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ARTEX PRODUCTS / ACR ELECTRONICS, INC

DESCRIPTION, OPERATION, INSTALLATION AND MAINTENANCE MANUAL

C406-2 (453-5000), C406-2HM (453-5001)

570-5000 Rev. U

Company Confidential

25-62-11

Page 57 of 66

6)

Enter the pertinent battery replacement information in the logbook (i.e., aircraft records) and fill out
any other required documentation.

TASK 25-62-11-410-803

9.

Helicopter Installations - Special Considerations

SUBTASK 25-62-11-990-001
A.

Background

1)

There are few guidelines, aside from experience, regarding the best way to mount an ELT in
helicopters.

2)

Before the availability of multi-axis G-switch modules, manufacturers advised installing ELTs with the
sensitive axis pointing approximately 45° downward from the normal forward direction of flight.
a)

This mounting attitude was adapted due to a combination of the directional sensing limitations of
a single-axis G-switch and the flight characteristics of helicopters.

b)

Mounting the ELT in this attitude and orientation is currently specified by CAR, Part 5, Subpart
551.104.

c)

Experience has indicated this mounting angle tends to preload the G-

switch and “nuisance”

activation can occur as a result of severe aircraft maneuvers, and abrupt takeoffs and landings.

3)

ACR Electronics does not recommend installing ELTs designed with a single-axis G-switch in
helicopters due the limitations and issues cited above.

SUBTASK 25-62-11-990-002
B.

Recommendations

1)

ACR Electronics recommends installation of the C406-2HM ELT in helicopters. The C406-2HM ELT is

equipped with a 5-axis G-switch module in addition to the usual primary G-switch, which is oriented
to the direction of flight. See Figure 27.

Figure 27 ELT Orthogonal Axes

2)

The six-axis coverage of the C406-2HM design accommodates the flight characteristics of helicopters,

while allowing

“normal” installation and eliminating or significantly reducing “nuisance” ELT

activations.

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Содержание 453-5000

Страница 1: ...Lauderdale FL 33312 Cage Code 18560 25 62 11 C406 2 Series Emergency Locator Transmitter Description Operation Installation and Maintenance Manual This manual includes data for the equipment that follows Component Part No Model No Emergency Locator Transmitter 453 5000 C406 2 Emergency Locator Transmitter 453 5001 C406 2HM ...

Страница 2: ...rein ACR Electronics is not liable in the event of incidentals special consequential or any other damages in connection with or arising from furnishing performance or use of this manual For further information contact Sales ACR Electronics 5757 Ravenswood Rd Fort Lauderdale FL 33312 Telephone 954 981 3333 AIRWORTHINESS LIMITATIONS The Airworthiness limitations section is FAA approved and specifies...

Страница 3: ...t 18 2000 N ECO 17024 Feb 28 2019 A DCN 1641 Apr 11 2001 P ECO 17212 Feb 7 2020 A DCN 1760 Aug 01 2001 R ECO 17261 Apr 7 2020 A DCN 1965 Apr 04 2002 U ECO 17300 May 28 2020 A DCN 2115 Dec 10 2002 A DCN 2356 Feb 11 2004 A DCN 2527 Jan 20 2005 A DCN 2689 Jan 09 2006 A DCN 2888 Nov 26 2006 B DCN 2968 Mar 20 2007 B DCN 3174 Feb 26 2008 B DCN 3282 Aug 25 2008 C DCA W9414 Apr 06 2010 D ECO 14756 Jul 27 ...

Страница 4: ...SCRIPTION OPERATION INSTALLATION AND MAINTENANCE MANUAL C406 2 453 5000 C406 2HM 453 5001 570 5000 Rev U Company Confidential 25 62 11 Page 4 of 66 SERVICE BULLETIN LIST SERVICE BULLETIN NO ISSUE DATE SUBJECT MANUAL REV NO MANUAL REV DATE ...

