adjustment cannot be made For example if a weight point is maxed...

Page 191: ... seen by pressing the ADJ PTS key If there are no excluded points then the EXCLUDE key will be set to NONE and the Excluded Adj Points list will be empty Pressing EDIT ADJ POINTS will transition to a screen that allows you to select the change type In most cases there will only be one change type available but for non orthogonal solutions solutions that unequal correction angles or sensitivities i...

Page 192: ...hen you can start again RESPECT LIM YES context key Most helicopter manufacturers will publish limits for certain adjustment types e g maximum tab bends or weight added By default the EV2K will try to respect these limits If the solution shows high predicted vibrations see paragraph 5 6 2 9 then this option can be set to NO to see if there is a reasonable solution available without respecting limi...

Page 193: ...ere the above conditions cannot be satisfied These can be special or custom installations components that don t exactly match the charts because of physical or statistical differences or even to create new charts Auto correction is performed by checking actual versus predicted movelines and applying a correction factor At least two measurements must be acquired to compute a moveline The EV2K uses ...

Page 194: ...The Auto corrected from screen is reached whenever you finish a run or a job and auto correction factors have been computed that are different from the default factors The screen shows the internal chart coefficients before and after correction has taken place The u IPS represent change type units IPS for whatever the current change type is Press the SAVE CORRECTED CHART context key to save the ne...

Page 195: ... is powered back on a JOB SELECTION menu will be displayed if you are in the middle of a job and the HELICOPTER BALANCE main menu key is pressed This allows you to continue a current job or start a new one Note that up to four jobs can be worked simultaneously For example both a main and tail rotor can worked on the ground at the same time Note The job selection screen for the EV2K series works di...

Page 196: ...rcraft will be lost A prompt on the screen will warn you of this condition NOTE The EV2K only allows for four concurrent helicopter jobs The START A NEW BALANCE JOB context key will not appear if four jobs are already in progress IMPLEMENTATION NOTE Unlike Propeller Balance jobs which can be named with a user edited aircraft ID Helicopter Balance jobs are always named by the component in use for a...

Page 197: ...sweeten the charts for maximum performance on your helicopter or fleet You are installing the vibrations sensors at locations other than those recommend in the Application Guides You want to adapt the factory models for use on other helicopter types There are two basic ways to edit balance charts 1 A manual process when chart coefficients are known For example from existing polar paper charts manu...

Page 198: ...he user list You may want to do this if the user list is full or you want to clear a user model with previously edited charts Press the ADD FACTORY MODEL context key to add a new model as per 5 6 1 Helicopter Balance Initial Startup Press the START key to continue editing an individual chart 2 Four screens in sequence will guide you through the editing process The first two selection screens work ...

Page 199: ...circle for each adjustment point The clock angle shown on the screen is for adjustment point 1 as shown on the screen For Adj Pt 1 name The phase angles for the other adjustment points equally spaced out from this angle This algorithm will NOT work for unevenly spaced adjustment points of the same type The Propeller Balance menus may be more appropriate for EDIT CHART 1 of 4 Component MR Side Trkr...

Page 200: ...fic type Press the RESTORE RESET FIELD to return to the original settings Press the START key to complete editing process 4 The next screen allows you to save the edited chart either under the existing name or a new name Up to ten edited charts may be saved It is strongly recommended that you change the model name somehow so that user edited charts can be differentiated from factory charts Press t...

Page 201: ...e SPACE hard key anytime you are not editing a field Press the PRINT hard key you will be taken to the global print menu HELPFUL HINT 2 To print a single run press REVIEW hard key navigate to the proper run then press the PRINT hard key Press the REVIEW hard key to review the current or previous runs on the screen If you are using a global review from the main menu you will also be allowed to clea...

Page 202: ...ancing Generic The Enhanced Vibrex 2000 Plus provides a Fixed Wing Balancing function using built in charts for specific aircraft propellers Balance adjustment solutions are computed internally by the software There are over 30 factory fixed wing aircraft propellers to choose from This list is too extensive to be managed by a fleet user who normally maintains only several types of aircraft The Enh...

Page 203: ...res closely mirror those of Helicopter Balance described in section 5 6 To use Fixed Wing balance follow exactly the same procedures in 5 6 There are a few menus that are annotated with Helicopter These can be substituted with Fixed Wing when following the procedure and references to the A 109EPower helicopter and components in the examples can be substituted with references to your fixed wing air...

