TL-12 Passenger Car Alignment System - Tru
Contents
1. Adjustment i A gt 4 Caster Zero Adjustment DA A C Red Adjustment Knob i DI B D Recommended Runout Procedure 16 ACCOMIDATING OVERSIZED TRUCK TIRES Although the Tru Line TL series alignment system is designed to align vehicles with rim diameters up to 19 alignment of vehicles with larger rim and tire diameters is possible By offsetting the center assembly of the TL 28 Wheel Clamp is to accommodate the laser to reach around the oversize tire as seen in the diagram below The Runout will still need to be performed in the same fashion spelled out in the Runout Procedure section Caster Camber and SAI are all performed in same fashion in the according sections One Size Wheel Configuration 17 MEASURING CAMBER CASTER AND SAI Measuring Caster Camber or SAI is very simple and fast Before performing these measurements e The equipment must be calibrated e The wheel clamps must be mounted and adjusted for run out e The full weight of the vehicle must be on its wheels e tis recommended to use turntables and slip plates when measuring caster camber and SAI e The vehicle should be jounced to settle the suspension Measuring Camber Camber readings are taken on the front wheels with the TL 30 Easy Check Gauge To measure rear camber use the bubble scale on each of the Combi Gaug2. TL 12 Passenger Gar Alignment System y o VA 8231 Blaine Road Blaine WA 98230 360 371 0552 360 371 0553 fax 800 496 3777 toll free www Tru Line net TABLE OF CONTENTS 1010 NS 70333 01 H LA NEE 3 NARO CIA 4 READING CIE 4 GENERAL ALIGNMENT 5 CALIBRATION PROCEDURES eres eee seese en etse natns tensis sense ze zere nere nene rione seneca seen s tens tns sense tas senese seen nenenennee 8 MOUNTING TL 28 WHEEL 4 0 14 M UNTING THE WHEEL CLAMPS dla 14 RUN OUT PROCEDURE O M ooo 15 BIER EE 15 ACCOMIDATING OVERSIZED TRUCK 8 senese nere 17 MEASURING CAMBER 18 MEASURING ASTER ee ME a SUE Ao dest noes 18 MEASURINGJ2S AT state dii relitto NA pst Ln Po ie Doe aa e oiv east col 19 LIVE CASTER ADJUSTMDBENTL irren sette eoe tesoira tento kud eren a eee oss e vna eau eee Up eese Ve evo Seege Eege 20 TWO WHEEL CENTERLINE 6 inest tns etas etna ets setas se ena eee 21 THRUST ANGLE ALIGNMENT eeeeeee essen seen rene rie ze rene ce zena zine zio nese nese nere seins essen seen setas senses stesse enses sensn sena 24 THRUST ANGIE ALIGNMENT PROCEDURE s nsii irie nr ael eee EENS eR OR en ire 24 FOUR WHEEL ALIGNMENT 40 4
3. 4 040 eene rene cenere nere cenno ee ee ze zare nere non conc eee nese nese nice onne naene ona 8008 26 ANS A E E RN 27 MAINTENANCE WARRANTY eene seen seen nete seta seen assu 29 MAINTENANCE mai leale ail 29 TWO YEAR LIMITED WARRANTY tutorial tertie i 29 SERVICE INSTRUCTIONS 30 INTRODUCTION The Tru Line TL 12 Laser Wheel Alignment System consists of the following components 4 TL 28 Wheel Clamps 1 TL 37 Left Laser Gun 1 TL 30 Easy Check Gauge 1 TL 38 Right Combi Gauge 1 TL 31 Brake Pedal Depressor 1 TL 39 Left Combi Gauge 1 TL 32 Steering Wheel Holder 1 TL 40 Calibration Bar 1 TL 36 Right Laser Gun 1 Documentation Optional components TLT 44 Level Compensator TL 500 Roll Around Cart TR 15 Spacer Kit for Clamp Note Drawings of each component are included in the procedure sections to follow Passenger cars RV s Trucks and Race Cars can easily be aligned anywhere No dedicated Rack or level surface is required The industry standard Two Wheel Centerline Two Wheel Thrust Line and Four Wheel Alignments can be easily accomplished by using the components above All of the gauges store on the Calibration Bar so that a complete calibration of the system can be easily done before use The components can also be hung on a wall Since a complete calibration only takes a second it is recommended that the system be calibrated befor
4. 5 Making sure that you are reading the Thrust Angle scales and not the Centering scales Note each tie rod must be adjusted evenly in relation to the other Make sure the cross toe laser 1s still in the hole The Thrust Angle alignment is complete when the cross toe laser is reflected off the cross toe mirror and back into the hole as well as the two other lasers are reflecting off the Centering scales and hit same numbers on the Thrust Angle scales Reference Note At this point if the customer does not have a straight steering wheel perform a Two wheel Centerline alignment and then repeat the process above 24 Thrust Angle Alignment 25 FOUR WHEEL ALIGNMENT The objective in a Four wheel alignment is to adjust all four wheels until they are aligned to the factory specification This alignment is typically done to vehicles that have rear wheel adjustment available The following should be completed before making any measurements or adjustments 1 2 3 4 5 6 Equipment should be checked for calibration The full weight of the vehicle must be on its wheels turntables in the front and slip plates in the rear The suspension must be inspected Front and rear wheel clamps must be installed Run out must be completed on all wheel clamps Adjustments for caster and camber should have already been completed To read total fo