Страница 5: ...28 20 41 May 28 20 List of Figures 9 May 28 20 42 May 28 20 Introduction 10 May 28 20 43 May 28 20 11 May 28 20 44 May 28 20 12 May 28 20 45 May 28 20 13 May 28 20 46 May 28 20 14 May 28 20 47 May 28 20 15 May 28 20 48 May 28 20 16 May 28 20 49 May 28 20 Description and Operation 17 May 28 20 50 May 28 20 18 May 28 20 51 May 28 20 19 May 28 20 52 May 28 20 20 May 28 20 53 May 28 20 21 May 28 20 54...

Страница 6: ...A DO 160D Compliance 12 4 Frequency Allocations 13 A Application 13 B Discussion 13 5 List of Acronyms Abbreviations and Definitions 13 6 References 15 A Regulatory Documents 15 B Other Documents 16 DESCRIPTION AND OPERATION 17 1 Description 17 A Functional Overview 17 B Components 18 2 Operation 20 A Operational Overview 20 B Normal Operation 21 C Manual Activation 21 D ELT Reset 21 E Functional ...

Страница 7: ...5e 30 N Current Draw Test Item 5f 31 O Digital Message Verification Item 5g 32 P ELT Reset Check Item 5h 32 Q Installed Transmitter Test Item 6 33 R Antenna Test Item 7 33 S Inspection and Test Documentation Item 8 33 3 Fault Isolation 34 A Self Test Error Troubleshooting Guidelines 34 B ELT Troubleshooting Guidelines 35 REMOVAL 36 1 ELT 36 A ELT Removal 36 2 Battery 37 A Battery Pack Removal 37 3...

Страница 8: ...llation and Test 53 B Harness ELT Receptacle Sealing 54 C Installation Documentation 55 8 Battery Pack Installation 55 A Battery Reinstallation 55 B New Battery Installation 56 9 Helicopter Installations Special Considerations 57 A Background 57 B Recommendations 57 C Orientation 58 APPENDIX A ELT REGISTRATION 59 1 Background Information 59 A Hex ID Code 59 B Reason for Registration 59 C Registrat...

Страница 9: ...6 2 Series ELT Outline and Dimensions 41 Figure 15 Typical Mounting Tray Installation 42 Figure 16 Rod Antenna 110 320 and Blade Antenna 110 328 01 Outlines and Dimensions 44 Figure 17 Blade Antennas 110 333 and 110 337 Outlines and Dimensions 45 Figure 18 Blade Antenna 110 337 11 Outline and Dimensions 46 Figure 19 Remote Switch Outline and Dimensions 46 Figure 20 Buzzer Outline and Dimensions 47...

Страница 10: ...requirements SUBTASK 25 62 11 990 002 B Application 1 This manual constitutes supporting data documentation for the C406 2 Series ELT including a Description and Operation b Test and Fault Isolation includes inspection criteria c Removal d Installation e Registration f Illustrated Parts List 2 In the United States the C406 2 Series ELT must be installed and maintained in accordance with the requir...

Страница 11: ...ed in any of six axes See Figure 1 2 The C406 2HM ELT is identical to the C406 2 ELT in all other aspects Figure 1 ELT Orthogonal Axes TASK 25 62 11 990 803 3 Approvals SUBTASK 25 62 11 990 001 A C406 2 and C406 2HM 1 FAA TSO C126 Type AF a The conditions and tests required for TSO approval of this article are minimum performance standards It is the responsibility of those installing this article ...

Страница 12: ... be installed only if further evaluation by applicant documents an acceptable installation and is approved by the Administrator SUBTASK 25 62 11 990 003 C RTCA DO 160D Compliance 1 DO 160D Environmental Categories C1 BA204XR2828XZAZZ204B28X 2 The DO 160D environmental categories breakdown is detailed in Table 1 CATEGORY SECTION DESCRIPTION C1 4 0 Temperature Altitude 4 5 4 In Flight Loss of Coolin...

