Remove/install rear axle spring

AR32.20-D-0232TS

Remove/install rear axle spring

16.06.2020

Model

907

except code CB2 (Comfort air suspension)

Model

910 (except 910.0)

Shown on rear axle 741.412

1

Spring U-bolt

2

Plate

3

Rear axle spring

4

Spring shackle

5

Nut

Shown on model 907 with code LG7 (LED High Performance headlamp)

9

Articulated rod

 Danger

Risk of death caused by vehicle slipping or toppling off of the lifting platform.

Align vehicle between vehicle lift columns and position the four support plates at the vehicle lift support points specified by the vehicle manufacturer.

AS00.00-Z-0010-01A

 Warning

Risk of injury caused by pinching or crushing when working on springs or spring bodies that are under tension

Use only approved tensioning devices; additionally screen off hazardous area if necessary. Check special tools for damage and proper operation (visual inspection). Wear protective gloves.

AS00.00-Z-0001-01A

Topical note

Notes on threaded connections fastened using a tightening angle-based tightening process

AH00.00-P-0020-01A

Topical note

Notes on self-locking nuts and bolts

AH00.00-N-0001-01A

Notes on repair work on suspension components

AH00.00-P-0100-01A



Remove

1

Raise vehicle.

AR00.60-D-1000-04TS

Topical note

Special instructions for lifting and supporting vehicle

AH00.60-N-0100-01TS

2

Secure vehicle on vehicle lift.

AR00.60-D-0100-01TS

 Commercially available devices/tools
Tensioning straps

3

Prop up rear axle.



000 588 11 62 00 Major assembly mount

WS01.00-P-0092B



000 588 10 62 00 Support plate

WS26.00-P-3309B

4

Remove articulated rod (9) from headlamp range adjustment level sensor lever.

Model 907, 910 (except 910.0) with code LG7 (LED High Performance headlamp)

 To do so, remove ball head.

5

Secure rear axle.

 Commercially available devices/tools
Tensioning straps

 To do so, fix rear axle in place with tensioning strap on major assembly support.

6

Remove spring U-bolts (1).

 For this purpose unscrew nuts.

 Nut, spring U-bolt for rear axle spring to rear axle

*BA32.20-N-1005-03A

7

Remove plate (2).

8

Remove shock absorbers at rear axle.

AR32.25-D-0110TS

9

Remove rear axle spring (3) from front spring bracket.

 To do this, unscrew nut (5) and remove screw.

 Bolt, rear axle spring to spring bracket at front

*BA32.20-N-1002-03A

10

Remove rear axle spring (3) with spring shackle (4) from rear spring bracket.

 To do so, unscrew nut and remove screw.

 Bolt, spring shackle to spring bracket at rear

*BA32.20-N-1004-03A

11

Remove propeller shaft from rear axle.

Model 907

AR41.10-D-0050TS


Tie up propeller shaft using suitable wire or cable to body.
Otherwise drive shaft may become damaged.

12

Remove stabilizer bar from rear axle.

If installed.

 Model 907
except code CB2 (Comfort air suspension)
except code IT5 (5.0 tonner)
Model 907
with code IT5 (5.0 tonner)
except code CB2 (Comfort air suspension)Bolt, stabilizer bar to rear axle

*BA32.35-N-1001-03TS

13

Remove rear axle spring (3).



000 588 11 62 00 Major assembly mount

WS01.00-P-0092B



000 588 10 62 00 Support plate

WS26.00-P-3309B


Lower the rear axle carefully and do not pull or kink the brake hoses.
Otherwise the brake hoses will be damaged.

 To do so, lower rear axle.

 A helper is required.

14

Remove spring shackle (4) from rear axle spring (3).

 To do this, unscrew nut (5) and remove screw.

 Bolt, rear axle spring to spring shackle at rear

*BA32.20-N-1003-03A



Check

15

Check elastomer bearings in rear axle spring (3) and spring shackle (4) for damage.

If corresponding findings are present,



replace elastomers bearing in rear axle spring (3) and spring shackle (4).

Remove/install elastomer bearing of rear axle spring

AR32.20-D-0240TS



Install

16

Attach spring shackle (4) to rear bearing eye of rear axle spring (3).

Adjust installed dimension of rear axle spring

AR32.20-D-0031-01TSR

 To do so, install screw and screw on nut (5).

 To do so, adjust installed dimension of rear axle spring (3).

Model 907 except code CB2 (Air suspension comfort suspension), model 910Installed dimension of rear axle spring

*BE32.20-N-1001-02TS

 Bolt, rear axle spring to spring shackle at rear

*BA32.20-N-1003-03A

17

Install rear axle spring (3) at front spring bracket.


Slightly tighten screw by hand.
Otherwise the elastomer bearings will be placed under stress and will wear prematurely.

 To do so, install screw and screw on nut (5).

 For this, ensure correct installation position of rear axle spring (3). The mark (arrow) must point forward.

18

Mount rear axle spring (3) with spring shackle (4) to rear spring bracket.


Slightly tighten screw by hand.
Otherwise the elastomer bearings will be placed under stress and will wear prematurely.

 To do so, install screw with nut.

19

Install plate (2).

20

Raise rear axle.



000 588 11 62 00 Major assembly mount

WS01.00-P-0092B



000 588 10 62 00 Support plate

WS26.00-P-3309B

21

Install spring U-bolts (1).