Page 204: ... power or torque balance point Generally if the moveline is more than 0 4 IPS this may indicate a problem with the propeller or hub Many times the propeller blades may be out of track The EV2K Strobex track feature may be used to check this and track the blades if necessary Caution Balancing the propeller that does not pass the moveline check may result in unsatisfactory results The Moveline Check...

Page 205: ...f the moveline is over 0 4 IPS the last line of the main moveline menu will show Moveline 0 42 IPS HI Correct the problem using manufacturer s procedures 4 Press START to continue At this point the measurement can be annotated and saved using the following screen 5 The SAVE RUN context must be pushed to save the run 6 Once saved the Moveline Check run can be reviewed and printed similar to other l...

Page 206: ...um Analysis All Vibrex 2000 units After any type of balance operation if the user feels additional vibrations the user can use the Spectrum Analysis feature of the Vibrex 2000 Vibrex 2000 Plus or Enhanced Vibrex 2000 Plus to determine the probable source of the vibration This feature allows the user to collect extensive detailed spectral data 5 8 1 Spectrum Analysis Setup Access and set up this fe...

Page 207: ...text key The default is one per revolution NOTE The use of a one per revolution azimuth signal is not required to obtain a spectrum but its value in separating harmonically related peaks from other unrelated peaks is useful 4 Select the range of interest active orders by pressing the 0 24 000 RPM Vibrex 2000 or 0 600 000 RPM Vibrex 2000 Plus context key See Section 5 6 1 1 Ranging Feature for deta...

Page 208: ...0 0 to 6000 0 to 12 000 0 to 30 000 0 to 60 000 0 to 120 000 0 to 300 000 0 to 600 000 NOTE When the maximum range is selected the orders list will show no IPS at the low ranges first four bins of the FFT of the balancer will not show any IPS NOTE To select the optimum frequency range multiply the primary frequency by 12 and choose the nearest frequency range that corresponds to that value 5 8 1 1...

Page 209: ...not show up If the ranging is lowered to 0 to 12 000 RPM the peaks in the 12 000 to 20 000 RPM range become replaced by lower level peaks in the 0 to 12 000 RPM range The minimum IPS value that displays is 0 01 IPS 5 8 1 2 Annotating Spectra Annotate the spectrum by pressing the context key next to the ANNOTATE notation or press START and continue to the next screen then select the ANNOTATE contex...

Page 210: ...ot fit on the initial screen In this case press the adjacent context key to list additional peaks Note that details of this screen on the Vibrex 2000 Plus may differ NOTE The Vibrex 2000 Plus displays the Spectrum View screen first See Section 5 6 4 Spectrum Viewer Feature for details 4 Press START again to save the list in memory The user may press GO BACK to erase the list ANNOTATE LIST 1 25SEP9...

Page 211: ...umber of blades and multiples of the number of blades For example a two bladed rotor system turning 300 RPM has a first order fundamental of 300 RPM a second order at 600 RPM a fourth order at 1200 RPM and so on Reciprocating four cycle engines have harmonics in one half order increments beginning with the one half order half the engine speed and continuing up through approximately eight times the...

Page 212: ...had any associated IPS value After the user has viewed a list press START again to save the list in memory The user may press GO BACK to erase the list 5 8 4 Spectrum Viewer Feature The Vibrex 2000 Plus allows the user to view spectral graph plots of vibration data Use the SPECTRUM ANALYSIS option in the Main Menu screen to access this feature NOTE This feature is only available with the Vibrex 20...

Page 213: ...al measurements it displays the Spectrum Peaks screen see Section 5 8 2 Collecting Spectral Data in the same way as the Vibrex 2000 However the user may also press the RPM PEAK IPS context key twice to display the Spectrum Viewer screen Press this context key to cycle among the following three spectrum views in this order Spectrum Peaks Spectrum Orders Spectrum Viewer The illustration below shows ...

Page 214: ...IEW icon key These keys have the same function Use the Arrow keys to move the cursor position See Section 5 8 2 Collecting Spectral Data for detailed information on these screens All other spectrum features with the Vibrex 2000 Plus operate in the same way as they do with the Vibrex 2000 model FULL SPECTRUM VIEW CURSOR POSITION SET ZOOM AREA IDENTIFIED BY DOTTED LINE CYCLE VIEW CONTEXT KEY ZOOMED ...

Page 215: ...he user to display specific data associated with the current cursor position Do this action as follows 1 In the Spectrum Viewer screen place the cursor on the desired peak 2 Press the context key The Cursor Data screen displays see below This screen gives the user specific vibration data on the current cursor position LIST 1 17JAN00 16 54 46 1A 0 30 000 RPM CURRENT CURSOR DATA 0 86 IPS 15300 RPM 1...

