ar2850w100301a

Remove/install planetary gears

Type ar · topic 28.50 · version 0103 · 2008-11-14

Applies to: TRANSFER CASE 750.850 /851 /852

Where it sits

Function group 2 Chassis › 28 Transfer case › 28.50 Gear assembly, shafts

EinPAS 17 Drivetrain/axle › 17.22 Transfer case › 17.22.52 Planetary gear set

Also applies to engines/gearboxes: 750 850, 750 851, 750 852

AR28.50-W-1003-01A

Remove/install planetary gears

Remove/install planetary gears

Counter stay

000 589 33 33 00

Repair materials

Number

Designation

Order number

BR00.45-Z-1008-06A

Silicone-based grease

A 001 989 28 51 10

Remove/install planetary gears
Remove/install planetary gears

W28.50-0048-01

Removing

1 Drive roll pin (1) all the way into planetary gear axle (5).

2 Pull planetary gear axle (5) out of planet carrier (6) using a bent wire.

Insert the bent wire into the hole of the planetary gear axle (5) and hook it into the oil hole (8).
If the planetary axle gear is difficult to remove, weld an M10 bolt onto the planetary gear axle (5) and remove using a counter stay (10).

3 Remove planetary gear (4), thrust plates (2), needle rollers (7) and shim (3) from planet carrier (6). Remove hose (9) (assembly aid).

4 Remove roll pin (1) from planetary gear axle (5).

W28.50-1116-01

Remove/install planetary gears

W28.50-0049-01

Install

5 Place planetary gear (4) on a thrust plate (2) and fill with a little multipurpose grease.

6 Insert 28 needle rollers (7) first, then shim (3) and remaining 28 needle rollers into planetary gear with a little multipurpose grease or with hose (assembly aid).

7 Place second thrust plate (2) on planetary gear.

Remove/install planetary gears
Remove/install planetary gears

W28.50-0048-01

8 Insert planetary gear (4) into planet carrier (6).

9 Install the planetary gear axle (5) such that the two holes (arrows) are in alignment and the oil hole (8) faces outward.

The hose (9) remains in the planet carrier.

10 Install roll pin (1) up to setback of approx. 5 mm.

W28.50-0050-01