Rear axle - Remove/install complete assembly

AR35.10-T-0010A

Rear axle - Remove/install complete assembly

10.6.98

25.6.01

Figure modified from 104 Nm to 105...130 Nm

Figure in BA41.10-N-1001-01E for
model 671 with RA 748.12 and
transmission 714.120/140 modified

*BA41.10-N-1001-01E

 

Remove, Install



When installing, cotter pins, self-locking bolts and nuts must be renewed and wear parts must be checked for reusability.

1

Place chocks in front of and behind front wheels.

2.1

Jack up vehicle at rear axle and place on axle stands

AR00.60-T-1000-03A

2.2

Raise vehicle at center axle

 For models 671.312/322/327 only.

 If the rear axle is raised above 720 mm, the center axle must be raised as well.

3

Remove rear wheels

AR40.10-T-1100A

4

Position jack under both bell hubs, fasten device to wheel bolts and secure jack.

 So that the rear axle can be moved out sideways later.



Device for supporting axle at the wheel hub

WF58.50-N-3310-01A

5

Unscrew propeller shaft (3) at drive
flange (4).





- Slide propeller shaft together, in order to achieve clearance at the clutch flange. If necessary, unscrew lubricating nipple on propeller shaft to do this.

- If necessary, wire the propeller shaft to the frame (to prevent the telescoping section from sliding out of the splines).

 Installation: grease propeller shaft after installation.

*BA41.10-N-1001-01E

6

Bleed spring brake cylinder (8).

 By turning the hand brake valve to the parking brake position.

7

Detach linkage of level-control valves (5).

Installation:

Bleed air bellows by pressing up lever on level-control valve and attach linkage.

 Vehicle must not lift off jack stands when bleeding the air suspension.

8

Close off compressed air connections of rear axle.

9

Disconnect electrical connectors at rear axle.

10.1

Work loose attachment of central lubricating line at compressed air line, unscrew central lubricating lines and fasten to substructure.

 Applies only to vehicles with central lubrication.

10.2

Disconnect ABS cable and ASR cable at connections to substructure.

Applies only to vehicles equipped with ABS/ASR.

11

Unscrew diagonal control arm (1) from link bracket (2) of rear axle and unscrew at substructure.



*BA35.15-N-1001-03B



*BA35.15-N-1002-03B

Detach longitudinal control arm (11) from rear axle and substructure.



*BA35.15-N-1004-03B



*BA35.15-N-1006-03B

12

Unscrew shock absorber (6) from spring bracket (9).



 Check shock absorber rubber for wear and damage.

*BA32.25-N-1001-03J

13

Bleed air bellows (7).

The air bellows are bled by pulling the lever of the appropriate level-control valves (5).

14

Lower rear axle slowly.

 Make sure that the air bellows (7) are detached from the lower supporting surface.

Installation: when raising the rear axle make sure that the air bellows are correctly seated.

15

Pull out rear axle to the side of the vehicle using spring brackets (9).

 If necessary, remove air bellows (7).

 Installation:

Check air bellows (7) for signs of wear and damage.

Clean cone on substructure. Grease air bellows slightly at top.

16

Remove U bracket (10) from spring bracket (9) of rear axle.



Installation:

Grease spring clip in area of axle mounting bore.

Replace washers.

*BA32.22-N-1001-01C

17

Install in the reverse order

Number

Designation

Models 671.000/005/010

Model 671.312/ 322/327

BA32.22-N-1001-01C

Nut, U bracket to spring bracket

NM

600

600

Number

Designation

Model
671.000/
005/010/
312/322/
327

BA32.25-N-1001-03J

Nut, shock absorber to spring bracket

NM

50

Number

Designation

Rear axle 748.513/524

BA35.15-N-1001-03B

Bolt, diagonal link to link bracket

NM

176

BA35.15-N-1002-03B

Bolt/serrated bolt, diagonal control arm to substructure

NM

176

BA35.15-N-1004-03B

Bolt/serrated bolt, longitudinal control arm to substructure

NM

176

BA35.15-N-1006-03B

Bolt, trailing arm to rear axle

NM

176

Number

Designation

Model 671 with
RA 748 and
transmission 714, 721

BA41.10-N-1001-01E

Nut, propeller shaft flange to rear axle (without spring washer)

NM

105...130