Страница 13: ...specific frequency indicated on the ELT product label should be substituted if it differs from 406 025 MHz TASK 25 62 11 990 805 5 List of Acronyms Abbreviations and Definitions SUBTASK 25 62 11 990 001 Term Definition AC Advisory Circular A Federal Aviation Administration USA bulletin with special information For the purposes of this document the acronym AC does not refer to electrical alternatin...

Страница 14: ...r and or major alteration is performed on an aircraft Refer to FAR Part 43 Appendix A and the definitions of Major Repair Alteration contained in FAR Part 1 for guidance FSDO Flight Standards District Office FAA district offices responsible for aircraft certification operation maintenance and modification issues approvals and enforcement G SWITCH A velocity switch that detects sudden de accelerati...

Страница 15: ...an Time GMT and or Zulu time VHF Very High Frequency The 30 MHz to 300 MHz radio frequency band VSWR Voltage Standing Wave Ratio Electrical signals will echo back on a wire if load impedance is not matched to the impedance of the wire VSWR is a measurement of the amount of voltage being echoed compared to the original signal TASK 25 62 11 990 806 6 References SUBTASK 25 62 11 990 001 A Regulatory ...

Страница 16: ...B Software Considerations in Airborne Systems and Equipment Certification c DO 182 Emergency Locator Transmitter ELT Equipment Installation and Performance d DO 183 Minimal Operational Performance Standards for Emergency Locator Transmitters Automatic Fixed ELT AF Automatic Portable ELT AP Automatic Deployable ELT AD Survival ELT S Operating on 121 5 and 243 0 MHz e DO 204 Minimal Operational Perf...

Страница 17: ...huts down automatically The 121 5 243 0 transmitter will continue to operate until the batteries are exhausted which is at least 50 hours 4 The 406 MHz transmitter produces a much more accurate position typically 3 kilometers as compared with 15 to 20 kilometers for 121 5 243 0 MHz transmitters When coupled to the aircraft navigation system via the ELT NAV Interface the accuracy improves to approx...

Страница 18: ...ssembly and its mounting frame assembly are capable of withstanding extremely harsh environments and have been subjected to the rigorous environmental testing required by COSPAS SARSAT for certification Figure 2 C406 2 Series ELT and Mounting Frame Assembly 2 The cockpit mounted remote switch assembly is comprised of an ELT status LED and control switch and allows an operator to manually turn the ...

Страница 19: ...e battery pack for the C406 2 Series ELT consists of four D size lithium manganese dioxide cells connected in series To prevent the cells from being charged diodes are connected across each cell and fuses are connected to the output See Figure 5 Figure 5 Battery Pack Assembly 5 Five dual input antennas are approved for use with the C406 2 Series ELT Selection of the proper antenna is dependent upo...

Страница 20: ...ng rough handling or during shipping 4 When the ELT is activated the presence of the emergency sweep tone and the flashing cockpit remote switch panel LED indicates an active normal functioning ELT The cockpit panel LED must immediately begin to flash continuously upon ELT activation 5 The ELT is considered to be either ACTIVE or INACTIVE When INACTIVE the ELT is in a state of rest and performs no...

Страница 21: ...ively the ELT will automatically activate on impact SUBTASK 25 62 11 870 004 D ELT Reset 1 If the ELT is activated accidentally it will need to be reset 2 Reset the ELT from the cockpit by moving the remote switch to the ON position waiting approximately one second and then moving it back to the ARM position If the switch is already in the ON position move it to the ARM position 3 Reset the ELT lo...

Страница 22: ...tion to TSO C126 FAA Reference 98 130S 108 February 6 1998 CRITERIA PARAMETER CHARACTERISTIC Temperature Storage 55 C to 85 C Operating 20 C to 55 C Mechanical Vibration 10 g 5 Hz to 2 000 Hz Shock 500 g for 4 ms Crashworthiness 100 g for 23 ms Humidity 95 for 50 hours Penetration 55 lbs from 6 in 25 kg from 15 cm Crush 1 000 lbs 454 kg Altitude 55 000 ft 16 764 m Automatic Activation C406 2 Serie...