5. the mounting feet onto the rim Make sure they are all attached to the rim 4 Use the installation knob to tighten the feet to the rim 5 Make sure the mounting feet are securely on the rim If they are not securely attached tap each leg with the palm of your hand and tighten the feet a little more with the installation knob Repeat this process until the mounting feet are secure 6 Perform the runout procedure on the appropriate wheel clamps Note Although the slide plate assembly is usually centered for a large diameter wheel you can loosen the locking screws and move the slide plate to the edge of wheel clamp then tighten the locking screws This will assure that the laser will shoot across the rear of the tires Do this before performing run out All the gauges are to be hung on the mounting disk of each wheel clamp The disk does not need to be centered on the wheel and the wheel clamp can be at any rotation on the wheel When the wheel clamps have been adjusted for run out they rotate along the same axis as the wheel Finally the three knobs that are just underneath the disk are used in conjunction with the TL 30 to adjust for run out The RED knob will adjust the vertical angle of the disk and the two BLACK knobs will adjust the horizontal angle of the disk For example when the adjustment knob is either in the 12 o clock or 6 o clock position use the RED knob to adjustments Alternatively when the adjustment knob is eithe
6. the suspension Be sure that the front turning plates and rear slip plates are released and move freely 6 Hang the TL 30 on the left front wheel clamp to measure camber caster and SAI a For camber readings with the tire in a straight ahead position note the reading of the camber bubble on the TL 30 b For caster readings swing the tire out 20 degrees and adjust the caster bubble to zero Then swing the tire in 20 degrees and note the reading of the caster bubble c SAL lock the brakes with the brake pedal depressor then swing left front wheel out 20 degrees zero the SAI scale on the top of the TL 30 and lock the gauge in place swing in 20 degrees and note the reading d Write down each reading for comparison with factory specifications e Repeat process on the right front wheel Note All adjustments to caster camber or SAL if required must be made before measuring toe 7 To read rear wheel camber hang the TL 38 right Combi gauge and TL 39 left Combi gauge on the disk of the rear wheel clamps The mirrors should be facing the front of the vehicle Rear wheel camber is read on the bubble scale of the TL 38 and TL 39 Note If the rear camber is greater than 3 degrees use the TL 30 Easy Check gauge to take the reading a If needed make adjustments to rear wheel camber Leave the TL 38 and TL39 gauges in place for toe readings 8 Hang the TL 36 right laser gun and TL 37 left laser gun on the front wheel clamps drivers
7. which is in the middle of the vertical post of the gauge Once the camber bubble is zeroed on the camber scale calibration is complete for the camber on that gauge Use the same procedure to calibrate each of the Combi gauges TL 38 and TL 39 Note once the Combi gauges have been calibrated place them on the two disks which are on the right and left side of the calibration bar and closest to the Fixed Returned Mirrors Verify that both Camber scales are equal and opposite SAI Scale SAI Lock Camber Zero Set Caster Scale Caster Zero Adjustment Camber Scale TL 30 Easy Check Gauge Camber Zero rl Rear Camber Scale Po Toe Setting Adjusting Knob Toe Scale in Inche Toe Scale in Degree Rear Centering Scale TL 38 Right Rear Combi Camber Zero Set 9 Rear Camber Scale Toe Setting Adjusting Knob Toe Scale in Inches Rear Centering Scale Toe Scale in Degrees TL 39 Left Rear Combi 10 Second Calibrating the toe settings for TL 36 right Laser Gun and TL 37 left Laser Gun 1 Place the TL 36 and TL 37 on the set of disks furthest from the Fixed Return Mirrors so the lasers are pointing towards them Place the Laser Guns on the disks at the slot location located on the bottom of the Laser Guns push down until you here a click 2 Turn the lasers on using the white button There is a red light next to the button that will illuminate when there is power to the Laser Gun There sh
