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3-1

990-HQ Service Manual

CHAPTER 3

Maintenance of the 990-HQ

This chapter describes preventative maintenance steps for

KVAL 990-HQ.

The content is geared

to guide technicians to keep a regular maintenance schedule for your KVAL machine. Keeping
your KVAL machine maintained is an important piece for successful operation of your door pro-
duction process.

Chapter 3 at a Glance

Section Name

Summary

Page

Maintenance Schedule

This section describes maintenance on the
machine. The maintenance is broken into
machine cycle times and describes the sug-
gested maintenance steps to perform.

• 300 Cycles
• 600 Cycles
• 3,000 Cycles
• 12,000 Cycles
• 72,000 Cycles

Tool Changing

Schedule

Describes the suggested time frame to change
the tools in the machine

Lubrication

Requirements

This section describes the lubrication require-
ments for the machine, including types of lube
to use. This section includes:

• Linear Bearings, Flange Bearing, and Pillow
Blocks
• Gear Motor Lubrication Requirements
• Ball Screws
• Description of Air Input
• Adjusting the Air Line Lubricator
• Priming the Air Line Lubricator

Replacing Bits

Procedures on how to change bits on the
machine. Includes ‘Good Practices’, and
Torque values.

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Содержание 990-HQ

Страница 1: ...Innovation Quality Honesty Service Manual Published August 14 2019 990 HQ Pre Hanging Door System 990 HQ Service Manual ...

Страница 2: ...ws CE is a registered trademark of Microsoft Corporation All other products are trademarks or registered trademarks of their respective holders all rights reserved Reference to these products is not intended to imply affiliation with or sponsorship of Kval Incorporated Contacting KVAL Customer Service For further information about this manual or other Kval Incorpo rated products contact the Custom...

Страница 3: ...rience with our product that is the manual the machinery the software etc What was easy or difficult to use or to learn If you could change something about the design what would it be Please email your comments and suggestions for improve ment to userexperience kvalinc com NOTE This is not a customer support email link For that please refer to the Customer Service contact information above Thank y...

Страница 4: ...KVAL 990 HQ Service Manual ...

Страница 5: ... Air Supply 1 11 Start Maintenance 1 11 Post Maintenance Steps 1 11 Zero Energy to Start Up 1 12 Getting Help from KVAL 1 14 On Line Help 1 14 Product Return Procedure 1 14 How to Download the Service Application 1 16 Download Application 1 16 Safety Sign Off Sheet 1 19 A Note to the Operator 1 19 Chapter 2 System IT Administration System IT Administration 2 2 About the 990 HQ Computer 2 2 Connect...

Страница 6: ...3 9 Refill Lubricators 3 9 Grease Ball Screw Bearings 3 10 Clean Bearing Shafts 3 10 12 000 Cycle Maintenance Steps 3 11 Inspect Chains for Proper Tension 3 11 Inspect Air Cylinders 3 11 Inspect Hydraulic Lines 3 11 Inspect Ball Rail Shafts and Ball Screws 3 12 Clean and Lubricate Slides Cylinder Rods and Bearing Shafts 3 12 Clean inside Hopper 3 12 72 000 Cycle Maintenance Steps 3 13 Inspect Nuts...

Страница 7: ... Line Without Lubricator 3 31 Replacing Tooling in the Front Section 3 32 Carriage Tools 3 32 How to Access to Bit Assemblies 3 33 Remove and Replace the Router or Pre Drill Bits 3 33 Remove and Replace the Chisels 3 35 Remove and Replace the Screwdriver Bits 3 35 Replacing Tooling in the Back Section 3 37 Changing the Bore Drill 3 38 Changing the Bolt Drill 3 39 Collet Torque Values 3 40 Appendix...

Страница 8: ...tion 4 14 How the Pneumatic System Works 4 14 Important Notice about Adjusting Cylinder Speed 4 16 Adjusting Cylinder Extend Speed 4 17 Adjusting Cylinder Retraction Speed 4 17 Using Sensors to Trouble Shoot 4 18 Location of Sensors on 990 HQ 4 18 About Switches and Sensors 4 19 Troubleshooting Electrical Problems 4 21 If the Power Stops During Normal Operation 4 21 Troubleshooting with the Status...

Страница 9: ...Notes ...

Страница 10: ... 5 Lockout Tagout IMPORTANT Procedure to Lockout Tagout equipment when it is being serviced page 1 10 Zero Energy to Start Up Procedure to power up your machine for the first time page 1 12 Getting Help from KVAL This section describes the method to contact the KVAL service center for help The section includes how to get information from the specification plate tor provide to KVAL service center h...

Страница 11: ...ds Design features Lock Detailing Includes a servo driven ball screw and programming to automatically position and process one or two cylinder locks during the machine sequence The touch screen panel pro vides multiple standard lock layouts or custom locations from the numeric key pad The lock machining mechanism includes heavy duty drill motors mounted above and below the door to eliminate chippi...

