Remove/install brake disc

AR42.10-G-0220B

Remove/install brake disc

23.06.2017

Model

000.001 with rear axle 747.911 with front axle 737.910

Model

405.050/100/101/120/121

Model

437.420/425

Model

437.421/426 with rear axle 747.366 with front axle 737.366

Shown on front axle 737.570 with code X19 (Load rating II)

1

Wheel hub

2

Brake disk

3

Screw

Topical note

Notes on repairs to brake system

AH42.00-P-0003-01A

 

Remove/install

1

Drain oil from hub reduction gear

Front axle 737.366/571/910, rear axle 747.366/571/911



Front axle 737.366/910

AP33.00-G-3301C



Front axle 737.571

AP33.00-G-3301B



Rear axle 747.366/911

AP35.00-G-3501C



Rear axle 747.571

AP35.00-G-3501B

2

Remove brake disk

Front axle 737.570/571/910

AR42.10-G-0070B

Front axle 737.365/366

AR42.10-G-0070C

Rear axle 747.570/571/911

AR42.10-G-0080B

Rear axle 747.365/366

AR42.10-G-0080C

 Remove all brake calipers of relevant axle halves.

3

Remove sleeve of tire pressure control system

With CODE A30 (Tire pressure control system (tire control))

AR40.15-G-0400B

4

Undo bolts (3) of wheel hub (1)

 Hold wheel hub (1) with suitable tool to prevent turning.

 Installation: Tighten the bolts (3) in a diagonally opposite sequence.

 Front axle 737.36/57/910Screw/bolt, wheel hub to driven gear

*BA33.25-N-1008-01G

 Rear axle 747.36/57/911Bolt, wheel hub to driven gear

*BA35.20-N-1001-06J

5

Remove two opposite screws/bolts (3) of the wheel hub (1) and screw in assembly drifts

 Spring compressor

*424589001500

6

Remove the remaining bolts (3) of the wheel hub (1) and remove wheel hub (1)

7

Remove brake disk (2)

 Front axle 737.366/571/910, rear axle 747.366/571/911
Installation: When removing the brake disk (2) the cassette-type sealing ring of the output gear is damage and has to be replaced.
Install brake disk (2) with assembly tool.

 Assembly tool

*437589006100

8.1

Check driven gear's cassette-type sealing ring for signs of leak tightness and damage, if necessary replace the driven gear's cassette-type sealing ring

Front axle 737.365/570, rear axle 747.365/570

Long-life grease

*BR00.45-Z-1001-06A

 Assembly tool

*427589024300

8.2

Replace cassette-type sealing ring of driven gear

Front axle 737.366/571/910, rear axle 747.366/571/911

Long-life grease

*BR00.45-Z-1001-06A

 Assembly tool

*437589014300

9

Check brake disk thickness and condition of brake disks (2)



Front axle 737.57/910, rear axle 747.57/911

AP42.10-G-4251B



Front axle 737.36, rear axle 747.36

AP42.10-G-4251C

10

Install in the reverse order

11.1

Add oil to hub reduction gear

Front axle 737.366/571/910, rear axle 747.366/571/911



Front axle 737.571

AP33.00-G-3301B



Front axle 737.366/910

AP33.00-G-3301C



Rear axle 747.571

AP35.00-G-3501B



Rear axle 747.366/911

AP35.00-G-3501C

11.2

Check hub reduction gear oil level, correct if necessary

Front axle 737.365/570, rear axle 747.365/570
Only if the cassette-type sealing ring of the driven gear was replaced.



Front axle 737.570

AP33.10-G-3310B



FRONT AXLE 737.365

AP33.10-G-3310C



Rear axle 747.570

AP35.10-G-3510B



Rear axle 747.365

AP35.10-G-3510C

 Steering knuckle

Number

Designation

Front axle 737.365

Front axle 737.366

BA33.25-N-1008-01G

Screw/bolt, wheel hub to driven gear

Nm

300

300

 Steering knuckle

Number

Designation

Front axle 737.570

Front axle 737.571

BA33.25-N-1008-01G

Screw/bolt, wheel hub to driven gear

Nm

300

300

 Steering knuckle

Number

Designation

Front axle 737.910

BA33.25-N-1008-01G

Screw/bolt, wheel hub to driven gear

Nm

300

 Hub

Number

Designation

Rear axle 747.36

Rear axle 747.570/571

BA35.20-N-1001-06J

Bolt, wheel hub to driven gear

Nm

300

300

 Hub

Number

Designation

Rear axle 747.911

BA35.20-N-1001-06J

Bolt, wheel hub to driven gear

Nm

300

Repair materials

Number

Designation

Order number

BR00.45-Z-1001-06A

Long-life grease

A 000 989 63 51 11