8. a Turn the Laser Guns on and point to the Combi gauges at which time the laser will be seen on the Centering scale b Check to make sure that the cross toe laser from the left laser box is hitting the cross toe mirror in the laser box If not adjust the cross toe vertical pivot knob which is on the left laser box until the laser reaches the mirror Set the dial on the TL 36 and TL 37 to factory toe specifications 1 8 Note when setting the dial to 1 8 it equals a total of 1 8 overall toe or 1 16 on each side Adjust the front tie rods until the cross toe laser is reflected back into the hole i e the laser from the left laser box is reflected off the toe mirror in the right laser box and back into the hole of the left laser box Check the lasers on both centering scales if the numbers match move on to the next step however if the numbers do not match adjust the tie rods until they do Note after making this adjustment check the cross toe laser it be in the hole Remember that the objective here is end up the cross toe laser in the hole and laser on the centering scales hit roughly the same numbers Look at the thrust angle scales on the front of the Guns Adjust the rear wheels evenly until the lasers hit the 5 on thrust angle scales to the same numbers Note After making all the adjustments your objective is to have all lasers dropped in the hole of the cross toe and the thrust angle scales We call it Drop it in
9. ations Repeat process on the right front wheel Note When performing step 4 rotate the wheel right until the SAI scale on the right side is zeroed For all of the other steps follow the same procedure Note Any and all adjustments to caster or camber must be made before measuring toe 19 This scale allows you to monitor caster adjustments while making the changes the vehicle The following caster adjustment procedure measure caster 1 2 3 4 5 6 2 LIVE CASTER ADJUSTMENT Hang the TL 30 on the left front wheel clamp Install brake pedal depressor and lock brakes so they do not rotate With power brakes start the engine to install brake pedal depressor Release the pin on the turntable This allows the wheel to pivot or turn freely From a straight ahead position turn the wheel out 20 degrees Use the scale on the turntable to confirm swing Level the TL 30 using the SAI scale on the top of the TL 30 adjust the caster bubble to zero using the knob on the body of the TL 30 Turn the wheel in a total of 40 degrees or until the wheel is 20 degrees in on the scale of the turntable A DO Naoan NO Read the number corresponding to the bubble on the caster scale Record and compare the reading to the factory specifications Caster Adjustment TO ADJUST CASTER LIVE Use the corresponding scale right or left on the appropriate wheel Rotate the TL 30 on the disk un
10. b on top of the tire The aluminum feet can be mounted either on the inside or outside of the rims whichever is more convenient Make sure the wheel clamps are securely in place 4 To adjust run out using the TL 30 EZ Check gauge a Raise the vehicle so the wheels can rotate freely b Place the TL 30 on the disk located on the TL 28 wheel clamp c Using the TL 30 gauge with the adjustment knob on the TL 28 at a 3 o clock position set the caster bubble to zero d Rotate the wheel so that the installation knob is at a 9 o clock position e Using the RED zero knob on the TL 28 wheel clamp adjust the bubble on the TL 30 halfway to the zero position using the numbers on the caster scale f Rotate the TL 28 to a 12 o clock position and adjust caster bubble to zero again g Rotate the wheel to the 6 o clock position and adjust the bubble to halfway between zero and the reading using the two knobs not yet adjusted on the TL 28 clamp h With the TL 30 held in a level position with one hand do not grasp or hold tightly rotate the wheel one full turn while watching the caster bubble Here the bubble should not move more than 1 8 of a bubble If the bubble moves more than 1 8 of a bubble repeat the procedure Note For a Two wheel Centerline alignment run out should be adjusted on the front wheels For a Two wheel Thrust Angle or a total Four wheel alignment adjust run out on all wheels 5 Lower the car and jounce the car to settle
11. e each use and recalibrated when needed Tru Line is pleased to have you and your company as a client We are available to answer any questions that you may have Please feel free to contact us if there is anything further we can do to make Tru Line a better product for you and your company Tru Line 8231 Blaine Road Blaine WA 98230 360 371 0552 360 371 0553 fax 800 496 3777 toll free www ru Line net HOW IT WORKS The TL 12 wheel alignment system measures Caster Camber SAI and Toe Two wheel thrust angle and four wheel can be done easily with speed and accuracy These alignments can also be referenced to the mechanical centerline of the vehicle Depending on the type of vehicle being aligned the technician chooses which alignment to do Although this manual presents standard two wheel thrust angle and four wheel alignment procedures other variations are possible The procedures that have been laid out in the manual are a guideline that is proven in the field The technician can deviate from these procedures as required measuring gauges are mounted on the wheel clamps by hanging them on the mounting disk If a clamp is dropped during mounting you will not damage the system itself The Easy Check Gauge is used to measure caster camber and SAI on the front wheels The two Laser Guns and two rear Combi Gauges are used to measure toe The rear Combi Gauges also measure camber on the rear wheels Reading the Scales 1 T
