Tru-Line TLT Series Bedienungsanleitung

Operation and Service Manual

Laser Wheel Alignment System

TLT-12

Truck, Trailer, and RV

Alignment System

8231 Blaine Rd.

Blaine, WA 98230

360-371-0552 Phone

800-496-3777 Toll Free

www.Tru-Line.net

Table of Contents

Introduction......................................................................................................................... 3

How it Works...................................................................................................................... 4

Reading the Targets: ....................................................................................................... 4

Unpacking and Assembling the System.............................................................................. 5

Calibration Procedures........................................................................................................ 7

Calibrating the camber of the TLT-30. ........................................................................... 7

Calibrating the TLT-56 Digital Level…......................................................................... 8

Calibrating the toe settings for TLT-36 right Laser Gun and TLT-37 left Laser Gun.... 9

Calibration of the TLT-44................................................................................................. 10

General Alignment Procedure........................................................................................... 13

Mounting the TLT–28 Wheel Clamps.............................................................................. 15

Run-Out Procedure ........................................................................................................... 16

Run Out Procedure:....................................................................................................... 16

Accommodating Oversize Truck Tires ............................................................................. 19

Measuring Camber:....................................................................................................... 20

Measuring Caster: ......................................................................................................... 20

Measuring Caster with the TLT-56 Digital Level. .......................................................22

Measuring SAI/KPI ...................................................................................................... 21

Measuring Caster, Camber and SAI/KPI on a Non-Level Surface................................... 23

To Measure Camber on a Non-Level Surface .............................................................. 23

To Measure the Side to Side Tilt for SAI/KPI.............................................................. 23

To Measure Front to Rear Tilt for Caster ..................................................................... 24

Live Caster Adjustment .................................................................................................... 25

Two-Wheel Centerline Alignment.................................................................................... 26

Reading Toe Procedure:................................................................................................ 26

Two-Wheel Centerline Alignment Procedure: ............................................................. 26

Tracking & Offset ............................................................................................................. 29

Tracking Procedure:...................................................................................................... 29

Offset Procedure: .......................................................................................................... 30

MAINTENANCE, WARRANTY & SERVICE .............................................................. 32

Maintenance:................................................................................................................. 32

Two Year Limited Warranty......................................................................................... 32

SERVICE INSTRUCTIONS ........................................................................................ 33

Introduction

The Tru-Line TLT-12 Laser Wheel Alignment System consists of the following

components:

2- TLT-28 Truck Wheel Clamps 1- TLT-41 Calibration Bar

1- TLT-30 Easy Check Gauge 1- TLT-44 Level Compensator

1- TLT-31 Brake Pedal Depressor 1- TLT-51 Calibration Laser

1- TLT-32 Steering Wheel Holder 1- TLT-52 Wheel Centering Target

1- TLT-36 Right Laser Gun 1- TLT-53 King Pin Center Target

1- TLT-37 Left Laser Gun 1- TLT-56 Digital Level

Documentation

Optional components:

TL – 28 Passenger Car Wheel Clamps TLT – 502 Case

TLT – 29 Aluminum Wheel Adapters TLT – 60 Frame Centering Targets

Note: Drawings of each component is included in the procedure sections to follow.

These components can be used with an alignment rack, turntables, or slip plates in the

front to do an alignment. No dedicated rack or level surface is required. Alignment of

vehicles can be easily done almost anywhere and the type of vehicle range from Tractors,

Trailers, Busses, R.V. `s, and other types of heavy equipment. All types of alignments

can be done, the most common being toe, two-wheel centerline, tracking/tandem, and

offset.

The Laser Guns are stored on the Calibration Bar, so that a complete calibration of the

system can easily be done before use. The components can also be hung on a wall. It is

recommended that the system be checked for calibration before each use and recalibrated

when needed.

Tru-Line is pleased to have you and your company as a client. We are available to you 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 Rd.