Page 216: ......

Page 217: ...ibrex 2000 Plus Digital Dynamic Balancer Analyzer systems Chapter 6 contains the following sections 6 1 Maintenance Introduction 201 6 2 Theory of Operation 202 6 3 Routine Servicing 207 6 4 Troubleshooting 235 6 1 Maintenance Introduction This chapter provides general maintenance procedures the user can perform on the Vibrex 2000 and Vibrex 2000 Plus in the field including the personal computer P...

Page 218: ...le that lists the most likely problems the user may encounter along with their probable causes and some suggested corrective actions For more assistance see any maintenance manual for the subject aircraft and or The Smooth Propeller manual 6 2 Theory of Operation The Vibrex 2000 and Vibrex 2000 Plus acquire display process and analyze vibration data for fault analysis and balance correction The fo...

Page 219: ...user inputs programming the vibration and tachometer input channels and displaying results and information on the liquid crystal display LCD screen Also the microprocessor transmits data to the outside that is to a printer or PC via an RS 232 serial interface and a nine pin connector For more information on the EPROM chip including replacement instructions see Section 6 3 2 EPROM Replacement 6 2 2...

Page 220: ...ese signals to 2 5V then passes them through a two pole high pass filter having a corner at 4 Hz The signals then pass through a six pole low pass antialiasing filter with a corner frequency at 380 Hz These conditioned signals then go to a 13 bit ADC The 13 bits include 12 bits to signify the number plus one for the sign or A timing processor unit TPU in the microprocessor controls the sampling A ...

Page 221: ...cuitry 6 2 4 1 Battery Power The Vibrex unit operates with four D size batteries nominally 1 5 Vdc each This setup provides an input range of 3 5 to 6 4 Vdc The user can use rechargeable batteries but they do not provide so long an operating time nor the low power warning time that the recommended alkaline batteries are able to give The batteries are always powering a very low power on off logic c...

Page 222: ...ocell power switch allows the microprocessor to turn off the photocell when it is not needed saving power and extending battery life The 12V supply also powers the analog filters azimuth conditioning and contrast circuitry Power Supply 5V The 5V supply runs the screen display and digital circuitry including the microprocessor and memory Power Supply 12V The 12V supply powers the Velocimeters and a...

Page 223: ... but the unit does not necessarily reset At low battery voltages the unit may either reset or power off CAUTION These operations do not damage the unit but could cause the loss of memory contents and or data 6 3 Routine Servicing This section explains routine maintenance and servicing procedures the user may do with the Vibrex 2000 and Vibrex 2000 Plus to ensure optimum performance 6 3 1 Batteries...

Page 224: ...s far inferior to alkaline batteries and NiCads deteriorate if not used regularly On the good side NiCads are less expensive over the life of their use than alkaline batteries The rule for NiCad batteries is to use them often and hard NOTE The Vibrex unit comes shipped with alkaline batteries 6 3 1 2 Battery Usage Keep the following important cautions in mind when using batteries with the Vibrex u...

Page 225: ...ictions on the title page 13841 Rev A 209 to cause in European countries where the D batteries have no tips on the positive end Both ends are flat so the user must read the label on the battery 6 3 1 3 Battery Insertion Diagram For a diagram of how to insert batteries into the Vibrex unit see the illustration below ...

Page 226: ...ng the batteries it is important to observe the proper orientation as depicted by the decals located inside the Vibrex 2000 battery tubes Reinstall the batteries as follows 1 Insert the right side batteries in the hand grip next to the contrast buttons negative end first The raised contact must be facing out 1 2 Install the left side batteries in the hand grip next to the context keys positive end...

Page 227: ...brex unit has a feature that tells how much time the user has been operating a set of batteries NOTE If the user already has time use on the batteries the battery voltage indication is the best guide to battery health since resetting the battery time results in a zero reading for battery time in service To ensure the accuracy of this reading set the battery time after new battery installation as f...

Page 228: ...OTE The user can do this operation in the field by following the instructions in the PDF User Guide Part Number 15766 1 VIBREX 2000 and VIBREX 2000 Flash Programming Guide or the read me text file same title Part Number 15767 6 3 2 1 Determining EPROM Versions To determine the EPROM version number press the STATUS key from the Main Menu screen Note Only Vibrex 2000 13590 2 and earlier have replace...