Страница 12: ...o includes management functions such as Daily and Lifetime Totals When connected to the internet the PC allows remote support and monitoring of machine functions from Kval in Petaluma CA Door and jamb clamp reference The door will clamp downwards rather than upwards and the jamb reference will be to jamb stop top of H block not staging block for jamb edge This pro vides a consistent dimension betw...

Страница 13: ...ty Information Chapter 2 Operation Interface Descriptions of how to power machine line and operator interface user screens Chapter 3 Calibration Description of the Calibration routines Chapter Title Description Chapter 1 System IT Brief description of Computer and PLC in the Machine Chapter 2 Maintenance Maintenance steps for the machine line Chapter 3 Trouble Shooting Troubleshooting tips and the...

Страница 14: ...Labels In addition to the nameplate KVAL machines may have other warning labels or decals that pro vide safety information to operators Safety labels should be clearly visible to the operator and must be replaced if missing damaged or illegible There are three types of warning labels or decals DANGER means if the danger is not avoided it will cause death or serious injury WARNING means if the warn...

Страница 15: ...hine is at zero state Never clean the machine while it is running Never walk away from the machine while it is running When the Machine is ON The compressed air system connected to this machine should have a three way air valve for shut off and pressure relief All cylinders on machine are under high pressure and can be very dangerous when activated Before performing any mainte nance or repairs on ...

Страница 16: ...g any repairs or mainte nance lockout and tagout must be installed at all locations All maintenance and repairs to electrical circuitry should only be per formed by a qualified electrician Still has power in OFF position Electrical Prior to performing any maintenance repairs cleaning or when clearing jammed debris you must disconnect tag out or lock out the electrical and air pressure systems This...

Страница 17: ...his machine is in violation of any health or safety regulation STOP pro duction It is your responsibility to immediately protect your employees against any such hazard Additional detailed safety guidelines are included in the operating instructions of this manual KVAL will be pleased to review with you any questions you may have regarding the safe operation of this machine Follow Your Company s Sa...

Страница 18: ...tag on each disconnect Only each operator may remove their own lock and tag Important When many people are all working on the same machine you will need a multiple lockout device such as the one shown here Follow the P R O P E R lockout rule of thumb P Process shutdown R Recognize energy type electrical pneumatic mechanical etc O OFF Shut off all power sources and isolating devices P Place lock an...

Страница 19: ...ng tension weight shifts etc 2 Inform all affected personnel of the eminent shutdown and the duration of the shutdown 3 Obtain locks keys and tags from your employer s lockout center Lockout Tagout Power 4 Turn off machine See Chapter 2 for power down and power up procedures 5 Turn the disconnect switches on ALL electrical and frequency panels to the OFF position Then push the red tab to pop it ou...

Страница 20: ...or repairs may started Post Maintenance Steps 9 After maintenance is completed the person performing the work must ensure all tools spare parts test equipment etc are completely removed and that all guards and safety devices are installed 10 Before removing the locks and tags the person who attached them shall inspect the equipment to ensure that the machine will not be put in an unsafe condition ...

Страница 21: ...en energy is restored Remove Locks Each operator must remove his or her own lock and tag This will ensure that all oper ators are in a safe place when the equipment is started Perform Visual Checks If the equipment is too large to see all around it station personnel around the area and sound the personnel alarm before starting the equipment If your operation is more complex your company s comprehe...

Страница 22: ... to your lock Proper lockout tagout can save lives limbs and money Help make your work environment safe for you and your fellow workers Be sure to follow the P R O P E R lockout tagout procedures and that those around you do also Close the Cage Gate Verify all cage gates are securely closed Ensure all safety protocols are in effect ...

Страница 23: ...rsday 6 30 AM to 1 30 PM Pacific Standard Time Friday On Line Help On machines with a Beckhoff PLC and an internet connection our service team are able to con nect run and troubleshoot your machine Ask about this procedure when calling are service team Product Return Procedure If you ve contacted Kval for help and it is determined that a return is necessary use the procedure below to return the ma...

Страница 24: ...fied and how With what equipment is the unit interfaced What was the application What was the system environment temperature spacing contaminants etc 3 Call Kval customer support for a Return Material Authorization RMA When you call Have the packing slip or invoice numbers available Have the documented reason for return available 4 Send the merchandise back to Kval Make sure the item s you are ret...

Страница 25: ...At the KVAL website select the Support tab Follow the instruc tions on the Support web page 3 Click the Download button to download the application that allows the KVAL technician to have access to the operator sta tion 4 After the download is com pleted double click the program icon Note Web browsers have different methods of downloading programs Below are samples of i e Explorer and Google web b...

Страница 26: ...ame Field Enter your name The KVAL techni cian will use this field to identify this machine Description Enter machine Serial number and issue Indicator Green indicates there is a good connection to the service center If red there could be an issue with a LAN connection Check the connections in the plant 7 After the KVAL Support App is loaded and completed call the KVAL service center 1 800 553 582...