12. es Note that rear camber only needs to be adjusted when performing a four wheel alignment 1 Hang the TL 30 on the left front wheel clamp to measure camber caster and SAI 2 With the wheels in a straight ahead position note the reading of the camber bubble on the TL 30 and compare with factory specifications 3 Repeat process on the right front wheel clamp 4 To measure rear camber use the TL 38 and TL 39 Combi gauges which have a camber scale on each If the vehicle has a rear camber greater than or 3 degrees use the TL 30 to take the reading j Note Any and all adjustments to caster or camber must be made before measuring toe umuoz oc Measuring Caster Caster readings are taken on the front wheels using the TL 30 1 Hang the TL 30 on the left front wheel clamp to measure camber caster and SAI e 2 Install brake pedal depressor and lock brakes so they do not rotate With power A brakes start the engine to install brake pedal depressor S 3 Release the pin on the turntable This allows the wheel to pivot or turn freely T 4 From a straight ahead position turn the wheel out 20 degrees Use the scale on the E 0 turntable to confirm swing 2 5 Level the TL 30 using the SAI scale on the top of the TL 30 adjust the caster bubble to zero using the knob on the body of the TL 30 6 Turn the wheel in a total of 40 degrees or until the wheel is 20 degrees in on 6 the scale of the turn
13. f the laser reflects back to the center of the hole of the laser guns scales then the Combi is calibrated no further adjustment is needed If either of the lasers does not reflect back to the hole then follow these steps a Adjust the toe knob of the Combi gauge until the laser returns to the hole on the Thrust Angle scale b Setthe dial ring to zero on the scale of the Combi gauge To do this loosen the hex 1 16 screws on the toe knob enough to move the dial ring freely Set the dial ring to zero and check to make sure the laser is still returning to the 5 Now tighten the hex screws Allen Screws FR Ring Scale Zero Mark Dial Ring 5 When the laser reflects off the Combi mirrors returns to the hole on the Thrust Angle scales and all four dial rings are set to zero the Combi gauges are calibrated Combi Gauge Laser Gun Combi Gauge Calibration 13 MOUNTING TL 28 WHEEL CLAMPS The wheel clamps can be attached to either the inside or the outside of the rim whichever is easiest They can be mounted on a wheel rim 10 inches to 19 inches in diameter and the aluminum feet are less likely to damage polished aluminum rims Mounting the Wheel Clamps 1 Adjust the installation knob either in or out until the feet will fit the wheel rim 2 Rotate the mounting feet until they are all facing either the inside or outside of the rim This depends upon which side of the rim the wheel clamps are mounted 3 Place
14. gs are set to zero then the Laser Guns are calibrated Combi Gauge Laser Gun Laser Beam Combi Gauge Calibration 11 Battery Compartment End Cap End Cap Screws 2 A ON Push Button Black OFF Push Button Toe Setting Knob Toe Scale in Inches Toe Scale in Degrees Thrust Angle Scale Return Centering Target Cross Toe Retroreflector Reflected Cross Toe Beam Rear Laser Beam TL 36 Right Laser Gun Battery Compartment End Cap End Cap Screws 2 Grey ON Push Button Black OFF Push Button Toe Setting Knob Toe Scale in Inches Toe Scale in Degrees Thrust Angle Scale Return Centering Target Cross Toe Centering Target Cross Toe Laser Beam Rear Laser Beam TL 37 Left Laser Gun 12 Finally Calibrating the toe settings for Combi gauges Note Be sure that the camber has already been calibrated on each Combi gauge and the Laser Guns have been calibrated with the Fixed Return Mirrors 1 Ifthe Combi Gauges are not already on the disks closest to the Fixed Return Mirror with the mirrors facing the Laser Guns place them there 2 Setthe toe dials to zero on both the Laser Guns and the Combi Gauges 3 Pointthe lasers at the Combi mirrors The lasers should be roughly on the 5 within one digit of each the scales in the front of the Combi gauges or Centering scale 4 Check the laser on the Thrust Angle scale of each Laser Gun I