Страница 23: ...z 0 005 Modulation 406 MHz Bi Phase L G1D 121 5 and 243 0 MHz Amplitude Modulation A3X Transmitter Duty Cycle 406 MHz 440 ms 1 or 520 ms 1 every 50 seconds 5 121 5 and 243 0 MHz Continuous Peak Effective Radiated Power PERP 406 MHz 5 W 37 2 dB PERP or EIRP for 24 hrs 20 to 55 C 121 5 and 243 0 MHz Min 50 mW 17 dBm PERP for 50 hrs 20 to 55 C or 100 mW EIRP 20 dBm for 48 hrs 20 to 55 C Occupied Band...

Страница 24: ...lade Blade Frequencies 121 5 243 0 406 MHz VSWR 121 5 and 243 0 MHz 2 0 1 Max 406 MHz 1 5 1 Max 121 5 243 0 MHz 2 0 1 or better 406 MHz 1 5 1 or better 121 5 243 0 MHz 2 0 1 Max 406 MHz 1 5 1 Max Polarization Vertical Monopole Radiation Pattern 121 5 243 MHz Omnidirectional 406 MHz Hemispherical Impedance ohms 50 Nominal Weight 0 45 lbs 0 20 kg 1 20 lbs 0 54 kg 0 76 lbs 0 34 kg 1 30 lbs 0 59 kg 1 ...

Страница 25: ...cure mounting and improper operation SUBTASK 25 62 11 990 002 B Canada 1 CAR Part VI Standard 625 Appendix C requires the ELT to be inspected at intervals not exceeding 12 months 2 All maintenance and testing shall be performed in accordance with the requirements of CAR Part V Standard 571 Appendix G which requires a Corrosion inspection b Operational testing c Performance testing including 1 Meas...

Страница 26: ... and test requirements listed in Table 5 ITEM NO DESCRIPTION BY 1 Coax Cable and Wiring Connections Inspection 2 ELT Mounting Tray and Hardware Inspection 3 ELT Battery Pack Inspection 4a G Switch Functional Check 4b G Switch Functional Check Helicopter Models Only 5a 121 5 MHz Frequency Measurement 5b Audio Modulation Check 5c 121 5 243 0 MHz Power Output Measurement 5d 406 MHz Frequency Measurem...

Страница 27: ... 25 62 11 220 003 E Battery Pack Inspection Item 3 CAUTION THE BATTERY PACK CONTAINS ELECTROSTATIC DISCHARGE SENSITIVE ESD COMPONENTS AND AS SUCH IT MUST BE HANDLED WITH CARE IF POSSIBLE WEAR A GROUNDED WRIST STRAP WHEN HANDLING THE BATTERY PACK DURING INSPECTION AND MAINTENANCE ACTIVITIES TAKE PARTICULAR CARE TO AVOID TOUCHING THE EXPOSED CIRCUIT BOARD AND CONNECTOR PINS ON THE BOARD CAUTION DO N...

Страница 28: ...ol switch to the ON position and then back to the OFF position SUBTASK 25 62 11 750 002 G G Switch Functional Check Helicopter Models Only Item 4b 1 This procedure outlines the steps required to test the five axis G switch installed in ARTEX Helicopter Model HM ELTs 2 Testing of the primary and five axis G switch can be accomplished by simulating a rapid deceleration in the required direction of t...

Страница 29: ...nt 1 Place the ELT in a container or screen room capable of substantially attenuating RF signals or the transmitter power output shall be connected to a suitable dummy load to minimize radiation 2 Use the ELT s own battery pack as the power source for these measurements An alternate power source can be used where lengthy servicing other than the performance tests is anticipated 3 Ensure that adequ...

Страница 30: ...E TO PROTECT THE INPUT CIRCUITS OF THE MEASURING DEVICE 1 Connect the measuring device referring to SUBTASK 25 62 11 750 003 on page 29 2 Activate the ELT if necessary by placing the control switch in the ON position 3 Wait three minutes 4 Measure the frequency Measure the frequency after the three minute waiting period The frequency must be within the tolerance specified in Table 3 on page 23 NOT...

