AR32.22-S-2001S | Remove/install compressor | 3.5.12 |
MODEL 639 with CODE (CL0) Rear air suspension, lowerable and liftable
S32.22-4521-09
1 Air intake hose
2 Filter
3 Compressed-air hoses
4 Bolts
5 Carrier plate
6 Compressed-air hose
7 Bolts
A9/1m1 Air compressor motor
A9/1y1 Air compressor (pressure) relief valve
Y36 ELC [ENR] valve unit
| Remove/install | ||
Danger! | Risk of death caused by vehicle slipping or toppling off of the lifting platform | Align vehicle between columns of vehicle lift and position four support plates at vehicle lift support points specified by vehicle manufacturer. | |
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. | Do not work between wheels and wheel wells or in wheel box. Only perform testing and adjustment operations from below the vehicle. Secure areas with moving vehicle parts against unauthorized access. | |
1 | Lower vehicle at rear axle | See Operator's Manual. | |
2 | Switch electronic level control to passive mode | See Operator's Manual. | |
3 | Separate air intake hose (1) from filter (2) of air intake | ||
4 | Unscrew Voss connections of compressed-air hoses (3) from ELC [ENR] valve unit (Y36) | | |
5 | Remove bolts (4) | Put down air suspension compressor assembly on semi-trailing arm. | |
| |||
6 | Detach electrical connections from air compressor motor (A9/1m1), air compressor pressure relief valve (A9/1y1) and the ELC valve unit (Y36) | ||
7 | Removes air suspension compressor assembly | ||
8 | Detach electrical connection of air compressor motor (A9/1m1) from carrier plate (5) | To do this, open bayonet lock. | |
9 | Unscrew Voss connection of compressed-air hose (6) on air compressor pressure relief valve (A9/1y1) | Installation: Install new cable ties. | |
| |||
10 | Remove compressor major assembly for air suspension from carrier plate (5) | To do this, remove screw/bolts (7). | |
| |||
11 | Install in the reverse order | ||
| Checking | ||
12 | Check air spring bellows for correct seat | ||
13 | Put electronic level control into operation | See Operator's Manual. | |
14 | Check connections of compressed air hoses (3) and compressed-air hose (6) for leaks | Leak detection spray | |
for USA |
Air suspension
Number | Designation | Model | ||
BA32.22-N-1001-03F | Bolt, compressor retaining plate to substructure | Nm | 19 | |
BA32.22-N-1002-03F | Bolt, compressor to compressor retaining plate | Nm | 7 | |
BA32.22-N-1004-03F | Voss connection to valve unit | Nm | 10 | |
Repair materials
Number | Designation | Order number |
BR00.45-Z-1002-03A | Leak detection spray | Christof Fischer GmbH, |
BR00.45-Z-1004-03A | Leakage spray for USA | LIQUI MOLY Long Beach, CA 90815 Fax + 1 562 5975269 |
Referenced documents
- as0000z001001a Risk of death caused by vehicle slipping or toppling off of the lifting platform.
- as3222z000101a 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.