15. he toe scales are used to dial factory toe specifications into both Laser Boxes and both Combi Gauges Factory toe can be measured in millimeters inches or degrees The toe scale is located on the top of each Laser Box and Combi Gauge The scale is used in conjunction with the toe adjustment knobs and dial rings 2 The rear centering scales are used in two wheel centerline and in four wheel alignments This scale surrounds the reflector mirror on each Combi Gauge The scale is primarily used to measure the distance from the vehicle centerline It does not measure the rear wheel toe thrust angle 3 The thrust angle scales are located on the front of each Laser Box The thrust angle scale is used for two wheel thrust alignments and measures the angle of the rear axle 4 The camber scales are located on the Easy Check Gauge and each Combi Gauge Camber can be measured on the four wheels 5 The caster scale is located on the Easy Check Gauge Caster is measured on the front wheels The bubble on the caster scale is adjusted with knob on the bottom right hand corner on the Easy Check Gauge 6 The SAI scale is located on the top of the Easy Check Gauge SAI is measured on the front wheels the Easy Check Gauge should be locked in place which is done with the locking screw tightened onto the mounting disk 7 The caster adjustment scale which 1s located on the top of the Easy Check Gauge This scale is used to read Live Caster Adjustment o
16. horized repairs have been made or attempted by anyone other than a Tru Line service representative Note Do not leave the TL 30 TL 38 and TL 39 gauges in the direct sunlight on hot days Permanent damage to the bubbles will result This will void the warranty The system will operate at temperatures up to 50 degrees C 123 degrees F without problems It is possible to exceed that temperature by leaving the unit in direct sunlight on a very hot day If the unit is hot to touch do not operate place the unit in the shade until it cools Operating above 50 degrees C will void warranty A warranty card is included in your user s packet Please complete it as soon as possible and return it to Tru Line 29 SERVICE INSTRUCTIONS The user should be aware that this is a precision instrument and excessive abuse or rough handling may result in damage and or loss in calibration Routine factory maintenance and service is not necessary However if the system is not functioning properly the user should not attempt to repair any equipment A Tru Line service representative should perform all servicing and repairs at the factory Send all repairs to with a pre approved RMA return merchandise authorization to Tru Line 8231 Blaine Road Blaine WA 98230 360 371 0552 360 371 0553 fax 800 496 3777 toll free www Tru Line net 30
17. into place with the laser box facing the rear of the vehicle a Turn the Laser Guns on and point them to the Combi gauges at which time the laser will be seen on the Centering scale Set the Toe Dials to zero b Check to make sure that the cross toe laser from the left laser box is hitting the cross toe mirror in the laser box If not adjust the cross toe vertical pivot knob which is on the left laser box until the laser reaches the mirror 3 Adjust the TL 36 Right Laser gun s toe dial until the laser drops in the hole 4 Read the TL 36 Toe Dial the Toe Dial will read twice what the actual Total Front Toe is LE if the Toe Dial on the TL 36 reads 1 8 toe in the actual total front toe is 1 16 toe in 21 Two wheel centerline alignment procedure 1 Lock steering wheel in the center position 2 Hang TL 38 and TL 39 Combi gauges on the rear wheels with the Centering scale facing towards the front of the vehicle Set the toe dials to zero 3 Hang the TL 36 and TL 37 Laser Guns on the front of the vehicle The Laser Guns should snap into place with the laser box facing the rear of the vehicle a Turn the Laser Guns on and point them to the Combi gauges at which time the laser will be seen on the Centering scale b Check to make sure that the cross toe laser from the left laser box is hitting the cross toe mirror in the laser box If not adjust the cross toe vertical pivot knob which is on the left laser box until the laser
18. n the front wheels the Easy Check Gauge should be locked in place which is done with the locking screw tightened onto the mounting disk Note Diagrams are included in each section GENERAL ALIGNMENT PROCEDURE The following section is an overall guide for performing an alignment with the TL 12 The steps listed below are meant to give a basic understanding of what procedures are used and how they are performed to accomplish wheel alignment The steps given should generally be followed in the same order as they have been placed It may also be helpful keep this procedure close at hand Note Prior to any alignment it must be decided what type of alignment is to be performed i e Two wheel Centerline Two wheel Thrust Angle or a full Four wheel alignment This will determine the procedure required There are three distinct types of alignment Two wheel Centerline Two wheel Thrust Angle Four wheel all four wheels have adjustments available Each of these alignments requires a different set of procedures Specific procedures for each of these alignments are given in the following sections 1 Check calibration of the TL 12 alignment system and if necessary recalibrate 2 Putthe vehicle on a rack or other appropriate surface Perform standard pre alignment checks and inspections Remember no alignment can be properly done with loose suspension parts 3 Mount the TL 28 wheel clamps on all four wheels with the installation kno