Страница 31: ... 25 62 11 750 003 ON PAGE 29 1 Verify the ELT control switch is in the OFF position 2 Separate the battery pack from the ELT 3 Disconnect the 2 wire ELT power connector 4 Install test harness 611 0024 or equivalent in the power circuit See Figure 10 Figure 10 Current Draw Test Setup 5 Read the current draw on the ammeter Measured current should be 0 µA micro amps and must not be more than 6 µA 6 V...

Страница 32: ...ure 11 is an ELT programmed for User Protocol ELT with Serial Number with a test Hex ID The right hand example is an ELT programmed for Standard Location Protocol ELT with Serial Number c Actual messages will vary depending on the protocol and information programmed into the ELT d If the ELT is programmed with a location long message protocol and disconnected from the ELT NAV Interface the message...

Страница 33: ...turn off NOTE This test also completes the requirement to check ELT controls by verifying operation of the remote switch 9 Refer to Table 6 on page 35 if the LED displays a series of error code flashes SUBTASK 25 62 11 750 013 R Antenna Test Item 7 CAUTION DO NOT ALLOW THE DURATION OF THIS TEST TO EXCEED 5 SECONDS 1 Tune a low quality AM receiver i e radio to 121 5 MHz NOTE The aircraft transceive...

Страница 34: ...d Repair open jumper 3 Flash Indicates a 406 MHz transmission problem Open or short condition on antenna output or coax cable Verify the coax cable antenna is connected and in good condition Perform continuity check of center conductor and shield Check for a shorted cable Check for intermittent connection in the coax cable Antenna or installation faulty Check with a VSWR meter Check antenna for op...

Страница 35: ...always on steady Improper wiring Verify wiring Short circuit Check for frayed insulation Verify integrity of all crimp and solder connections ELT will not turn off Battery too low to support 406 burst and causes circuit to reset Remove battery pack to disable ELT and replace battery pack Turn off ELT using local switch If ELT turns off Defective remote switch harness reset circuit wiring Check wir...

Страница 36: ...unting frame cap thumbscrews 3 Slide the mounting frame cap back away from the ELT 4 Lift the protective top cover up away from the ELT and set it aside 5 Disconnect the two antenna coax cables from the ELT 6 Disconnect the harness receptacle from the ELT if necessary NOTE The receptacle may disconnect when the mounting frame cap is pulled back 7 Lift the ELT up from the connector end NOTE Careful...

Страница 37: ... CONNECTOR PINS ON THE BOARD CAUTION THE BATTERY PACK IS CONNECTED TO THE ELT VIA SHORT INTERCONNECT HARNESSES WHICH LIMIT THE DISTANCE THE TWO COMPONENTS CAN BE SEPARATED UNTIL THE HARNESSES ARE DISCONNECTED 1 See Figure 13 Figure 13 Battery Pack Removal 2 Turn the ELT upside down such that the battery pack is bottom side up 3 Remove the four retaining screws 4 Lay the ELT on its side while keepi...

Страница 38: ...001 B Return Material Authorization 1 Upon receipt of such notice ACR Electronics will issue a Return Material Authorization RMA number which then authorizes return of the material or equipment to the following address Repair and Overhaul ACR Electronics Inc 5757 Ravenswood Road Fort Lauderdale FL 33312 USA Phone 954 981 3333 Fax 954 983 5087 a Failure to obtain a RMA number and provide the detail...

Страница 39: ...r change in registration information NOAA will provide registrants with proof of registration and change of registration postcards B TSO C126 Paragraph D 1 TSO approval of the ELT does not constitute installation approval All ELT installations are subject to field approval for a given airframe by either an approved FAA DER or FAA FSDO For installations outside the US contact your local civil aviat...

Страница 40: ... from the mounting location 2 DO 182 6 2 2 b recommends that a To maximize the probability of the ELT transmitting a detectable signal after a crash all ELT system components which must survive a crash intact e g transmitter and external antenna should be attached to the airframe in such a manner that the attachment system can support a 100 g load ELT weight x 100 ELT antenna weight x 100 etc appl...

