Remove/install air bellows support

AR32.22-W-2030A

Remove/install air bellows support

31.07.2017

Model

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

Shown on model 934

1

Air suspension bellows carrier

2

Shock absorber

3

Air suspension bellows

4

Rear axle stabilizer bar

 

Remove/install

1

Secure vehicle against rolling

2

Raise vehicle frame at rear with level control operating unit and support

3

Depressurize air suspension bellows (3) with air suspension operating unit

4

Switch off ignition

 To ensure that control cannot change position.

5

Remove stabilizer bar (4) on rear axle

AR32.35-W-2210C

 Only vehicles with stabilizer link on air-sprung rear axle

6

Detach air suspension bellows (3) from air suspension bellows carrier (1)

 Rear axleScrew/bolt, air spring bellows piston to air bellows support

*BA32.22-N-1001-03A

7

Detach shock absorber (2) from air suspension bellows carrier (1)

 Bolts, shock absorber to air suspension air bellows support

*BA32.25-N-1006-03D

8

Unhook linkage from bottom of position sensor for air suspension

9

Detach air suspension bellows carrier (1) from axle housing

 Installation:
When tightening, turn the nuts only and counterhold the bolt heads using a suitable wrench.
Otherwise the specified tightening torques will not be reached and the threaded connections may slacken.

 Note different tightening torques.

 Rear axle 746.2Air bellows support to rear axle, when installing on a new rear axle

*BA32.22-N-1001-02D

 Rear axle 746.2Air bellows support to rear axle, when installing on a used rear axle

*BA32.22-N-1002-02D

 Rear axle 748.2/5/7Air bellows support to rear axle, for repair only

*BA32.22-N-1001-02A

10

Install in the reverse order

 Air bellows support

Number

Designation

Model 374.5/6, 940, 942, 943 with rear axle 748.2

Model 950, 952, 953, 954, 957 with rear axle 748.2

BA32.22-N-1001-02A

Air bellows support to rear axle, for repair only

M24x2

Stage 1

Nm

100

100

Stage 2

Nm

300

300

Stage 3

Nm

500

500

Stage 4

Nm

690

690

Stage 5

 °

90

90

 Air bellows support

Number

Designation

Model 930, 932, 933, 934 with rear axle 748.2

Model 375.3/4, 944 with rear axle 748.2

BA32.22-N-1001-02A

Air bellows support to rear axle, for repair only

M24x2

Stage 1

Nm

100

100

Stage 2

Nm

300

300

Stage 3

Nm

500

500

Stage 4

Nm

690

690

Stage 5

 °

90

90

 Air bellows support

Number

Designation

Model 374 with rear axle 748.7

Model 950, 954 with rear axle 748.5

BA32.22-N-1001-02A

Air bellows support to rear axle, for repair only

M24x2

Stage 1

Nm

100

100

Stage 2

Nm

300

300

Stage 3

Nm

500

500

Stage 4

Nm

690

690

Stage 5

 °

90

90

 Air bellows support

Number

Designation

Model 930, 934 with rear axle 748.5

Model 375.3, 930, 932, 933, 934, 944, 950, 952, 953, 954, 957 with front axle 739.5

BA32.22-N-1001-02A

Air bellows support to rear axle, for repair only

M24x2

Stage 1

Nm

100

­

Stage 2

Nm

300

­

Stage 3

Nm

500

­

Stage 4

Nm

690

­

Stage 5

 °

90

­

 Air bellows support

Number

Designation

Model 374 with front axle 739.9

Model 375.3 with front axle 733.731

BA32.22-N-1001-02A

Air bellows support to rear axle, for repair only

M24x2

Stage 1

Nm

­

­

Stage 2

Nm

­

­

Stage 3

Nm

­

­

Stage 4

Nm

­

­

Stage 5

 °

­

­

 Air bellows support

Number

Designation

Model 375.3/4, 944 with rear axle 746.2

Model 930, 934 with rear axle 746.2

BA32.22-N-1001-02D

Air bellows support to rear axle, when installing on a new rear axle

M242

Stage 1

Nm

100

100

Stage 2

Nm

200

200

Stage 3

Nm

300

300

Stage 4

Nm

400

400

Stage 5

°

90

90

Stage 6

°

90

90

Stage 7

°

90

90

Stage 8

°

90

90

 Air bellows support

Number

Designation

Model 950, 954 with rear axle 746.2

Model 374.5/6, 940 with rear axle 746.2

BA32.22-N-1001-02D

Air bellows support to rear axle, when installing on a new rear axle

M242

Stage 1

Nm

100

100

Stage 2

Nm

200

200

Stage 3

Nm

300

300

Stage 4

Nm

400

400

Stage 5

°

90

90

Stage 6

°

90

90

Stage 7

°

90

90

Stage 8

°

90

90

 Air suspension

Number

Designation

MODEL 375.3/4, 930, 932, 933, 934 (except 934.2), 944 (except 944.2), 950, 952, 953, 954 (except 954.2), 957

Model 374.5/6, 940, 942, 943

BA32.22-N-1001-03A

Screw/bolt, air spring bellows piston to air bellows support

M16x1.5

Nm

190

190

 Air bellows support

Number

Designation

Model 375.3/4, 944 with rear axle 746.2

Model 930, 934 with rear axle 746.2

BA32.22-N-1002-02D

Air bellows support to rear axle, when installing on a used rear axle

M242

Stage 1

Nm

100

100

Stage 2

Nm

300

300

Stage 3

Nm

500

500

Stage 4

Nm

750

750

 Air bellows support

Number

Designation

Model 950, 954 with rear axle 746.2

Model 374.5/6, 940 with rear axle 746.2

BA32.22-N-1002-02D

Air bellows support to rear axle, when installing on a used rear axle

M242

Stage 1

Nm

100

100

Stage 2

Nm

300

300

Stage 3

Nm

500

500

Stage 4

Nm

750

750

 Rear axle shock absorber

Number

Designation

Model 374, 375, 930, 932, 933, 934, 940, 942, 943, 944, 949, 950, 952, 953, 954, 957, 958

BA32.25-N-1006-03D

Bolts, shock absorber to air suspension air bellows support

Nm

460