19. nment system periodically TL 37 Left Laser Gun TL 40 Calibration Bar Storage Disk TL 39 Left Rear Combi TL 38 Right Rear Combi TL 38 Right LaserGun Master Camber Bubble Adjustment Fixed Return Mirror 1 of 2 Master Camber Bubble _ Laser Beam TL 40 Calibration Bar First Calibrating the camber of the TL 30 TL 38 and TL 39 Note There is a pivot plate at the end of the TL 40 which has a mounting disc attached to the end a master bubble vial affixed to the plate and an adjustment knob The pivot plate is designed to eliminate any pitch in the bar or non level surface It is used to calibrate the camber vials on the TL 30 and both Combi gauges 1 2 3 4 5 Place the TL 30 EZ Check gauge on the mounting disc of the pivot plate Use adjustment knob just above the pivot plate center the master bubble the This must be done with the gauge on the disk Check the camber scale on the gauge If the bubble of the camber scale is at zero the gauge is calibrated However if the camber bubble is not at the zero position the gauge must be adjusted until the camber bubble is zeroed Note It does not matter which portion of the bubble you use the top bottom or middle portion can be used with equal precision What is important is that once you have decided on which part of the bubble to use you are consistent a If adjustment is needed use the camber adjustment knob
20. ose of a Thrust Angle alignment is to adjust the front wheels until they are aligned with the rear axle This alignment is typically done to vehicles that have no rear wheel adjustment available This type of alignment gives the customer a straight steering wheel and minimizes tire wear on the front only and allows you to measure which direction the rear of the vehicle is inclined to travel or the thrust angle of the vehicle The following should be completed before making any measurements or adjustments 1 Equipment should be checked for calibration 2 The full weight of the vehicle must be on its wheels 3 The suspension must be inspected 4 Front and rear wheel clamps must be installed 5 Runout must be completed on all wheel clamps 6 Adjustments for caster camber and SAI should have already been completed Thrust Angle Alignment Procedure NOTE Using the procedure of the TWO WHEEL CENTERLINE ALIGNMENT sections complete the additional procedures to complete a THRUST ANGLE ALIGNMENT 6 Adjust the front tie rods until the cross toe laser is reflected back into the hole i e the laser from the left laser box is reflected off the toe mirror in the right laser box and back into the hole of the left laser box 7 Look at the Thrust Angle scales on the front of the laser boxes Adjust each of the front tie rods evenly until the lasers hit the same numbers on the Thrust Angle scales As described in the Centerline Alignment procedure step
21. ould also be a laser shinning out the front of each of the laser boxes 3 Check to make sure the toe dial is set to zero 1 e the red ring around the toe knob on the top of each laser box is zeroed on the scale If not turn the toe knob until each dial is set to zero 4 Point the lasers directly at the Fixed Return Mirrors The lasers should reflect back onto the scales in the front of the laser boxes or Thrust Angle scales 5 Check the laser on the Thrust Angle scale on the front of each Laser Gun If the laser reflects back to the hole on the scales then the Laser Gun is calibrated no further adjustment is needed If either of the lasers does not reflect back into the hole then follow these steps Note When referring to the hole we are referring the hole located on the laser gun scales thrust angle scales at the number 5 has a hole where the laser comes out a Adjustthe toe knob of the laser box until the laser beam reflects back in the hole on the Thrust Angle scale b Set the dial ring to zero on the scale of the laser box To do this loosen the 1 16 hex screws on the toe knob enough to move the dial ring freely Set the dial ring to zero and check to make sure the laser is still returning to the hole Now tighten the hex Screws 7 Allen Screws Ring Scale Zero Mark Dial Ring 6 When the laser in both Laser Guns reflect off the fixed mirrors returns to the hole on Thrust Angle scale and both dial rin
22. r in the 3 o clock or 9 o clock position use the two BLACK knobs to make adjustments Mounting Dis Black Runout Adjusting Knob E Me Red Runout Adjusting Kno Center Slide Assembly Locking Screw 2 Spreader Knob Mounting Fee TL 28 Wheel Clamp 14 RUN OUT PROCEDURE Once the wheel clamps have been mounted run out should either be performed on the two front wheels or all four depending what type alignment is preferred For a Two wheel Centerline alignment adjust run out on both front wheels For a Thrust Angle alignment or Four wheel total alignment adjust run out on all four wheels The following should be completed before run out adjustments are made Front and rear wheel clamps must be installed The vehicle must be raised so the wheels can rotate freely Run Out Procedure 1 2 3 4 5 6 7 8 9 Place the TL 30 on the disc extending from the wheel clamp Level the TL 30 using the SAI scale on the top of the post Make sure the TL 30 can move easily so that it stays relatively level when the wheel clamp is rotated Rotate the wheel clamp until the installation knob is at a 12 o clock position Set the caster bubble to zero on the caster scale this is done with the caster adjustment knob which is located on body of the TL 30 Rotate the wheel clamp gt gt turn the installation knob should be at a 6 o clock position Level the TL 30 and read the number on the caster scale Adju