Blaine, WA 98230

360-371-0552 phone

800-496-3777 toll free

www.tru-line.net

How it Works

The TLT-12 wheel alignment system measures Caster, Camber, SAI/KPI, Toe,

Tracking/Tandem, and Offset. These alignments can reference the mechanical or actual

centerline of the vehicle. Two-wheel centerline, tracking, and four-wheel total alignments

can be made. Depending on the model of vehicle being aligned, the technician chooses

which type of alignment to do.

Although this manual presents standard two-wheel, tracking/tandem, and offset

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 vary from

the procedures to accommodate what they are comfortable with.

All measuring gauges are mounted on the wheel clamps by hanging them on the

mounting disk. If a clamp is dropped you will not damage the system itself. The Easy

Check Gauge is used to measure caster, camber and SAI/KPI. The two Laser Guns and

the wheel targets are used to measure Toe, Tracking/Tandem, and Offset.

Reading the Targets:

The toe scale is used to dial desired toe specifications into both Laser Boxes. Toe

can be measured in millimeters, inches, or degrees. The toe scale is located on the

top of each Laser Box and is used in conjunction with the toe adjustment knobs

and dial rings.

The centering targets are used in two-wheel centerline, Tracking/Tandem, and

Offset alignment. The target is primarily used to measure the distance from the

vehicle centerline. These targets can also be used on a trailer to identify the

Tracking/Tandem, and Offset of the wheels.

The camber scale can be found on the Easy Check Gauge. Camber can be

measured on all wheels

The caster scale is 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 of the Easy Check Gauge.

Caster can also be measured with a Digital Level, eliminating the need for costly

and heavy turn tables.

The SAI/KPI scale is on the top of the Easy Check Gauge. SAI/KPI is measured

on the front wheels. The Easy Check Gauge should be locked in place during

SAI/KPI measurement, which is done with the locking screw tightened onto the

mounting disk.

Locking Knob

Mounting Disk

Locking Nut

Height Adjustment Screw

Unpacking and Assembling the System

The system is shipped for the most part complete and ready to use. However, you will

need to assemble a couple of items in order to use the system to its fullest capability.

1. To assemble the TLT-41 Calibration Bar (Fig. 1). Locate the bar which looks like a

black bar with three disks on one end. Then locate the legs for this bar. They look like a

“T”. Assemble the bar with the provided screws in the bottom of the bar. You will need a

5/32” hex key for this.

Figure 1

2. To assemble the TLT-44 Level Compensator Bar, (Fig. 2) you will find in the crate a

long bar with two pieces attached to it. You will need to slide on the base foot assembly.

When finished it should look like this.

Match to Tread Width

Figure 2

1 2 3 4 5 6 7 8 9 10 11 12

12 11 10 9 8 7 6 5 4 3 2 1

3 2 1

8 7 6 5 4

12 11 10 9

3. Next you will find a pair of targets. These targets mount either on the King Pin Target

kit, (Fig. 3) or the Wheel Chock Target Stands (Fig. 4). The targets have plastic

thumbscrews for easy mounting and dismounting. Please note that when assembling these

Targets, they must be mounted exactly mirror image from each other in order to obtain

the highest accuracy. When assembled they should look like this:

Target Kits

Figure 3

Wheel Chock Target

Figure 4

Calibration Procedures

Using the TLT-41 Calibration Bar, you are able to calibrate the TLT-12 wheel alignment

system, which consist of the TLT-30 EZ Check Gauge, TLT-36 right Laser Gun, and

TLT-37 left Laser Gun. For maximum accuracy, it is important to check and, if

necessary, recalibrate the alignment system regularly.

Calibrating the camber of the TLT-30.

Note: There is a pivot plate at the end of the TLT-41, which has a mounting disc

attached to the end, a small 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 TLT-30.

Place the TLT-30 EZ Check gauge, (Fig. 6) on the mountingdisc of the pivot

plate. This is located on the end of the TLT-41 calibration bar.

Use adjustment knob, just above the pivot plate, to center the bubble inside the

cross-section of the vial. This must be done with the gauge on the disc.