Страница 27: ...How to Download the Service Application 1 18 990 HQ Service Manual Page Intentionally Left Blank ...

Страница 28: ...ow my company s safety procedures I have read and understand these guidelines Machine Safety Concerns I have been given a tour of the machine and understand all the safety labels E Stops and the actions to take in case of an emergency I will make sure all guards are in place before operation I will turn off the compressed air before loading hardware staples screws etc I will turn off the electrica...

Страница 29: ...Safety Sign Off Sheet 1 20 990 HQ Service Manual ...

Страница 30: ...e With the controller KVAL can remotely help troubleshoot your machine Chapter 2 at a Glance Section Name Summary Page IT Administration This chapter describes the basic parts of the operation of the PLC in the machine Such as About the PLC Connections on the PLC Backing up the Computer About Remote Connection to KVAL Service page 2 2 Network System Overview Describes servo drive and Node Location...

Страница 31: ...he module also contains internal main memory The computer has a removable Compact Flash card from which it boots The controller uses a Windows 7 oper ating system with TwinCAT 2 automation software to create the PLC and Motion Control method Interface modules include A smart power supply to connect to EtherCat terminals This supply contains a LCD to display system and user messages A DVI USB modul...

Страница 32: ... occur contact our service team at 800 553 5825 or at www kvalinc com About Remote Connection to KVAL Service Remote access is a powerful tool to help fix issues that occur with the 990 HQ machine With the remote access our KVAL service technician is able to observe your user screen in real time read and adjust programming code For 990 HQ access a separate computer must have Beckhoff software inst...

Страница 33: ...The PLC is located in the Main Electrical Panel From the PLC connections are made to coupler interfaces located near the sec tions they control See your machine s schematic package for detailed wiring information Tip Lights should be blinking at these locations If no light is observed there could be a bad wire or component The next sections has general information on locations of the nodes on the ...

Страница 34: ...iled wiring information see your machine s electrical drawings 24 VDC Input Ether CAT Output Ether CAT Input From PLC High Voltage Input Servo Drive 1 2 High Voltage Outputs Servo Drive 2 2 High Voltage Outputs Servo Drive 3 2 High Voltage Outputs Servo Drive 4 2 High Voltage Outputs Servo Drive 5 2 High Voltage Outputs FIGURE 2 3 Servo Drives ...

Страница 35: ... In summary this node contains inputs and outputs for VFD s the OK for hinge and plate routers hinge P2P and door width outputs to the stacker For detailed wiring information see your machine s electrical drawings Coupler PLC Inter face 4 7 2 1 6 5 8 3 Inputs Outputs Ether CAT Output To E Stop Circuitry Ether CAT Input From Frame Node FIGURE 2 4 High Frequency Node ...

Страница 36: ... control of door through machine For detailed wiring information see your machine s electrical drawings Back Section Node The Back Section Node is located on the back section of the machine This node includes back section related inputs and outputs including back section servos face plate boring and door widths For detailed wiring information see your machine s electrical draw ings 24 VDC PS 1 and...

Страница 37: ... Six Shooter assembies The nodes include Six Shooter Hop per and Screw Driver related inputs and outputs For general information refer to Figure 2 6 For detailed wiring information see your machine s electri cal drawings Screw Driver Node 1 Screw Driver Node 2 Screw Driver Node 3 Outputs 1 1 2 1 2 3 3 2 Inputs FIGURE 2 6 Screw Driver Nodes ...

Страница 38: ...Network System Overview 2 9 990 HQ Service Manual ...

Страница 39: ...ine cycle times and describes the sug gested maintenance steps to perform 300 Cycles 600 Cycles 3 000 Cycles 12 000 Cycles 72 000 Cycles page 3 2 Tool Changing Schedule Describes the suggested time frame to change the tools in the machine page 3 15 Lubrication Requirements This section describes the lubrication require ments for the machine including types of lube to use This section includes Line...

Страница 40: ...performing any maintenance repairs cleaning or when clearing jammed debris you must disconnect tagout or lockout the electrical and air pressure systems This should be done in accor dance with applicable state and or federal code requirements To view a video of the maintenance process visit the KVAL website Select the Video Tab to view videos http www kvalinc com 300 Cycles Clean Use pressured air...

Страница 41: ...ing shafts with clean dry cloth 12 000 Cycles Inspect Inspect chains for proper tension or damage Inspect Inspect all air cylinders for air leaks Replace if seal is leaking Inspect Inspect hydraulic lines for loose fittings leaks and cracks Inspect Inspect ball rail shafts for pitting or abrasions Lubricate Clean and lubricate all slides and cylinder rods with dry silicone spray Lubricate Lubricat...

Страница 42: ...chine Use pressured air to blow off dust and debris on entire machine Use a clean rag to clean areas not affected by pressurized air Also blow out any dust collection units Check vertical bearings for loose screws Loose screws could cause bearing damage Front Section Underneath Carriage Heads Jamb Clamp area High Dust Accumulation Areas Lock Bore Area build up can occur and stop Bolt drill from ex...