 To do so, screw on nuts.

 Nut, spring U-bolt for rear axle spring to rear axle

*BA32.20-N-1005-03A

22

Remove major assembly support from rear axle.



000 588 11 62 00 Major assembly mount

WS01.00-P-0092B



000 588 10 62 00 Support plate

WS26.00-P-3309B

 To do so, remove tensioning strap from rear axle and major assembly support.

23

Attach shock absorber to rear axle.

AR32.25-D-0110TS

24

Attach propeller shaft to rear axle.

Model 907

AR41.10-D-0050TS

25

Attach stabilizer bar to rear axle.

If installed.

 Model 907 except code IT5 (5.0 tons) model 907 with code IT5 (5.0 tons)Bolt, stabilizer bar to rear axle

*BA32.35-N-1001-03TS

26

Attach articulated rod (9) at headlamp range adjustment level sensor lever.

Model 907, 910 (except 910.0) with code LG7 (LED High Performance headlamp)

 To do so, attach ball head.

27

Remove locking clip on vehicle on vehicle lift.

AR00.60-D-0100-01TS

28

Lower vehicle.

29

Drive vehicle on 4-post vehicle lift or work pit.

30

Rock vehicle to settle suspension several times.

31

Tighten nut (5) of rear axle spring (3) on front spring bracket and nut of spring shackle (4) to rear spring bracket.


The nuts (5) on the front spring bracket and the nuts of the spring shackle (4) on the rear spring bracket may only be tightened with the rear axle spring (3) in its compressed state.
Otherwise the elastomer bearings will be placed under stress and will wear prematurely.

 Bolt, rear axle spring to spring bracket at front

*BA32.20-N-1002-03A

 Bolt, spring shackle to spring bracket at rear

*BA32.20-N-1004-03A

Rear axle spring

Number

Designation

Model 907.12/13/22/23/62/63/72/73
except code CB2 (Comfort air suspension)
Model 910.12/13/62/63

Model 907.14/15/24/25/64/65/74/84/85
except code CB2 (Comfort air suspension)
Model 910.14/64

BE32.20-N-1001-02TS

Installed dimension of rear axle spring

with spring shackle

mm

1469

1467,5

 Rear-axle steel suspension

Number

Designation

Model 907.1/2
except code CB2 (Comfort air suspension)

Model 907.6/7/8
except code CB2 (Comfort air suspension)

BA32.20-N-1002-03A

Bolt, rear axle spring to spring bracket at front

M12x1.5

Stage 1

Nm

61

72

Stage 2

°

180

180

M14x1.5

Nm

-

-

M16x1.5

Nm

245

245

M18x1.5

Nm

-

-

 Rear-axle steel suspension

Number

Designation

Model 910.1

Model 910.6

BA32.20-N-1002-03A

Bolt, rear axle spring to spring bracket at front

M12x1.5

Stage 1

Nm

61

72

Stage 2

°

180

180

M14x1.5

Nm

-

-

M16x1.5

Nm

245

245

M18x1.5

Nm

-

-

 Rear-axle steel suspension

Number

Designation

Model 907.1/2
except code CB2 (Comfort air suspension)

Model 907.6/7/8
except code CB2 (Comfort air suspension)

BA32.20-N-1003-03A

Bolt, rear axle spring to spring shackle at rear

M12x1.5

Stage 1

Nm

89

89

Stage 2

°

-

-

M16x1.5

Nm

244

244

 Rear-axle steel suspension

Number

Designation

Model 910.1

Model 910.6

BA32.20-N-1003-03A

Bolt, rear axle spring to spring shackle at rear

M12x1.5

Stage 1

Nm

89

89

Stage 2

°

-

-

M16x1.5

Nm

-

-

 Rear-axle steel suspension

Number

Designation

Model 907.1/2
except code CB2 (Comfort air suspension)

Model 907.6/7/8
except code CB2 (Comfort air suspension)

BA32.20-N-1004-03A

Bolt, spring shackle to spring bracket at rear

M12x1.5

Stage 1

Nm

72

72

Stage 2

°

180

180

M16x1.5

Nm

244

244

 Rear-axle steel suspension

Number

Designation

Model 910.1

Model 910.6

BA32.20-N-1004-03A

Bolt, spring shackle to spring bracket at rear

M12x1.5

Stage 1

Nm

72

72

Stage 2

°

180

180

M16x1.5

Nm

-

-

 Rear-axle steel suspension

Number

Designation

Model 907.1/2
except code CB2 (Comfort air suspension)

Model 907.6/7/8
except code CB2 (Comfort air suspension)

BA32.20-N-1005-03A

Nut, spring U-bolt for rear axle spring to rear axle

M14x1.5

Stage 1

Nm

140

140

Stage 2

°

180

180

Stage 3

°

180

180

 Rear-axle steel suspension

Number

Designation

Model 910.1

Model 910.6

BA32.20-N-1005-03A

Nut, spring U-bolt for rear axle spring to rear axle

M14x1.5

Stage 1

Nm

140

140

Stage 2

°

180

180

Stage 3

°

180

180

 Rear axle stabilizer bar

Number

Designation

Model 907 except code IT5

Model 907 with code IT5

BA32.35-N-1001-03TS

Bolt, stabilizer bar to rear axle

Stage 1

Nm

61

102

Stage 2

°

-

60