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’s

important is that once you have decided on which part of the bubble to

use, you are consistent.

If adjustments are needed, use the camber adjustment knob, 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.

SAI Scale

SAI Lock

Camber Zero Set

Caster Scale

Caster Zero Adjustment

Camber Scale

TLT-30 Easy Check Gauge

Figure 6

Calibrating the TLT-56 Digital Level

Note: There is a separate set of detailed instructions included with the TLT-56 Digital

Level (AccuLevell™).

Place the TLT-56 Digital Level on a flat surface.

Wait ten (10) seconds.

Push and hold the CALIBRATE button for 2seconds. (-1-) will appear briefly on

the display.

Rotate the TLT-56 Digital Level end for end. Wait ten (10) seconds.

Push the CALIBRATE button again. (-2-) will appear briefly on the display.

The TLT-56 Digital Level has now been calibrated for level.

Calibrating the toe settings for TLT-36 right Laser Gun

and TLT-37 left Laser Gun.

Place the TLT-41 Calibration Bar on a firm surface orientated so that the end of

the bar that has the mounting discs on it is opposite of a clear distance of at least

twenty (20’) feet. Hang a laser gun on one of the discs of the TLT-41 Calibration

Bar. Level the laser gun and turn it on pointing towards the clear distance of at

least twenty feet (20’) away. Zero the Toe Dial.

Go out a distance of at least twenty feet (20’) and place one of the Centering

Target Flags so that the Target Scale is level with the laser gun.

Remove the Laser Gun and replace it with the TLT-51 Calibration Laser. Once

the TLT-51 Calibration Laser is on the disc, turn it on and point it at the Centering

Target that is twenty (20’) feet away.

Adjust the Centering Target Flag so that the laser beam from the TLT-51

Calibration Laser is on either the #2 or #11 of the Centering Target Scale.

Remove the TLT-51 Calibration Laser and place it on the opposite disc. Point the

laser beam at the Centering Target Flag and make note of the number it is on,

either the #2 or #11. The TLT-41 Calibration Bar is now on center with the

Centering Target Flag.

Remove the TLT-51 and hang both Laser Guns (TLT-36 & 37) on the discs of the

TLT-41 Calibration Bar and secure them by gently pressing down on the laser

gun. There should be a slight snap when the plunger locks into place on the disc.

Level them at the Centering Target Flag; turn them on and set the Toe Dials on

Zero.

Make note of where the laser beams hit the Centering Target Flag that is Twenty

(20’) away. I.E. the #2 and #11. Take the other Centering Target Flag and place it

in front of the laser beams at the end of the Laser Guns.

Make note of where the laser beams hit the Centering Target. Note: You may

have to flip the Centering Target upside down in order to read the target on the

same numbers as the far target.

If the distance marks on the near Centering Target is not the same as the distance

mark on step 7. Adjust either, one or both Toe Dials until an equal distance mark

is obtained both at the near reading in step 8 and the far reading in step 7. I.E. if

the Left Laser Gun hits the #1.5 on the far Centering Target and the Right Laser

Gun hits the #11, and on the near Centering Target the Left Laser Gun hits the #2

and the Right Gun hits the #11. Then only the Left Laser Gun would have to be

adjusted to make the laser beams parallel.

10)

In case an adjustment is required. To reset the dial ring to zero, (Fig. 7) on the

scale of the laser box. Loosen the two 1/16 hex screws on the toe knob enough to

move the dial ring freely. Now tighten the hex screws.

1/16th Hex Screws

Ring Scale

Zero Mark

Dial Ring

Figure 7

Calibration of the TLT-44

To calibrate TLT-44 it must be assembled. Figure 20 shows the bar placed under the front

wheels of the vehicle to be measured. Since the bar rests near the front wheels, it is tilted

the same amount as the vehicle. The compensation procedure that follows corrects for the

tilt. After assembly, the bar is calibrated according to the following procedure on the

following page.

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