Страница 41: ...TECTED EXPOSURE TO HARSH CHEMICAL FLUIDS SUCH AS DEICING COMPOUNDS THESE TYPES OF CHEMICAL FLUIDS CAN PROMOTE CRACKING AND FRACTURING OF THE ELT MOUNTING FRAME AND HOUSING COMPONENTS BY DEGRADING THE STRUCTURAL INTEGRITY OF THESE COMPONENTS THESE SAME CHEMICAL AGENTS MAY ALSO CAUSE CORROSION OF ELECTRICAL CONNECTIONS 1 Select a suitable location for the ELT mounting tray See Figure 14 Refer to the...

Страница 42: ...ole pattern is also illustrated in Figure 14 on page 41 5 Drill the four mounting holes with a 19 or 4 25 mm drill 6 Install the mounting tray with the 8 32 x 5 8 SS pan head phillips screws flat washers lock washers and nuts provided in the installation kit 455 7421 as shown in Figure 15 on page 42 NOTE The use of substitute mounting hardware is acceptable provided the hardware used meets or exce...

Страница 43: ...tructions and AC 43 13 2 Chapter 3 for antenna installation practices and requirements 1 Install a doubler plate if necessary to meet rigidity requirements A 20 lb 9 1 kg force applied to the antenna in all directions should not cause an appreciable distortion in the aircraft skin 2 Install a ground plane if necessary In certain applications particularly those where antennas are installed on compo...

Страница 44: ...C DESCRIPTION OPERATION INSTALLATION AND MAINTENANCE MANUAL C406 2 453 5000 C406 2HM 453 5001 570 5000 Rev U Company Confidential 25 62 11 Page 44 of 66 Figure 16 Rod Antenna 110 320 and Blade Antenna 110 328 01 Outlines and Dimensions ...

Страница 45: ...NICS INC DESCRIPTION OPERATION INSTALLATION AND MAINTENANCE MANUAL C406 2 453 5000 C406 2HM 453 5001 570 5000 Rev U Company Confidential 25 62 11 Page 45 of 66 Figure 17 Blade Antennas 110 333 and 110 337 Outlines and Dimensions ...

Страница 46: ...re is applicable to the most commonly used remote switch 345 6196 04 If an optional switch is installed in lieu of this one the applicable installation instructions should be consulted 1 Select a suitable location for the remote switch assembly 2 The switch assembly must be mounted in the cockpit where the pilot can easily reach the switch and see the LED 3 The switch assembly requires a space app...

Страница 47: ...ctical TASK 25 62 11 450 804 5 Buzzer SUBTASK 25 62 11 450 001 A Location CAUTION PLACING THE BUZZER IN THE COCKPIT IS NOT RECOMMENDED DUE TO THE POTENTIAL FOR DISTRACTION THE BUZZER PRODUCES A LOUD SIREN TYPE SOUND WHEN THE ELT IS ACTIVATED SINCE THE BUZZER OPERATES IN TANDEM WITH THE COCKPIT LED IT WOULD ONLY SERVE AS A REDUNDANT WARNING INDICATOR IN THE COCKPIT 1 Select a suitable location for ...

Страница 48: ...G DIAGRAM AND PERFORM A CONTINUITY CHECK TO CONFIRM GOOD CONNECTIONS AND PROPER PIN LOCATIONS CAUTION TO PREVENT INADVERTENT ELT ACTIVATION OR POSSIBLE COMPONENT DAMAGE DO NOT CONNECT THE HARNESS TO THE ELT OR COCKPIT REMOTE SWITCH UNTIL ALL POWER AND GROUND WIRING CONNECTIONS ARE COMPLETED 1 The following wiring and grounding considerations and recommendations are applicable a Minimum 22 AWG wire...