Страница 43: ...SI located on the label Adjust only if Trained in Maintenance Inspect Air Filter Water Traps Empty trap if necessary Slide locking switch down to unlock twist trap to remove Reverse action when installing trap Inspect Tooling Inspect the Tooling for wear Drill Bits Cutting Tools Screw Driver Bits See Replacing Tooling in the Front Section on page 3 32 and see Replacing Tooling in the Back Section ...

Страница 44: ...the input to the screw drop hoses Provides an easier screw drop Do not over spray oil Empty Dust Collection Units Check and empty any dust collection units Clean any dust filters Dust collection systems vary from machine to machine Follow manufacturers directions to empty dust collection units Filters Dust Collection Containers FIGURE 3 7 Typical Dust Collection Unit ...

Страница 45: ...r looseness A rule of thumb is to pull belt if belt moves too freely then replace belt Belts can become slick from use lesson ing traction on door Check belts for slickness or door slippage Inspect Screw Drop Tubes on Six Shooter Inspect screw drop tubes for kinks cracks wear from rubbing Ensure tube clamps are tight Inspect all Photo Eyes Inspect all photo eyes secure and tight Check Connection t...

Страница 46: ...ound when moved to the extreme Note Depending on the model of limit switch the amount of pre travel amount of movement from the arms resting position is either 5 or 20 degrees before the limit switch actuates Inspect Screw Receiver Parts Inspect screw receiver parts on six shooters for cracks or breaks Inspect 1 Screw Receiver 2 Spring 3 Split Shell 4 Steel Ring 5 Rubber Ring 6 Steel Ring Replace ...

Страница 47: ...m blies air valves and hoses Check from source to end assembly Check Hoses for kinks and rubbing manifold connections and Air Cylinder connections Refill Lubricators Ensure Air is turned off Refill all lubricators Replace fluid if milky or discolored Use ab ISO 32 stan dard hydraulic oil KVAL PN SYS LUBEG Slide locking switch down twist bowl and remove Refill bowl Reverse action when installing tr...

Страница 48: ...Grease Ball Screw Bearings Grease ball screw bearings if applicable For a table of lubrication types to use Lubrication Schedule Clean Bearing Shafts Clean all bearing shafts with clean dry cloth Spray shaft with silicone oil and clean build up grime and dirt ...

Страница 49: ...r time of use Check for chain stiffness Stiff chains do not provide a tight fit over the gears Inspect Air Cylinders Inspect all air cylinders for air leaks Replace the cylinder if seal is leaking Symptoms include a cylinder not extracting or retracting to the limits Cylinders not holding their position Inspect Hydraulic Lines Inspect hydraulic lines for loose fittings leaks and cracks Inspect hyd...

Страница 50: ... a Pitted Ball Rail Inspect ball screws for pitting or abrasions Example of a Pitted Ball Screw Clean and Lubricate Slides Cylinder Rods and Bearing Shafts Clean and lubricate all slides and cylinder rods with dry silicone spray Clean inside Hopper Clean inside hopper with dry sili cone oil and a 3M ScotchBrite pad or equivalent Wipe dry with a clean dry rag ...

Страница 51: ...onnections in each node box and electrical panel Wires may become loose due to vibration Check contactors for wear Computer Backup Backups keep your data archived in case of a rare system crash Click the Back Up Icon Backup Bat on the Desktop to back up your data The data is stored in a backup folder C 00 Backup in your Windows directory It is recommended to set up a back up schedule to save your ...

Страница 52: ...e Manual Wash Filter and Lubricator Bowls Wash filter and lubricator bowls with soapy water Slide lock down to unlock Twist bowl to remove it Remove filter from Air filter assembly Inspect and clean or replace if necessary Clean bowls and reas semble ...

Страница 53: ...d be done in accor dance with applicable state and or federal code requirements Hinge Router and Pre Drill Tooling Hinge Router Bit 1500 cycles Chisels Inserts 1500 cycles Chip Out Block 10 000 20 000 cycles 9 64 Pre Drill Bit 10 000 20 000 cycles 1 8 Pre Drill Bit 10 000 20 000 cycles Lock Section Tooling Face Plate Router Bit 2 500 cycles 2 1 8 Face Bore Bit 2 500 cycles 2 1 8 Face Bore Bit Inse...

Страница 54: ...nditions are changed timing accuracy or damage may occur during the machine process Do not adjust air PSI above or below factory settings Do not adjust any and all flow controls from factory settings Do not remove shim stock Do not Change or Alter any safety assemblies E Stops Gate Locks etc Do not Change programs in PLC s or PC s Do not Alter Electrical Components ...

Страница 55: ... Bearing Ball Screw Every 80 Hours of Machine Operation Idler Shafts Pulley Monthly Tapered Bearing One Pump 4 Times a Year Air Line Lubricator One drop of oil every 2 or 3 cycles Check the lines every week to two weeks Note Some CNC Machines drop every 5 10 cycles Either lubricant listed below is approved to use KVAL P N SYSLUBG Chevron AW Hydraulic Oil 32 G C lubricants light AW R O Mobile DTE 2...