23. reaches the mirror 4 Setthe toe dial on the TL 36 and TL 37 to factory toe specifications 1 8 Note when setting the dial for example to 1 8 it equals a total of 1 8 overall toe or a 1 16 on each side Leave the toe dial at zero on the Combi gauges 5 Adjust the front tie rods until the cross toe laser is reflected from the cross toe mirror back into the hole At this point the lasers should also be hitting the Centering scales which are on the front of the Combi gauges Check the numbers that the lasers are hitting a Your objective is to match the numbers or hit the same number on each Centering scale with a tolerance of gt a digit For example if you are hitting a 4 on the left scale and a 5 on the right scale this is acceptable b If you are hitting a 2 on the right scale and 6 on the left scale then further adjustment is required In this case add the numbers together 2 6 8 and then divide the total in half 8 2 4 to get your target number 4 c Inthis example 4 is your target number adjust the front tie rods until the lasers hit the 4 on the scales thus matching the numbers Note After making adjustments to the tie rods it is important that the cross toe laser still be in the hole The Two wheel Centerline alignment is complete when the cross toe laser is reflected off the cross toe mirror back into the hole and the numbers on the Centering scales match 22 THRUST ANGLE ALIGNMENT The purp
24. side so the lasers will shoot towards the rear of the vehicle a Turn the laser guns on and point them to the rear centering scales on the TL 38 and TL 39 9 For Two wheel Centerline or Thrust Angle alignments set the toe dial on the TL 36 TL 37 to factory toe specifications 1 8 and set the toe dial on the TL 38 TL 39 to zero Note when setting the dial to 1 8 for example it equals a total of 1 8 overall toe or 1 16 on each side Make adjustments as needed 10 For a Four wheel alignment set the toe dial on both of the laser guns and both of the Combi gauges to factory specifications 1 8 Make adjustments as needed to drop laser into the hole Note Front and rear specifications may be different Left Front Right Front Cross Toe Laser Beam Laser Knob Cross Toe Centering Target Thrust Thrust Angle Angle Scale Scale Laser Beam Laser Beam Rear Rear Centering Centering Scale Scale Left Rear Right Rear GENERAL ALIGNMENT PROCEDURE CALIBRATION PROCEDURES Using the TL 40 Calibration Bar you are able to calibrate the TL 12 wheel alignment system which consist of the TL 30 EZ Check Gauge TL 36 right Laser Gun TL 37 left Laser Gun TL 36 right Combi and TL 39 left Combi For maximum accuracy it is important to check and if necessary recalibrate the alig
25. st the bubble to the point halfway between 0 and the current reading using the RED knob on the TL 28 When making this adjustment it is important not to move the bubble with the caster adjustment knob Rotate the wheel 4 turn to the right so the installation knob is at a 9 o clock position Level the TL 30 and set the caster bubble to zero with caster adjustment knob Rotate the wheel turn until the installation knob is at a 3 o clock position 10 Level the TL 30 read the number on the caster scale 11 Adjust the caster bubble to the point halfway between 0 and the current reading using the two BLACK knobs on the wheel clamp 12 Rotate the wheel until the installation knob is at a 12 o clock position Level the TL 30 and adjust the caster knob until the caster bubble reads zero 13 With the TL 30 held in a level position with one hand do not grasp or hold tightly rotate the wheel one full turn while watching the caster bubble The bubble should not move more than 1 8 of a bubble If the bubble does move repeat the run out procedure 15 O Caster Zero