Page 229: ...replacement Description Tool No 1 Phillips cross head Screwdriver No 2 Common Screwdriver 6 3 2 3 Replacement Procedures For a complete diagram of how to disassemble the Vibrex unit see Section 6 3 7 Complete Unit Disassembly numbers in parentheses refer to reference numbers in this diagram and in the table in Section 6 3 7 1 Parts List Replace the EPROM chip as follows 1 Remove the battery end pl...

Page 230: ...d plate away from the chassis using care that the shield 02 follows the main PCB 14 without catching on anything 8 Locate the EPROM chip U20 on the top side of the main PCB same side as the LCD screen 9 Remove the EPROM chip from the EPROM socket in the main PCB 14 by gently prying it up first at one end then the other until the EPROM is clear of the socket 10 Insert the new EPROM chip into the EP...

Page 231: ... is clear of the socket 4 Insert the new EPROM chip into the EPROM socket so the index notch in the chip aligns with the notch printed for U20 on the main PCB 14 CAUTION Take care not to bend the pins on the EPROM when pushing the chip in 5 Make sure the EPROM chip pins align with the EPROM connector sockets before pressing the chip into the socket 6 Reassemble the Vibrex unit in the reverse order...

Page 232: ...mild detergent clean the face of the instrument To add more protection to the instrument the user may apply a light film of Armor All to the control subpanel 2 Blow out any dirt in the interior of the chassis 3 Ensure the unit is dry before reassembly 6 3 5 Testing We recommend that the user perform a yearly function test end to end on the Vibrex 2000 and Vibrex 2000 Plus If the readings obtained ...

Page 233: ...ely BOTH velocimeters must be installed or alternately a mass equal in weight to the velocimeter must be placed opposite the velocimeter being tested 2 Connect the Velocimeter to the Balancer channels 1 and 2 3 Insert a magnetic pickup in the 5 8 18 threaded hole until the tip of the magnetic pickup just touches the interrupter screws then back off one flat and tighten the jam nut 4 Connect the ma...

Page 234: ... of the Calibrator 11 Turn Balancer ON 12 After Power Up self test press TRACK BALANCE 13 Select channel 1 and A press START 1 14 Reading should be 4 IPS 04 IPS and 9 00 o clock 1 hour and RPM should read 900 5 RPM 14 Turn calibrator speed selection to 1800 RPM Adjust speed according to Step 10 15 Press REDO Measurement Context Key 2 17 Readings should be 8 IPS 08 IPS at 9 00 o clock 1 hour and RP...

Page 235: ...ated source will be measure at start mid and end band frequencies of the filters used and compared to insure they meet specifications In addition a mid band signal will be measured for amplitude phase and frequency response and compared to specification All the above testing will be repeated for each of the 2 signal paths Test Equipment HP 8904A Signal Generator Hewlett Packard 10 mV to 5 VAC 0 1 ...

Page 236: ...t Setup 6 3 5 4 Procedure 1 Connect the test equipment to the unit under test as depicted in Figure 1 2 Power up the Equipment Under Test EUT 3 Press STATUS context key and insure battery voltage reported is 3 5 Vdc 4 Configure the 8904 as follows Channels 1 and 2 Float OFF Channel 1 19 mV 40 Hz Phase 0 deg Sinewave Channel 2 1V 40 Hz Phase 180 deg Squarewave ...

Page 237: ...nalysis from the main menu 8 Complete the following table by adjusting the EUT maximum frequency the signal generator frequency and the sinewave amplitude on the True RMS meters as listed and acquire a spectrum Record the peak value in the table 6 3 5 5 For The Vibrex 2000 Basic Complete steps 4 through 8 and fill out the following table NOTE For the 13590 2 there is no need to repeat the test on ...

Page 238: ...0 X 1 11 160 Hz 12 000 13 44 0 90 X 1 11 320 Hz 24 000 13 44 0 90 X 1 11 6 3 5 6 For The Vibrex 2000 Plus Signal Gen Frequency Hz 0 01 Vibrex 2000 Max RPM True RMS Meter Amplitude VMS Vibrex 2000 Peak IPS Channel 1 Specification assumes 5 for True RMS meter 40 Hz Balance 13 44 0 90 X 1 11 11 30 12 30 2400 RPM 3 6 5 Hz 1 200 13 44 0 90 X 1 11 500 Hz 30 000 13 44 0 90 X 1 11 1 000 Hz 60 000 13 44 0 ...