Страница 56: ...of the fitting so that it can be wiped clean to reduce the amount of debris carried with the grease into the bearing Note Bearings without grease fittings have been pre lubri cated at the factory and do not require further lubrica tion Note Clean excess grease to avoid contact with feed belts clamping areas or the door Zerk Fitting Pillow Block Bearing Housings A pillow block is any mounted bearin...

Страница 57: ...able operation Greasing Flange Bearing Bearing Housings Approximatively 1 Gram one pump from grease gun of Dura Lith Grease KVAL P N Lube EP 2 Every 250 hours of operation Lip FIGURE 3 9 Flange Bearings Ball Rail Bearing Ball Rail Bearings are linear bearings that are attached to positioning rails In most cases the bear ings are attached to assemblies to move them in the X Y or Z direction Greasin...

Страница 58: ...set that the bearing blocks often require no maintenance for the life of the machine Greasing Recommend One Pump a Year Cross Section of Tapered Bearing Tapered Bearing FIGURE 3 11 Sample of Tapered Bearing Tapered Bearing Housings The taper bearings differ from other machine bearing assemblies in that they are in a sealed envi ronment To identify a Tapered Bearing Housing look at the enclosure an...

Страница 59: ...e gun of Dura Lith Grease KVAL P N Lube EP 2 Every 80 hours of operation Ball Screw Nut Housing Ball Screw Drive Greasing Ball Screw Nut FIGURE 3 13 Example of a Typical Ball Nut Ball Screw Drive Assembly Including the Ball Screw Nut other types of bearings may be included on the assembly The figure below shows a typical Ball Screw Drive Assembly Servo Motor Tapered Bearing Housing Recommend One P...

Страница 60: ... an idler shaft that has a zerk fitting to apply grease An opening in the idler shaft dispenses grease to the inner diameter of the pulley Pulley in Action Breakout of Pulley Assembly Grease IN Grease Out Note It is important not to overfill the Idler Shaft Avoid getting excess grease on the belts Idler Shaft Approximatively 1 Gram one pump from grease gun of Dura Lith Grease KVAL P N Lube EP 2 Mo...

Страница 61: ...icing this machine fol low the safety guidelines Failure to do so can result in damage to equipment and or serious injury to person nel Shutdown the machine and follow the Lock Out Tag Out procedures Caution Feed System Lube Points Use Lube EP2 or similar to Lubri cate Chains Lubricate feed system hex shaft with Silicon Spray FIGURE 3 15 Feed System Lubrication Points ...

Страница 62: ...The figure below shows location of the servo motor assemblies Grease according to intervals described in See Lubrication Schedule on page 3 17 Some Bearings are layered under plates Use a Needle adapter to get to hard accesses bearings X4 X4 X3 X1 X1 FIGURE 3 16 Screw Drive Lubrication Points ...

Страница 63: ...t before maintenance For rec ommended greasing schedule see Lubrication Schedule on page 3 17 Each Tool assembly includes 2 Pillow Block bear ings aligned in the Z axis toward the door The Tool Carriage includes 8 pillow block bearings 4 in the X axis 4 in the Z axis The Carriage Head includes 8 pillow block bearings 4 in the X axis 4 in the Y axis ...

Страница 64: ...0 HQ Service Manual Back Section Lubrication Points Use an extender to reach tight areas Make sure to Lockout Tagout before maintenance For rec ommended greasing schedule see Lubrication Schedule on page 3 17 FIGURE 3 17 Bearings Back Section ...

Страница 65: ...Lubrication Points on the 990 HQ 3 27 990 HQ Service Manual FIGURE 3 18 Bearings Back Section ...

Страница 66: ... lock carriage Lock Section Servo Motor Carriage Servo Motors Door Jamb Stop Servo Motors Hinge Shift 3 Servo Motor Hinge Shift 1 Servo Motors Screw Shift 1 Servo Motors Screw Shift 2 and 3 Servo Motors Front Section Servo Assemblies Identify zerk fittings and apply EP 2 grease Find the X Y and Z axis rails to identify bearings Some bearings may be difficult to get access to Use an extender to rea...

Страница 67: ...access to the bearings the Hinge Covers will have to be removed Tapered Bearing Housing Pillow Block Hub Style Ball Screw Nut ServoMotor Z Axis Servo Motor Y Axis Tapered Bearing Housing Servo Motor X Axis Tapered Bearing Housing Ball Screw FIGURE 3 19 Front View of 990 HQ ...

Страница 68: ...rs the lubricated air to valve banks and air cylinders Shop Air Input Air On Off Knob Muffler Filter purge Pressure Gauge with adjust Clean Dry Air CDA to Air Blow Off Lubricator Lubricated Air Output FIGURE 3 20 Typical Air Line Filter and Lubrication System Adjusting the Air Line Lubricator Using the knob on the top of the lubricator adjust until one drop per every other cycle is used as observe...

