Check/adjust toe of steerable additional axle

AR40.20-B-0600A

Check/adjust toe of steerable additional axle

29.06.2020

Model

382.15, 634.0 with rear axle 749.282

Additional steered rear axle RL 75 EC

10.5

Wrench indentation

X

Maximum adjustment measurement

1

Position the vehicle wheels on the turning plates, driving the vehicle straight ahead

 Warning

Risk of accident from vehicle starting off by itself when engine running. Risk of injury (bruises and burns) resulting from working on the engine while it is being started or when it is running.

Secure vehicle to prevent it from starting off by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts.

AS00.00-Z-0005-01A

2

Start the engine

3

Actuate the steering lock switch of the auxiliary steered axle wheels

 Do not move the steering. The steering cylinder centers automatically.

4

Turn off engine

5

Put the hydraulic cylinder in the working center position and leave it in this position during the entire process of adjustment

AR46.80-B-0002-01A

 Check the alignment of the working position of the hydraulic cylinder.

6

Mechanically align the hydraulic cylinder

After mechanical alignment, calibrate the hydraulic cylinder by means of Star Diagnosis.





Additional steering axle, function check via actuations

AD46.80-B-3002-01A

Learning auxiliary steered axle (ZL) system

AR46.80-B-1100A

7

Checking the camber measurement

Topical note

Notes on self-locking nuts and bolts

AH00.00-N-0001-01A

 The camber is a result of construction and cannot be adjusted, if necessary, check the components.

Camber

*BE40.20-B-1001-11L

8

Checking the caster measurement

 The caster measurement is a result of construction and cannot be adjusted, if necessary, check the components.

Convergence

*BE40.20-B-1002-11L

9

Check the king pin inclination

 The kingpin inclination is a result of construction and cannot be adjusted, if necessary, check the components.

Master pin inclination/vertical divergence

*BE40.20-B-1003-11L

10

Check the toe-in and, if necessary, adjust with the help of a wrench in the groove (10.5)

 After adjusting the toe-in, tighten the clamp to the specified torque.

Wheel alignment/convergence

*BE40.20-B-1004-11L

 Clamps in the connection bar terminals

*BA46.80-B-1002-01B

11

Check the measured thread amount of the tie-rod articulation


The maximum measurement (X) has to be 135 mm.
Otherwise, if the measure (X) is exceeded, the minimum quantity of thread of the connecting bar's articulation will be insufficient.

12

Measure the lateral displacement of the axle

AR40.20-B-0370-01XA

Allowed side displacement of the front axle and rear axle

*BE40.20-B-1002-19A

Steering geometry

Number

Designation

Vehicles 382.157/158, 634.061/071

BE40.20-B-1001-11L

Camber

°

1° (30')

Steering geometry

Number

Designation

Vehicles 382.157/158, 634.061/071

BE40.20-B-1002-11L

Convergence

°

2° (30')

Front axle/rear axle adjustments

Number

Designation

Vehicles 368.0/1, 382.1, 384.0/2, 634.0

BE40.20-B-1002-19A

Allowed side displacement of the front axle and rear axle

between the axle and the chassis center

mm

5

between the front axle and rear axle

mm

10

Steering geometry

Number

Designation

Vehicles 382.157/158, 634.061/071

BE40.20-B-1003-11L

Master pin inclination/vertical divergence

°

5° (30')

Steering geometry

Number

Designation

Vehicles 382.157/158, 634.061/071

BE40.20-B-1004-11L

Wheel alignment/convergence

mm

0 (+0,5mm)

 Rear axle auxiliary steering (HZL)

Number

Designation

Model 382.15, 634.0 with rear axle 749.282

BA46.80-B-1002-01B

Clamps in the connection bar terminals

Nm

80