Page 239: ...les to channels 2 and B respectively Repeat steps 4 through 8 and fill out the following table Signal Gen Frequency Hz Vibrex 2000 Max RPM True RMS Meter Amplitude VMS Vibrex 2000 Peak IPS Channel 2 Specification assume 5 for True RMS meter 40 Hz Balance 13 44 0 90 X 1 11 11 30 12 30 2400 RPM 3 6 5 Hz 1 200 13 44 0 90 X 1 11 500 Hz 30 000 13 44 0 90 X 1 11 1 000 Hz 60 000 13 44 0 85 X 1 18 5 000 H...

Page 240: ...ontinue Global clear will erase ALL memory contents including all runs spectrums and the fault log If you are having problems with the unit it is advisable to print the fault log PRIOR to erasing it See Section 3 3 Print Data CAUTION EV2K Series This series gives you the ability to modify balance and FasTrak charts and save chart corrections Use the global clear option only as a last resort if you...

Page 241: ...he illustration in Section 6 3 7 shows an exploded diagram of the complete unit s assembly including all components referred to in procedures given in this chapter Required tools are two screwdrivers as described Section 6 3 2 2 NOTE The numbers in the exploded diagram designate reference numbers for parts For the corresponding part names see the table under Section 6 3 7 1 Parts List Vibrex 2000 ...

Page 242: ...Chapter 6 Maintenance Honeywell Confidential Use or disclosure of information on this page is subject to the restrictions on the title page 13841 Rev A 226 Vibrex 2000 PN 13590 3 ...

Page 243: ...Chapter 6 Maintenance Honeywell Confidential Use or disclosure of information on this page is subject to the restrictions on the title page 13841 Rev A 227 ...

Page 244: ...Chapter 6 Maintenance Honeywell Confidential Use or disclosure of information on this page is subject to the restrictions on the title page 13841 Rev A 228 Vibrex 2000 PN 14990 ...

Page 245: ...Chapter 6 Maintenance Honeywell Confidential Use or disclosure of information on this page is subject to the restrictions on the title page 13841 Rev A 229 ...

Page 246: ...Chapter 6 Maintenance Honeywell Confidential Use or disclosure of information on this page is subject to the restrictions on the title page 13841 Rev A 230 EV2K Plus PN 17480 ...

Page 247: ...Chapter 6 Maintenance Honeywell Confidential Use or disclosure of information on this page is subject to the restrictions on the title page 13841 Rev A 231 ...

Page 248: ...eypad assembly 1 820 13588 02 Shield 1 567 13586 03 Screw 4 40 by 3 8 Phillips trilobular 4 651 4533C 04 Connector end plate silk screened 1 578 13574 05 MS military standard panel jack No 8 4S 2 403 0841 06 Nut 4 40 nylon lock standard 8 652 45NS 07 Screw 4 40 by 3 8 Phillips 16 651 4523 08 Standoff 4 40 1 2 in nylon hex 8 660 3444 09 MS panel connector No 10 6S 2 403 1063 10 Standoff male female...

Page 249: ...7 Snap ring 1 N A 18 Battery end plate PCB 1 501 13735 19 Washer fiber 0 5 in inner diameter 1 0 in outer diameter 1 654 H06N 20 Battery D size cell 4 610 B1D 21 Screw lock 4 40 by 3 8 in 1 651 4505 22 Nut 4 40 Keps standard 1 652 45KS 23 Washer No 4 lock split ring 8 654 4SPA 26 Term ring No 6 red 1 408 3163 F1 Fuse 2a 125V PCB part of battery contact PCB assembly 2 301 10203 U20 EPROM programmed...

Page 250: ...d from the main PCB 14 Be careful not to damage or kink the connector ribbons 7 Remove the four 4 40 screws 03 from the connector end plate 04 8 Remove the main PCB from the chassis by pulling on the connector end plate slowly Pay special attention to feeding the shield 02 through the chassis 01 since it is attached to the main PCB 18 Alternately the user can detach the shield from the main PCB by...

Page 251: ...ents one way and will not fit in place correctly any other way 7 Attach the connector end plate 04 to the chassis with the four 4 40 screws 03 8 Tighten the two screw locks 21 9 Reinstall the batteries 20 two cells for each side Refer to the picture inside the hand grips to determine battery polarity Also see the diagram Section 6 3 7 Complete Unit Disassembly and Section 6 3 1 5 Reinstallation NO...