Страница 69: ...ony 32 To prime the lubricator find an air line on the carriage section of the machine that is energized and disconnect it allowing the air stream to bleed air pressure away from any persons Direct the air stream at the machine so you can see when there is an oily film blowing out of the air hose Repeat this same procedure for the back section and other trouble areas It is recommended to check the...

Страница 70: ...re to do so can result in damage to equipment and or serious injury to person nel Caution Carriage Tools This section describes the steps to change the pre drill bits router bits and chisels in the heads on the front section shows the locations of the replaceable parts inside the heads Drill Motor Chisels Upper and Lower Right Router Motor Chisels Upper and Lower Left CCW Router Motor FIGURE 3 22 ...

Страница 71: ...blies Remove and Replace the Router or Pre Drill Bits Caution Before performing this process turn off all power to the machine Follow proper lockout tagout procedures as detailed in the safety section of Chapter 1 of this manual 1 Use a 17 mm shaft wrench and a 3 8 collet wrench to remove the bit on the pre drill or router assemblies See Figure below 2 Inspect and clean collet assembly 3 8 Collet ...

Страница 72: ...let assembly adjust the bit depth Set the router bit to 1 3 4 and the drill bit to 2 0 from the base of the collet nut to the tip of the bit If available use Bit Depth Gauge PN 432 C to set the depth 6 Lightly tighten and torque to correct value For torque values See Collet Torque Values on page 3 40 Drill Depth Set to 2 0 Router Depth Set to 1 3 4 1 3 4 2 0 Bit Depth Gauge PN432C FIGURE 3 25 Sett...

Страница 73: ...e orientation of the chisel FIGURE 3 26 Replacing the Chisels 5 Slide in the new chisels 6 Tighten bolts back and forth until the bracket is tight 7 Inspect and verify the work Clean the work area 8 If maintenance is completed replace dust cover and tighten bolts Remove and Replace the Screwdriver Bits To replace screwdriver bits on the Six Shooter heads follow the instructions below 1 Turn off al...

Страница 74: ... images back toward the Six Shooter assembly and hold pull bit out of holder Remove Driver Bits Bit Holder Lock Bit Slide Bit Holder lock Back Slide Bit Out 7 To insert screwdriver bit push bit holder back toward Six Shooter assembly and hold while inserting new bit Release holder to secure bit 8 Move Six Shooter assembly back toward machine and pull the back slide toward you then move assembly aw...

Страница 75: ...ine fol low all safety guidelines Failure to do so can result in damage to equipment and or serious injury to person nel Caution Follow the instructions in this section to change the bits on th Bore Drill Bolt Drill and the Face Plate Router Lock Bore Motor and Drill Drills locks holes on the face of the door Bolt Drill Motor Machines Hole for Bolt Face Plate Motor and Drill Routs face plate ...

Страница 76: ...may tighten up crack again and con tinue 3 Inspect and clean collet assembly 4 Insert the new bit into the assem bly 5 Before tightening the collet assembly adjust the bit depth Bottom out the bit and pull the bit up about 1 4 6 Lightly tighten and torque to correct value For torque values see Collet Torque Values on page 3 40 Note Make sure the arbor is not bottomed out in the back of the motor I...

Страница 77: ...the collet it may tighten up crack again and continue 2 Inspect and clean collet assembly 3 Insert the new bit into the assembly 4 Before tightening the collet assembly adjust the bit depth Bottom out the bit and pull the bit up about 1 4 5 Lightly tighten and torque to correct value For torque values see Collet Torque Val ues on page 3 40 Note Make sure the arbor is not bottomed out in the back o...

Страница 78: ...e Values 3 40 990 HQ Service Manual Collet Torque Values KVAL recommends torquing the collets Torquing adds consistency is important for repeatable machining Follow the torque tool manufacturers method of torquing ...

Страница 79: ...Collet Torque Values 3 41 990 HQ Service Manual ...

Страница 80: ...Appendix Conversion Chart 3 42 990 HQ Service Manual Appendix Conversion Chart ...

Страница 81: ...Appendix Conversion Chart 3 43 990 HQ Service Manual ...

Страница 82: ...tion Control This section contains basic information on the operation of motion control circuits Includes diagrams of the control circuits page 4 2 Troubleshooting Basics This section includes basic troubleshooting information Includes analyzing sub s to desig nate a starting point for troubleshooting page 4 4 About Contactor Control Describes a typical contactor control circuit page 4 7 About VFD...

Страница 83: ...d from one fixed position to another fixed position at a constant speed and along one line axis X Y or Z A typical point to point would be a drill with a fixed depth The drill is either retracted or extended using a pneumatic cylinder Typically the drill s travel is limited by physical stops Incremental Incremental motion control is used when the load is required to be moved with high accuracy to ...

Страница 84: ...ranslates entered information into a form the positioning system can understand Listens to the machine s other subsystems waiting for the OK to move command Sends the positioning instructions to the positioning system Listens to the positioning system for position status if there is a feedback loop Tells the machine s other subsystems when the move process is completed Examples A PLC or a dedicate...