26. table 8 7 Read the number corresponding to the bubble on the caster scale Record and to compare the reading to the factory specifications 11 8 Repeat this process on the right front wheel y 12 Note Any and all adjustments to caster camber or SAI if required must be made before measuring toe 18 Measuring SAI When measuring SAI the Brake Pedal Depressor TL 31 must be installed so the wheel does not rotate 1 2 3 4 5 6 7 8 Hang the TL 30 to the left front wheel clamp to measure camber caster and SAI Install brake pedal depressor and lock the brakes so they do not rotate With power brakes start the engine to install brake pedal depressor Release the pin on the turntable This allows the wheel to pivot or turn freely From a straight ahead position turn the wheel out 20 degrees Use the scale of the turntable to confirm swing Rotate the gauge left until the SAI scale on the left side is zeroed Note that there is a right and a left zero position of the scale both of which are on the bottom half of the SAI scale Lock the TL 30 in place using the thumbscrew which is located just below the scale Do not turn the camber calibration screw which is on the vertical bar of the TL 30 Turn the wheel in a total of 40 degrees or until the wheel is 20 degrees in on the scale of the turntable Take the reading on the SAI scale record and compare it to factory specific
27. the hole drop it in the hole and drop in the hole That completes a Four Wheel Alignment 27 Front of Car TOE Thrust Angle Laser Gun Scale 987654321 123456789 Steering Wheel Locked Straight Ahead Laser Gun i Laser Beam TOE Rear Centering Rear Centering Scale Scale 123456752 karesa Rear Combi Rear Combi How Toe is Measured 28 MAINTENANCE WARRANTY amp SERVICE Maintenance The system requires minimal maintenance We recommend that the batteries be replaced once a year to minimize the possibility of damage due to leakage Damage caused by leaking batteries is not covered under warranty If the laser reflection seems to be dim take a soft cloth with a glass cleaner gently wipe the mirrors on the gauges REMOVE TWO ALLEN SCREWS TO OPEN REAR END CAP Note When closing the rear end cap Do Not Pinch the Wire Two Year Limited Warranty Tru Line Wheel Alignment Systems are guaranteed to the original owner for a period of two years from the date of purchase Tru Line will repair or replace at its options for the full two years those parts returned to the factory and proves to be defective after inspection by Tru Line This warranty does not cover normal maintenance or adjustment or damage caused by improper use abuse misuse or normal wear and tear In addition this warranty does not cover equipment when unaut
28. til the bubble reads the same number that was measured on the caster procedure Lock theTL 30 in place on the disk Using the lock knob shown in figure 3 Make the necessary adjustment while monitor the gauge until the bubble moves to the desired corresponding number Repeat the caster measurement procedure to confirm that the caster has been corrected Make additional adjustments if needed SAI Scale SAI Lock Camber Zero Set Caster Scale Caster Zero Adjustment Camber Scale TL 30 Easy Check Gauge 20 TWO WHEEL CENTERLINE ALIGNMENT The purpose of a Two wheel Centerline alignment is to align the front wheels to the theoretical centerline of the vehicle This is accomplished by adjusting the front wheels to match up with the centerline of the vehicle Note the Two wheel Centerline procedure is the first step of the Thrust Angle and Four wheel alignments The following should be completed before making any measurements or adjustments 1 Equipment should be checked for calibration 2 The full weight of the vehicle must be on its wheels 3 The suspension must be inspected 4 Front and rear wheel clamps must be installed 5 Runout must be completed on the front wheel clamps 6 Adjustments for caster camber and SAI should have already been completed To read Total Front Wheel Toe 1 Lock steering wheel in the center position 2 Hang the TL 36 and TL 37 Laser Guns on the front of the vehicle The Laser Guns should snap
29. ur wheel toe 1 2 3 4 5 6 Complete the procedure as described in the Centerline Alignment portion of this manual to read the total front wheel toe and then complete the following steps Hang the TL 36 37 38 amp 39 gauges on their respective disks and zero the toe dials on all of the gauges Turn on the lasers Adjust the TL 37 Left Laser Gun toe dial until the Laser beam drops back into the hole on the Thrust Angle Scale Adjust the TL 36 Right Laser Gun toe dial until the Cross Toe Laser drops back into the hole Adjust the TL 38 Right Rear Combi Gauge toe dial until the laser beam moves back one half of the distance to the hole on the Thrust Angle Scale if the laser beam hits the 3on the Thrust Angle Scale You would move the toe dial until the laser beam hits the 4 on the Thrust Angle Scale Read the Total Rear Toe I E if the toe dial on the TL 38 reads 1 8 out the actual Total Rear Toe is 1 16 out 26 Four Wheel Alignment 1 2 3 4 5 6 7 Lock steering wheel in the center position or until the front wheels are in the straight ahead position Hang TL 38 and TL 39 Combi gauges on the rear wheels with the Centering scale facing toward the front of the vehicle Set toe dials to factory toe specification Hang the TL 36 and TL 37 Laser Guns on the front of the vehicle The Laser Guns should snap into place with the laser box facing the rear of the vehicle
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