Remove/install air suspension bellows on leading axle

AR32.22-W-2014HT

Remove/install air suspension bellows on leading axle

13.05.2019

Model

963.042, 964.043 with rear axle 749.114

without Hendrikson leading axle, 17.5" and 22.5"

1

Compressed-air connector

2

Nut

3

Spring retainer

4

Air suspension bellows

5

Nuts

 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

 Danger

Risk of death caused by vehicle slipping or toppling off during lifting

Only lift vehicle at the lift support points specified by the vehicle manufacturer.

AS00.00-Z-0032-01A

 Danger

Risk of death from lowering vehicle when working between wheels and body. Risk of injury from pinching or crushing when working on the air suspension.

Testing and repair work between the wheel and wheel arch or in the wheel well should only be performed if the vehicle is secured using suitable support fixtures to prevent it from lowering.
Adjustment operations should only be performed from underneath the vehicle.
Use only suitable support fixtures to secure the vehicle frame or vehicle axles in order to prevent them from lowering.
If necessary, additionally use suitable support fixtures in order to prevent other moving vehicle parts that are in the working area from lowering, or use suitable retaining devices to prevent these parts from moving suddenly and without warning.
Secure areas with moving vehicle parts against unauthorized access.

AS32.22-Z-0001-01A

Topical note

Special instructions for lifting and supporting vehicle

AH00.60-N-0100-01B



Remove

1

Secure vehicle at driven rear axle using chocks to prevent it from rolling away.

2

Switch on ignition.

3

Lower vehicle fully using level control system operating unit.

4

Switch off ignition.

5

Drain compressed air system completely.

6

Remove compressed-air connector (1).

AR42.10-W-0900H

7

Remove nuts (2, 5).

8

Remove air suspension bellows (4) with spring retainer (3).

 If necessary, raise vehicle and place supports at the rear.



Install

9

Insert air suspension bellows (4) with spring retainer (3).

 If necessary, raise vehicle and place supports at the rear.
The compressed air connection of the air suspension bellows (4) must point to the frame.

10

Install nuts (2, 5).

 Nut, air suspension bellows to axle/air suspension bellows carrier

*BA35.50-N-1001-02T

11

Attach compressed-air connector (1).

AR42.10-W-0900H

12

Start the engine and completely fill compressed-air system at idle speed.

13

Move vehicle to driving level using level control system operating unit.

14

Switch off ignition.

15

Check compressed-air connector (1) for leak tightness.

 Use commercially available leak detector spray.

16

Remove chocks.

 Leading axle

Number

Designation

Rear axle 749.114 in model 963.042, 964.043

BA35.50-N-1001-02T

Nut, air suspension bellows to axle/air suspension bellows carrier

Nm

72