Remove/install air bellows

AR32.22-W-2003A

Remove/install air bellows

23.2.11

 

Remove/install

1

Raise vehicle at the rear and place supports under frame

 Secure the vehicle against rolling.

2

Depressurize air bellows

3

Remove left drive axle pressure sensor (B54) or right drive axle pressure sensor (B55).

 Only with code (AH8) Axle load measuring device.

4

Disconnect compressed air line (1) from connection of air spring bellows (3)

With compressed-air connection system "VOSS 230"

AR42.10-W-0900A

With compressed-air connection system "VOSS 232" (NG 8, 12) or "SCHÄFER SDF" (NG 6)

AR42.10-W-0900C

 Installation: Check O-rings and replace if necessary.



Notes on compressed air connection systems

AH00.18-N-0001-01A

5

Unscrew union nut (2) at air spring bellows connection fitting.

 Model 374.5/6, 375.3/4, 930, 932, 933, 934, 940, 942, 943, 944, 950, 952, 953, 954, 957

*BA32.22-N-1004-03A

 Model 374.4, 375.1, 970, 972, 974, 975, 976

*BA32.22-N-1003-03B

6

Unscrew bolt (5) on air spring bellows support and remove air spring bellows (3) with piston (4).

 Model 374.5/6, 375.3/4, 930, 932, 933, 934, 940, 942, 943, 944, 950, 952, 953, 954, 957

*BA32.22-N-1001-03A

 Model 374.4, 375.1, 970, 972, 974, 975, 976

*BA32.22-N-1002-03B

7

Install in the reverse order

8

Check air suspension for leaks

Number

Designation

Model
375.3/4,
930, 932,
933, 934,
944, 950,
952, 953, 954, 957

Model
374.5/6, 940, 942, 943

BA32.22-N-1001-03A

Bolt, air spring bellows piston to air bellows support

M161.5

Nm

190

190

BA32.22-N-1004-03A

Union nut, air spring bellows to top plate

Connection with plastic thread

Nm

25

25

Connection with metallic thread

Nm

100

100

Number

Designation

Model
374.4, 375.1,
970, 972, 974, 975, 976

BA32.22-N-1002-03B

Bolt, air spring bellows piston to air bellows support

Nm

190

BA32.22-N-1003-03B

Union nut, air spring bellows to top plate

Nm

100