Page 252: ... stored in the unit s background memory in the form of a log the user may retrieve if desired 6 4 1 1 Printing the Fault Log Use the fault log to troubleshoot the instrument in case of problems The fault log does not display To view this log the user must print it on hard copy Print the fault log by printing the Status screen NOTE If the unit is locked up power down then power up again After the V...

Page 253: ...on the unit and press 0 during the power up test Keep in mind that if you clear the fault log without printing it and clearing doesn t fix the problem there is no data left to help troubleshoot the instrument If you call the Technical Operations Center sending or faxing us a copy of the fault log is most helpful in determining the cause of a problem 6 4 1 3 Failure Modes Basically there are three ...

Page 254: ...ith the tail rotor balance Normally a spectrum examination will reveal this problem 6 4 2 Troubleshooting Guide This section gives a table and helps that explain a variety of general Vibrex unit troubleshooting operations If the needed help is not shown here contact Honeywell Customer Support see Section 1 2 Product Support The user may also refer to the maintenance manual for the subject aircraft...

Page 255: ...in the end plate corroded and or dirty If the terminals on the battery end plate PCB are discolored or corroded clean them with a pencil eraser Battery power too low Install fresh batteries Keyboard ribbon cable loose or offset Remove the shield see Section 6 3 7 2 Disassembly and check the ribbon cable for looseness position and or damage Internal short circuit battery wire pinched Remove the con...

Page 256: ...ll is long enough for installation parameters If low speed RPM is OK but signal is lost as speed is increased make tape wider in beam or photocell RPM fluctuations exceed unit screening Cable bad replace repair cable Unstable Vi be Input Nearby frequency competing with target frequency check Spectrum for nearby peaks Wind causing unstable vibes Move out of variable wind areas like left side of han...

Page 257: ...nnector end plate and carefully inspect internal wires for damage see Section 6 3 7 2 Disassembly Problem Display Too Light Contrast incorrectly adjusted Adjust the contrast by using the two keys to the right of the screen The 12V power short circuited Remove any damaged cables and try again Inspect connectors for visible damage Unit too cold If the unit has been exposed to low temperatures less t...

Page 258: ...3 7 2 Disassembly Internal power connectors offset or damaged Check internal connectors for position looseness and or damage Spring loose and only making intermittent contact Springs in the battery contact PCB assembly must be clean and not excessively loose If there is a problem with looseness the eyelet that holds the spring must be re pressed or the assembly replaced Conductive debris loose in ...

Page 259: ...t for loose debris for example a screw Problem Memory Bad Error Internal short circuit Inspect the unit for loose internal debris Problem Unit Not Retaining Memory Date Time Memory retention capacitor failing Return the unit to the factory for repair Problem No Vibration Signal Wrong channel selected Check to make sure the sensor cable is connected to the correct channel Cable damaged Inspect the ...

Page 260: ...ge Reduce the gap between the interrupter and magnetic pickup Small missing or misaligned retro reflective target photocell Recheck the photocell setup and alignment Use the correct target width Cable damaged Inspect the cable for damage short circuits bent pins and or opens Connector damaged Inspect the connectors for damage and or bent pins Internal connections loose and or damaged Remove the co...

Page 261: ...le Replace it if necessary Printer setup charge Ensure that the printer is correctly set up and powered Problem Strobex Not Flashing Power not attached Check the general Strobex setup Ensure that the external power is attached and on No incoming RPM The Strobex flashes once when the user pulls its trigger Check the incoming RPM transducers and the general setup Damaged connector and or bent pin In...

Page 262: ...alanced but to document it the user may still use the IPS only One can always get a reading on the one per revolution in a spectrum order No 1 0 as long as the Velocimeter is working and the right channel is selected The user may employ the spectrum feature for RPM also Once the spectrum samples the photocell or magnetic pickup it is finished There is very little averaging in the spectrum so the r...

Page 263: ...Chapter 6 Maintenance Honeywell Confidential Use or disclosure of information on this page is subject to the restrictions on the title page 13841 Rev A 247 ...

Page 264: ......

Page 265: ...th Determination The user may determine the optimum photocell tape width for the subject aircraft in the following ways Mathematical formula Simplified table Numerical graph Mathematical Formula Use the following formula to calculate the minimum width of retro reflective tape necessary Minimum tape width 2 0 π Radius Rate 0 0003 Express the answer in inches Use the following values and units with ...