Страница 85: ... specification Note See Table 4 1 on page 5 for sequence and subsystem information Verify Verify or analyze the subsystem assembly that is responsible for the issue For example How is the subsystem supposed to work What is keeping the subsystem from working Note See Analyze the Sub Systems on page 4 5 for information on verifying and analyzing subsystems Before you Adjust Sometimes simple problems...

Страница 86: ...ition ing Cutter Power 4 Unclamp the Door Door Clamp 5 Move Door Out Feed System Basic Troubleshooting Steps Determine Where The Sequence Step Where the Failure Occurs What was the Machine Trying to Do What Was the Machine Trying to Do Next Check the Sequences in the Table Below How is the Broken Section Suppose to Work What is Keeping the Broken Section From Working What Part of the Machine is no...

Страница 87: ...vated input is lit Some touch screens have inputs status also 3 Common Position Feedback failures Photo Eye a Bad element or bad cable b Eyes not set to correct height c Lighting from ceiling may be interfering with sensor Limit Switch Stuck or failure Wiring Broken worn insulation PLC Bad input port Bad Output Relay may be stuck Air Solenoid Valve May be stuck or not working 4 Check the Positioni...

Страница 88: ...ay cause personnel injury or death Troubleshooting checks must be performed by a Qualified Electrical Technician PLC Output Fuse s Line Voltage Power Contactor Control Coil Input Power Input Power Output Control Circuit Common ON Should measure Control Voltage 120 VAC here Should measure Line Voltage here Should measure Line Voltage here Line Voltage here Should measure Relay 120 VAC DC Should mea...

Страница 89: ... trigger to check the circuit See Troubleshooting with the Status Light Panel on page 4 23 1 Open the Main Electrical Cabinet to find the Contactor Thermal Overload Assem bly 2 Press each Green Reset button on the Thermal Overload An audible click will be heard on the tripped circuit Take note of tripped circuit 3 Once the overloads are reset verify LED s are on 4 Rerun the machine and verify that...

Страница 90: ...ing checks must be performed by a Qualified Electrical Technician Common Motor Drive Control PLC Output Fuse s Line Voltage Motor Power Motor Power Input Output Power Control Circuit Common ON Measure Control Voltage 24 VDC here Measure Line Voltage here Measure Line Voltage here ON Drive STF Forward RL STR Revers 2 SD COMMON OFF OFF OFF Run 300 Run Light should be ON Displays the Motor Frequency ...

Страница 91: ...agram see Figure 4 4 on page 4 9 VFD models vary in KVAL machines depending on where it is used voltage requirements and type of PLC used This is a general view on the VFD See the machine s Electrical Print for detailed information Line Voltage IN Converted Signal OUT to Motor Operation Panel Access to manual operation VFD This panel can be used for trouble shooting purposes Fault Errors will be d...

Страница 92: ...it To reset a VFD 1 Push lighted button to reset the indicated motor b If the button light turns off continue with production c If the button stays lit identify the motor by way of the label on the button turn off that function at the switch panel Check the corresponding output on the PLC output If the output is on it will not let the motor reset Dis connect the output wire and verify that the mot...

Страница 93: ...Air Cylinder Common Control Circuit ON Measure 24 VDC here Control Voltage Should have High Pressure air here Cylinder Control Control Coil Input Air Input Air Output Valve Should have High Pressure air on Activated Output Schematic Drawing of Pneumatic Circuit Note Pre 2006 machines may not contain the 24 Volt relay 120 Vac is directly fed into the Control Coil Check the input circuitry to the Co...

Страница 94: ... 24V from PLC to open a port FIGURE4 8 Typical Pneumatic Assembly About the Coil Solenoid The Solenoids are connected to the top of the manifold Labels indicating their function and PLC connections are attached to the solenoid body Use this information to troubleshoot system if nec essary Solenoid type will vary with machine application Common controls include an operational LED and Manual operati...

Страница 95: ...livered to port B FIGURE4 10 Cross section of Air Cylinder How the Pneumatic System Works The Pneumatic system consists of a brain PLC an action Positioning System and a result Moving the Load For a generalized representative this section describes the process to move a router to the extend and the retract position with a double valve Extend Process If PLC determines the conditions are right to ex...

Страница 96: ...pplied Router Assembly Load Position Feed Back Air In Control Valve Extend Sen sor Acti vated Air Pressure Extends Cyl inder and Router Assem bly EXTENDED Retract Process If the PLC determines the conditions are right to retract the Router 1 The Control Valve directs compressed air to the retract port of the Cylinder 2 The Cylinder and Router retract deactivating the Extend Sensor 3 When the Cylin...

Страница 97: ...ice about Adjusting Cylinder Speed Do not adjust the cylinders to speed up production The air cylinder timing is part of a well tuned system of electronics programming and mechanics Adjustment of the cylinders for speed can cause unsatisfactory results in feed and out feed problems far marks in the corners of hinge pockets and flipping screws in Hoppers However sometimes machine settling mechanics...

