Remove/install wheel hub

AR35.20-W-0311C

Remove/install wheel hub

25.06.2020

Rear axle

749.126/163 in model 963, 964

1

Axle stub

2

Wheel hub

3

Thrust plate

4

Collar nut

5

Cover

6

Screw

Topical note

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

AH00.00-P-0020-01A

Notes on safety-relevant components

AH00.00-Z-0019-01A



Remove

1

Remove brake carrier with brake caliper.

AR42.10-W-0600H

2

Remove anti-lock braking system (ABS) rpm sensor.

AR42.30-W-0140H

3

Remove cover (5).

4

Release collar nut (4).

AR35.30-W-0432-05AH

5

Remove collar nut (4) and take off thrust plate (3).

 Use commercially available socket wrench of size   105mm.

6

Screw assembly sleeve onto kingpin (1).

 Assembly sleeve

*749589031400

7

Detach wheel hub (2) from axle spindle (1) over assembly sleeve.

8

Remove brake disk from wheel hub (2).

Only if wheel hub (2) or brake disk is replaced.

AR42.10-W-0240HB



Install

9

Attach brake disk to wheel hub (2).

Only if the brake disk has been removed.

AR42.10-W-0240-01HB

 Install new bolts and tighten in 2 stages in a crosswise pattern.

 Screw/bolt, brake disk to wheel hub (DNA)

*BA42.10-N-1004-22A

10

Clean machined surface of axle spindle (1) thoroughly around entire circumference.

 Using a wire brush and fine emery cloth.

11

Coat cleaned surface of axle spindle (1) around entire circumference with multi-purpose paste.

Multi-purpose paste

*BR00.45-Z-1009-06A

12

Slide wheel hub (2) over assembly sleeve onto axle spindle (1).

 Assembly sleeve

*749589031400

13

Remove assembly sleeve from axle spindle (1).

14

Attach new collar nut (4) with new thrust plate (3).

 Tighten collar nut (4) manually by continuously turning wheel hub (2) far enough until wheel hub (2) is lying against axle spindle (1). Then tighten collar nut (4) and do not slacken again.
Use commercially available socket wrench of size   105mm.

 Collar nut, wheel hub to axle tube

*BA35.20-N-1003-09A

 Ratio wrench

*000589696300

15

Secure collar nut (4).

AR35.30-W-0432-03AH

16

Clean sealing surfaces on wheel hub (2) and cap (5) and then coat with sealant.

Loctite 5900

*BR00.45-Z-1089-01A

17

Install cover (5).

 Bolt, cover to wheel hub

*BA35.20-N-1002-09A

18

Install anti-lock braking system (ABS) rpm sensor.

AR42.30-W-0140H

19

Install brake carrier with brake caliper.

AR42.10-W-0600H

 Wheel hub

Number

Designation

Rear axle 749.126/163 in model 963, 964

BA35.20-N-1002-09A

Bolt, cover to wheel hub

Nm

35

 Wheel hub

Number

Designation

Rear axle 749.126/163 in model 963, 964

BA35.20-N-1003-09A

Collar nut, wheel hub to axle tube

Nm

950

 Disk brake

Number

Designation

Model 963, 964
Disk brake Ø 22.5"

BA42.10-N-1004-22A

Screw/bolt, brake disk to wheel hub (DNA)

M141.5

Stage 1

Nm

60

Stage 2

°

80

Repair materials

Number

Designation

Order number

BR00.45-Z-1009-06A

Multi-purpose paste

A 000 989 80 51

BR00.45-Z-1089-01A

Loctite 5900

A 002 989 73 20