Страница 49: ...a Strip approximately 0 15 in 3 mm of insulation from the ends of each of the five cable wires b Dress and tin the bare wires to prevent the strands from fraying during terminal crimping operations 3 Three additional wires are required See Figure 22 on page 50 a Fabricate a ground wire long enough to reach from Pin 11 of the harness ELT receptacle to aircraft ground NOTE This wire will be crimped ...

Страница 50: ...reference b On each of the remaining wire ends at the harness ELT end c The buzzer power and ground wires 6 Crimp appropriately sized ring terminals on the buzzer ends of the buzzer power and ground wires 7 Crimp an appropriately sized ring terminal on the airframe end of the Pin 11 ground wire 8 Crimp an appropriately sized ring terminal on the remote switch power source wire end NOTE If desired ...

Страница 51: ... to each of the wire ends using Molex crimp tool 63811 3300 or an equivalent tool for 0 062 in terminal pins 4 Insert the wiring pins in the harness ELT 151 5012 Molex 12 pin receptacle See Figure 22 on page 50 CAUTION THE ELT WILL NOT AUTOMATICALLY ACTIVATE IF THE JUMPER G SWITCH LOOP IS NOT PROPERLY INSTALLED IN THE HARNESS ELT RECEPTACLE a Insert the jumper ends in Pin 5 and Pin 8 of the recept...

Страница 52: ...train Refer to the aircraft manufacturer s written instructions or as described in AC 43 13 1 Chapter 11 9 through 12 as applicable SUBTASK 25 62 11 450 005 F Antenna Connections 1 Connect the two coax cables to the antenna making sure the cables are routed and supported such that there is no tensile load i e strain on the connections SUBTASK 25 62 11 450 006 G Cockpit Remote Switch Power Connecti...

Страница 53: ... positive terminal 2 Connect the ground wire to the buzzer negative terminal SUBTASK 25 62 11 450 010 K Remote Switch Final Installation 1 Insert the harness plug into the remote switch receptacle 2 Install the remote switch assembly in accordance with SUBTASK 25 62 11 450 002 on page 47 TASK 25 62 11 410 802 7 ELT Installation SUBTASK 25 62 11 410 001 A Installation and Test 1 See Figure 24 Figur...

Страница 54: ...ep 12 is only applicable at initial installation or if the wiring or coax cables have been disturbed 13 Test the ELT installation in accordance with the requirements of SUBTASK 25 62 11 750 012 on page 33 NOTE It is very important the cockpit remote switch LED immediately begins flashing continuously upon ELT activation If the LED fails to start flashing recheck the interface wiring and connection...

Страница 55: ...SK 25 62 11 450 001 A Battery Reinstallation CAUTION THE BATTERY PACK CONTAINS ELECTROSTATIC DISCHARGE SENSITIVE ESD COMPONENTS AND IT MUST BE HANDLED WITH CARE IF POSSIBLE WEAR A GROUNDED WRIST STRAP WHEN HANDLING THE BATTERY PACK DURING INSTALLATION ACTIVITIES TAKE PARTICULAR CARE TO AVOID TOUCHING THE EXPOSED CIRCUIT BOARD AND CONNECTOR PINS ON THE BOARD 1 This subtask applies to reinstallation...

Страница 56: ...e switch to the OFF position after 1 2 seconds If the ELT is working properly the LED will stay on for approximately 1 second and then flash the following expected error codes which should be ignored 1 1 flash and 3 flash errors which are generated because the ELT is not installed and connected to an antenna etc 2 A 5 flash error will be indicated if the ELT is programed with a location protocol a...

Страница 57: ...ons of a single axis G switch and the flight characteristics of helicopters b Mounting the ELT in this attitude and orientation is currently specified by CAR Part 5 Subpart 551 104 c Experience has indicated this mounting angle tends to preload the G switch and nuisance activation can occur as a result of severe aircraft maneuvers and abrupt takeoffs and landings 3 ACR Electronics does not recomme...

