ar3330l045005a

Remove/install drive pinion gear and threaded ring

Type ar · topic 33.30 · version 0105 · 2009-10-23

Applies to: FRONT AXLE 730.353 in MODEL 670.398 FRONT AXLE 730.354 in MODEL 670.4

Where it sits

Function group 2 Chassis › 33 Front axle › 33.30 Final drive, differential, drive shaft — Series 670 (models 398, 4**)

EinPAS 17 Drivetrain/axle › 17.50 Front axle › 17.50.65 Front axle differential/axle through drive — Series 670 (models 398, 4**)

Also applies to engines/gearboxes: 730 353, 730 354

AR33.30-L-0450-05A

Remove/install drive pinion gear and threaded ring

Differential assembly without through-drive

Number

Designation

Front axle 730.353/354

BA33.30-N-1004-05A

Threaded ring, drive pinion in axle housing

M1151.5

Nm

1000

Remove/install drive pinion gear and threaded ring
Remove/install drive pinion gear and threaded ring
Remove/install drive pinion gear and threaded ring

318 589 01 07 00

Pulling device

Claw-type wrench

Ratio wrench

000 589 78 63 00

745 589 00 33 00

Repair materials

Number

Designation

Order number

BR00.45-Z-1012-01A

Omnifit FD 3041 sealing compound

A 002 989 47 20 10

Remove/install drive pinion gear and threaded ring

N33.30-0291-01

Removing

1 Unscrew threaded ring using ratio wrench and claw-type wrench.

Remove/install drive pinion gear and threaded ring

N33.30-0292-01

Only remove threaded ring. Remove drive pinion gear with propeller shaft flange (7) screwed on, otherwise the halves of the compensating ring (11) slip between the tapered roller bearing outer races into the oil groove (A) in the axle housing.

Remove/install drive pinion gear and threaded ring

N33.30-0293-01

2 Screw puller on to coupling flange. Turn bolts against the threaded ring and pull out drive pinion gear.

Remove/install drive pinion gear and threaded ring

N33.30-0294-01

3 Remove the shims remaining in the axle housing and tie together.

Install

Check condition of pinion head bearing and drive pinion gear, replace if necessary.

4 Place shims in axle housing.

The thicker shim must be installed towards the center of the housing.

Remove/install drive pinion gear and threaded ring

N33.30-0295-01

5 Insert drive pinion gear completely into axle housing. Coat threaded ring with sealant.

Remove/install drive pinion gear and threaded ring

N33.30-0296-01

6 Tighten threaded ring using ratio wrench and claw-type wrench.

Observe tightening torque.