Remove/install front axle level control valve unit

AR32.33-W-0018NA

Remove/install front axle level control valve unit

16.08.2016

Model

967

1

Test connection

6.16

Electronic Air-Processing Unit (EAPU) "LOW"

2

Electrical connector

6.17

Electronic Air-Processing Unit (EAPU) "MID"

3

Compressed air connectors

Y20

Front axle level control valve unit

4

Bolts

 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

 Danger !

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

 

Remove/install

1

Secure vehicle against rolling

2

Switch on ignition

3

Lower vehicle fully using level control system operating unit

4

Switch off ignition

5

Completely empty air suspension system at test connection (1) of Electronic Air-Processing Unit (EAPU) (6.16, 6.17)

6

Mark compressed air connectors (3) as per labeling on front-axle level control system valve unit (Y20) and detach

AR42.10-W-0900NA

 Installation: Pay attention to marking.

7

Unscrew bolts (4) and remove front-axle level control system valve unit (Y20)

 Level control valve unit of front axle to bracket

*BA32.30-N-1007-04B

8

Install in the reverse order



Check

9

Start engine and completely inflate air brake system with idle speed

10

Move vehicle to driving level using level control system operating unit

11

Switch off ignition

12

Check compressed air connectors (3) at front-axle level control system valve unit (Y20) for leaktightness

Leak detection spray

*BR00.45-Z-1002-03A

 Level control

Number

Designation

Model 967

BA32.30-N-1007-04B

Level control valve unit of front axle to bracket

M8

Nm

18

Repair materials

Number

Designation

Order number

BR00.45-Z-1002-03A

Leak detection spray

Christof Fischer GmbH
www.kaeltefischer.de