ar3222g2003k

Remove/install air suspension bellows

Type ar · topic 32.22 · version 0204 · 2018-10-01

Applies to: Model 000.069 with rear axle 749.306/307/320/323/330/336/345/346 with DLS air suspension Model 000.069 with rear axle 749.308/309/324/325/334/349/360/361/368/369

Where it sits

Function group 2 Chassis › 32 Suspension › 32.22 Air suspension — Series 000 (models 069)

EinPAS 20 Chassis › 20.16 Suspension › 20.16.30 Spring/air suspension bellows/shock absorber/suspension strut — Series 000 (models 069)

Also applies to engines/gearboxes: 749 306, 749 307, 749 308, 749 309, 749 320, 749 323, 749 324, 749 325, 749 330, 749 334, 749 336, 749 345, 749 346, 749 349, 749 360, 749 361, 749 368, 749 369

AR32.22-G-2003K

Remove/install air suspension bellows

01.10.2018

Model

000.069 with rear axle 749.306/307/320/323/330/336/345/346

with DLS air suspension

Model

000.069 with rear axle 749.308/309/324/325/334/349/360/361/368/369

Remove/install air suspension bellows

Shown on DCA air suspension

1

Compressed-air line

2

Air suspension bellows

3

Nut

4

Air spring bellows carrier

G32.22-3106-05

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

Notes on self-locking nuts and bolts

AH00.00-N-0001-01A

Topical note

Special instructions for lifting and supporting vehicle

AH00.60-N-0100-01K

Remove/install

1

Raise vehicle and support at frame

Secure vehicle to prevent it moving away.

2

Support axle tube

3

Remove wheel

AR40.10-G-1100K

4

Remove air line (1) from air suspension bellows (2)

5.1

Remove air suspension bellows (2) from spring control arm

Model 000.069 with rear axle 749.306/307/320/323/330/336/345/346with DLS air suspension

To do so, mark installation position of air suspension bellows (2) and remove screws/bolts.

Installation: Replace screw/bolts.

Bolt, spring control arm to piston of air spring bellows

*BA32.22-N-1004-03C

5.2

Detach air spring bellows (2) from air spring bellows carrier (4)

Model 000.069 with rear axle 749.308/309/324/325/334/349/360/361/368/369

To do so, mark installation position of air suspension bellows (2) and remove screws/bolts.

Installation: Replace screw/bolts.

Bolt, air suspension bellows support to piston of air spring bellows

*BA32.22-N-1005-03C

6

Remove air suspension bellows (2)

To do this, unscrew nuts (3).

Installation: Replace nuts (3).

Nut, air spring bellows to top plate

*BA32.22-N-1002-03C

7

Install in the reverse order

Check

8

Check air suspension for leaks

Air suspension

Number

Designation

TRAILER AXLE 749.300/301/305/306/307/308/309/320/321/322/323/324/325/330/334/335/336/337/340/345/346/347/348/349/360/361/368/369 in MODEL 000.069

BA32.22-N-1002-03C

Nut, air spring bellows to top plate

M12

Nm

65

M20

Nm

74

Air suspension

Number

Designation

TRAILER AXLE 749.300/301/305/306/307/308/309/320/321/322/323/324/325/330/334/335/336/337/340/345/346/347/348/349/360/361/368/369 in MODEL 000.069

BA32.22-N-1004-03C

Bolt, spring control arm to piston of air spring bellows

M12

Nm

65

Air suspension

Number

Designation

TRAILER AXLE 749.300/301/305/306/307/308/309/320/321/322/323/324/325/330/334/335/336/337/340/345/346/347/348/349/360/361/368/369 in MODEL 000.069

BA32.22-N-1005-03C

Bolt, air suspension bellows support to piston of air spring bellows

M12

Nm

60

Referenced documents