Страница 58: ...tudinal axis with the direction of flight arrow on the ELT pointing forward See Figure 28 NOTE This is the orientation of the primary G switch in the ELT 2 The ELT may be angled downward as much as 25 if necessary NOTE Keep in mind the steeper the mounting angle the more pre load on the primary G switch and the increased likelihood of nuisance activations 3 All other installation requirements cont...

Страница 59: ...Address c Telephone number d Aircraft type and registration number SUBTASK 25 62 11 990 003 C Registration Information Resources 1 Refer to COSPAS SARSAT documents G 005 and S 007 for information regarding ELT programming and registration These documents are available at www cospas sarsat org TASK 25 62 11 990 802 2 Registration SUBTASK 25 62 11 990 001 A Responsibility 1 It is the responsibility ...

Страница 60: ...ducts web site at www acrartex com which has links to on line registration sites and also a link to registration forms and instructions for a number of countries b An ELT may also be registered in the United States by going directly to the NOAA ELT registration web site at www beaconregistration noaa gov NOTE NOAA may also be contacted by mail at SARSAT Beacon Registration NSOF E SPO53 1315 East W...

Страница 61: ...ure illustration b Note the item number assigned to the part c Refer to the associated parts list and find the item number in the Fig Item column 2 If the part number is known d Refer to the parts list and find the part in the Part column e Note the figure number and item number assigned to the part f Refer to the illustration in the applicable IPL figure to find attaching hardware and related ass...

Страница 62: ...for each part SUBTASK 25 62 11 990 003 C Nomenclature Column 1 This column contains descriptive nomenclature for each part service bulletin numbers affecting the part and obsolete part numbers 2 The indenture system used in the Nomenclature column indicates the relationship of one part to another as follows 1 2 3 End Item or Major Assembly ATTACHING PARTS Attaching Parts for End Item or Major Asse...

Страница 63: ...is not interchangeable with the item number designated in the notation Supersedes SUPSDS The part replaces and is not interchangeable with the item number designated in the notation Replaced By REPLD BY The part is replaced by and is interchangeable with the item number designated in the notation Replaces REPLS The part replaces and is interchangeable with the item number designated in the notatio...

Страница 64: ...MENCLATURE UPA 28 01 452 3052 Protective Top Cover Assembly 1 02 452 5052 Mounting Frame Cap Assembly 1 03 452 5050 Mounting Tray Assembly 1 ATTACHING PARTS 201 0810 Screw PHP 8 32 x 5 8 SS 4 246 0008 Washer Flat 1 2 SS 8 4 247 0800 Washer Lock Internal Tooth SS 8 4 241 0832 Nut 8 32 x 1 4 Hex SS 4 04 453 5000 C406 2 Main Assembly 1 05 453 5001 C406 2HM Main Assembly 1 591 0999 Label Hex Code 1 59...

Страница 65: ...G ITEM PART 1234 NOMENCLATURE UPA 29 01 345 6196 04 Switch Cockpit Remote 1 ATTACHING PARTS 201 0408 Screw PHP 4 40 x 1 4 SS 4 247 0400 Washer Internal Lock SS 4 4 241 0440 Nut 4 40 x 1 4 Hex SS 4 591 0428 Label ELT Cautionary Use Advisory 1 02 151 5009 Plug 9 Pin 1 151 6628 Terminal Crimp Female 0 062 Dia 9 03 151 5012 Receptacle 12 Pin 1 151 6627 Terminal Crimp Male 0 062 Dia 12 04 130 4004 Buzz...

Страница 66: ...66 of 66 Figure 31 Antennas FIG ITEM PART 1234 NOMENCLATURE UPA 30 01 110 320 Antenna Tri Band Rod Dual Input 1 02 110 328 01 Antenna 406 Blade Dual Input 1 03 110 333 Antenna Tri Band Blade White Dual Input 1 04 110 337 Antenna 406 Blade 319 Dual Input 1 05 110 337 11 Antenna 406 Blade w prt edge 1 611 6013 04 Cable Coax BNC to BNC 6 ft 1 611 6052 Cable Coax TNC to TPS 6 ft 1 ...

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