Страница 98: ...90 HQ Service Manual Adjusting Cylinder Extend Speed Adjusting Cylinder Retraction Speed Tip If Installing a new flow control assembly shut down the flow control and back out 4 to 5 turns this position is a good starting point for kine adjust ...

Страница 99: ...in inactive mode The voltage should effec tively equal 24 VDC The distance from an eye to the door should be in range Typically the range should be 3 4 to 7 8 from the top of all eyes to the door Location of Sensors on 990 HQ Location and operation of sensors can be viewed by way of the Status Screen See Chapter 2 of the Operation Manual for more information about the Diagnostics and Status screen...

Страница 100: ... 0VDC is sent to the PLC As a result any of the photo detectors output equals 0VDC when a door is sensed Some detectors have an emitter and receiver built in one unit such as an in feed sensor where a door blocks the light and reflects back to the unit Some detectors have an emitter and receiver built in separate units such as the through beam sensor set at a distance from each other If an assembl...

Страница 101: ...switch arm Depending on the model of limit switch the amount of pre travel amount of movement from the arms resting position is either 5 or 20 degrees before the limit switch actuates Clicks Switch Arm About Switches and Sensors 4 20 990 HQ Service Manual ...

Страница 102: ...have signals on the computer that light up when the input or out put functions are energized respectively Computer controlled as well as non computer controlled machines have white 120V control power terminal strips This will indicate power supply from the respective circuits PLC controllers also have lights on them for the input and output functions You can easily find out which circuits are fail...

Страница 103: ... for Tripped Circuits 1 Remove lock and tag outs on the main power sources 2 Manually close disconnect sensors and energize the control circuit or transformer with its respective sensor Check the Status Light Panel If all lights are observed there are no overloads or emergency stops tripped Note Most electrical problems are related to mechanical malfunction e g stuck motors jammed chain blocked ph...

Страница 104: ...r 2 Overload Relay Amber 3 E Stop Amber 4 Stop Amber 5 Start Amber 6 24VDC Green If one or more lights are OFF follow the process below to isolate the cause NOTE Be sure to proceed down the table starting with the CONTROL POWER light STEP 1 Control Power Amber If light is OFF go to item A on page 4 24 STEP 2 Overload Relay Amber If light is OFF go to item B on page 4 25 STEP 3 E Stop Amber If ligh...

Страница 105: ...o the 120 VAC Terminal Strip 7 If there is no power between 1 and 2 check the secondary side of the trans former a Check between X1 and X2 If no power is measured it is a bad transformer b If there is power at X1 and X2 check the other side of the fuse If now power replace the fuse 2 Is the Disconnect Switch on the main electrical cabinet set to ON Switch 3 Is there 208 220 440 or 575 VAC to the t...

Страница 106: ...Check if any E Stop buttons are pulled out NOTE Location and quantity of E Stop buttons varies depending on customer need Typical locations for E Stop buttons are near the Rear Access Gate and near the Tool Changer Access Gate Stop Light OFF Check for 120 VAC between 2 and 4 If there is voltage press the Start button If no voltage check the Stop button to make sure it is all the way out and not st...

Страница 107: ... input side for 120 VAC If no 120 VAC check the fuse If there is 120 VAC and no 24VDC replace the 24VDC Power Supply If there is 24VDC Reconnect the V wire to the 24VDC power supply Trace the output wire to the DC terminal block Disconnect all 24V positive wires from the DC from the DC terminal block except the output wire from the 24VDC power supply Check for 24VDC at between any DC and DC termin...

Страница 108: ...Troubleshooting with the Status Light Panel 4 27 990 HQ Service Manual ...

Страница 109: ... schedule 17 frame node inputs and outputs 7 I Idler Shaft 17 inductive proximity sensor 19 internet access location of connection 2 remote connection 2 RJ45 to intranet 2 intranet as a remote access 3 RJ45 connection 2 K KVAL getting help 14 L LCD display smart poweer supply 2 linear bearing maintenance schedule 17 lockout and tagout Guidelines 12 lockout procedure 10 Lubrcation Schedule 17 Lubri...

Страница 110: ...leshooing 18 types 19 voltage levels 19 service connecting your machine to KVAL Service 3 service center contacting information 14 servo drives connections location 5 start light description 26 status light panel description 23 use as troubleshooting key 23 T tagout procedure 10 Tapered Bearing 17 troubleshooting using status lights 23 TwinCAT 2 software automation software 2 U USB module 2 W Wind...

Страница 111: ......

Страница 112: ...partment Kval Incorporated 825 Petaluma Boulevard South Petaluma CA 94952 Contacting KVAL Phone and Fax In the U S and Canada call 800 553 5825 or fax 707 762 0485 Outside the U S and Canada call 707 762 7367 or fax 707 762 0485 Email service kvalinc com http www kvalinc com ...

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