Page 266: ...the following table to look up the minimum width of retro reflective tape necessary Tape Distance From Centera Tape Part No b No of Tape Strips To Use at the Following RPM Ranges 0 to 600 600 to 1500 1500 to 2300 2300 to 3100 3100 to 3800 10 to 20 in 12803 1 1 2 2 3 10444 1 2 3 4 5 3300 3 5 8 10 13 0 to 10 in 12803 1 1 1 1 2 10444 1 1 2 2 3 3300 1 3 5 5 8 a This means the distance of the tape from...

Page 267: ...ntial Use or disclosure of information on this page is subject to the restrictions on the title page 13841 Rev A 251 Numerical Graph Use the following numerical graph to look up the minimum width of retro reflective tape necessary Working Example ...

Page 268: ...rmula as follows Minimum tape width 2 0 x 3 1416 x 5 0 x 2400 60 x 0 0003 0 377 in Using the Table On the table look up values that are less than 10 in and between 2300 and 3100 RPM therefore the user may employ one of the following sets of tape One strip of No 12803 Two strips of No 10444 Five strips of No 3300 Using the Graph Find the tape values on the graph as follows 1 Find the rotational rat...

Page 269: ...Appendix A Photocell Taping Honeywell Confidential Use or disclosure of information on this page is subject to the restrictions on the title page 13841 Rev A 253 ...

Page 270: ...Appendix A Photocell Taping Honeywell Confidential Use or disclosure of information on this page is subject to the restrictions on the title page 13841 Rev A 254 ...

Page 271: ...rted by the Enhanced Vibrex 2000 Plus Helicopter Balance menus Main rotor tracking using the EV2K FasTrak is also supported for these models see Appendix C AIRCRAFT MODEL COMPONENT A 109E Power M R Side Mount Tracker M R Console Mount Tracker Tail Rotor A 119 M R M R CH T R old T R new AS 332 M R Mk1 M R Mk2 T R no De ice T R De ice T R Mk2 Oil Cooler AS 350B M R T R Factory T R C H T R Driveshaft...

Page 272: ... C H T R Driveshaft AS 355 M R T R Factory T R C H T R Driveshaft AS 365 M R Fen 13 bld 5 pt Fen 11 bld 11 pt Fen 11 bld 3 pt Fen 10 bld 5 pt Fen 13 bld 3 pt AW 139 M R T R BK 117 M R M R 2 vertical sensors T R old T R new BL 206B M R 2 Tab M R 1 Tab T R BL 206L M R T R High Alt T R tip and crd wt BL 212 M R T R D S transmission D S engine BL 407 M R Initial M R Flight T R Flywheel Oil cooler Aft ...

Page 273: ...ooler Fwd old Oil cooler Aft new Oil cooler Fwd new BL 427 M R Initial M R Flight T R BO 105 M R M R 1P 2P M R CBS 5 T R EC 120 M R Fenestron EC 130 M R Fenestron T R D S Bg 1 T R D S Bg 5 EC 135 M R Fenestron EC 145 M R 1 vertical sensor M R 2 vertical sensors T R EC 155 M R H M R N Fenestron Enstrom x80 En 280 M R En 480 M R T R MD 500 M R T R 4 bld T R 2 bld M R Hub MD 520N M R NOTAR Fan ...

Page 274: ...disclosure of information on this page is subject to the restrictions on the title page 13841 Rev A 258 AIRCRAFT MODEL COMPONENT M R Hub R 22 M R T R R 44 R 66 M R T R S 61 M R T R 2 plane T R Battery Absorber SW 300 M R T R Impeller UH 1H M R Metal Lat M R Composite T R ...

Page 275: ...Hvr Factory 18900 198882 Hvr 5 09 ticks in A 119 140 Factory 18900 198882 140 KIAS 6 11 deg in AS 332 Gnd Factory 15602 219515 Gnd 29 4 notches in AS 332 Hvr Factory 15602 219515 Hvr 32 86 notches in AS 332 130 Factory 15602 219515 130 KIAS 11 77 deg in AS 350 Gnd Factory 350B B1 355 10690 180000 Gnd 7 57 flats in AS 350 Hvr Factory 10690 180000 Hvr 5 75 flats in AS 350 120 Factory 10690 180000 12...

Page 276: ...945 Gnd 1 811 flats in BL 212 Hvr Factory 14630 267945 Hvr 2 244 flats in BL 212 110 Factory 14630 267945 110 KIAS 1 446 deg in BL 407 63 Factory 11940 164833 63 26 17 flats in BL 407 100 Factry 11940 164833 100 15 91 flats in BL 407 Hvr Factory 11940 164833 Hvr 16 56 flats in BL 407 140 Factory 11940 164833 Vne 140 3 96 deg in BL 427 62 Factory 11278 329660 62 Idle 8 47 flats in BL 427 100 Factor...

Page 277: ... 198822 Gnd 1 83 turns in EC 145 Hvr Factory 11250 198822 Hvr 1 65 turns in EC 145 120 Factory Outboard Tab 11250 198822 120 KIAS 5 23 mm in EC 155 Gnd Factory 12600 165000 Gnd 0 42 turns in EC 155 Hvr Factory 12600 165000 Hvr 0 16 turns in EC 155 100 Factory 12600 165000 100 KIAS 66 86 deg in E 280FX Gnd Factry Enstrom 9750 200000 Gnd 3 8 flats in MD500DE 70 Factry 8040 198822 70 Gnd 3 18 flats i...

Page 278: ... Hvr Factry 10058 200000 Hvr 16 23 flat in R 44 66 120 Factry 10058 200000 120 KIAS 26 1 mils in S 61 Gnd Factory 18900 236037 Gnd 6 01 clicks in S 61 Hvr Factory 18900 236037 Hvr 6 25 clicks in S 61 100 Factory 18900 236037 100 KIAS 4 94 flats in SW 300 Gnd Factory 8179 198822 Gnd 3 8 flats in UH1H C Gnd Factry 14630 263889 Gnd 7 45 flats in UH1H C Hvr Factry 14630 263889 Hvr 3 636 flats in UH1H ...

Page 279: ...BAE 146 Beechcraft 1900D Beechcraft Bonanza Beechcraft King Air Series Canadair CL215 T Canadair CL415 Casa 212 Casa 235 Casa 295 Cessna Caravan II Cessna Conquest Dehavilland Dash 4 Caribou Dehavilland Dash 5 Dehavilland Dash 6 Dehavilland Dash 7 Dehavilland Dash 8 Aircraft Type Dornier 228 Dornier 328 Embraer 120 Embraer Tucano T 27 Lockheed C 130 J only Pilatus PC12 Pilatus PC 6 Pilatus PC 7 Pi...

Page 280: ...bout losing information a session can be continued where you left off in the JOB SELECTION menu GO BACK key Do not be afraid to use the GO BACK key during balance sessions It functions as expected and is especially useful where several screens must be used to make selections and you realize you made a mistake on a previous screen You will be prompted if you attempt to GO BACK past an acquired meas...

Page 281: ...he unit with the ON OFF key will clear out the entire memory including user entered chart coefficients and selections Use this function only as a last resort The main menu REVIEW CLEAR should be used during normal clearing of logs If you do use this function you should always download the Status Log by using the PRINT key inside of the main STATUS menu If the unit software has crashed the Status L...

Page 282: ...ha numeric key A key that enters alphabetical or numeric characters Azimuth A term used to describe an angle An azimuth signal is a timing or tachometer signal measured as frequency for example in Hertz or RPM Change Type For EV2K helicopter balance a type of rotor or component adjustment used affect track and or balance Chart A set of sensitivity and phase angle coefficients used to solve a balan...

Page 283: ...ms a specific operation named on the key for example START or GO BACK The operation of this key does not change Dynamic Describes an object in motion EPROM Erasable programmable read only memory a chip microchip containing operating instructions for the Vibrex 2000 or Vibrex 2000 Plus FFT Describes a fast Fourier transform that is a method used to record vibration spectra digitally An FFT consists...

Page 284: ... For EV2K helicopter balance a helicopter model selected from a predefined factory list A model is specific to a series and or variant in this definition Move line A line connecting two balance points These two points may be two consecutive balance readings with an adjustment in between or two balance points on the same run with a change in power setting for fixed wing applications Phase A term us...

Page 285: ...ute Serial interface Data interface between a personal computer PC and another device for example a printer that allows for communication between the two The cable that connects these devices is called an RS 232 cable When the Vibrex 2000 or Vibrex 2000 Plus connects directly with a printer this link is called a serial interface Velocimeter A Honeywell accelerometer that integrates acceleration in...

Page 286: ...Notes Honeywell Confidential Use or disclosure of information on this page is subject to the restrictions on the title page 13841 Rev A 265 Notes ...

Page 287: ...Notes Honeywell Confidential Use or disclosure of information on this page is subject to the restrictions on the title page 13841 Rev A 271 ...

Page 288: ...Notes Honeywell Confidential Use or disclosure of information on this page is subject to the restrictions on the title page 13841 Rev A 272 ...

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