Remove/install brake disc

AR42.10-G-0220BB

Remove/install brake disc

04.02.2020

Model

405.102/103/105/110/122/123/125/200/201/202/220/221/222

Model

437.43 with rear axle 747.222/223 with front axle 737.222/223

Model

437.46 with rear axle 747.224 with front axle 737.224

1

Wheel hub

2

Brake disk

3

Screw

4

Screw

Topical note

Notes on self-locking nuts and bolts

AH00.00-N-0001-01A



Remove

1.1

Remove brake caliper from front axle.

When removing brake disk (2) on front axle.

Model 405.102/103/122/123/200/201/220/221, model 405.105/110/125/202/222 up to vehicle identification end number 260530, model 437.431/436 up to vehicle identification end number 262508, model 437.437/46

AR42.10-G-0070BB

Model 405.105/110/125/202/222 as of vehicle identification end number 260531, model 437.431/436 as of vehicle identification end number 262509

AR42.10-G-0070BH

1.2

Remove brake caliper from rear axle.

When removing brake disk (2) at rear axle.

Model 405.102/103/122/123/200/201/220/221, model 405.105/110/125/202/222 up to vehicle identification end number 260530, model 437.431/436 up to vehicle identification end number 262508, model 437.437/46

AR42.10-G-0080BB

Model 405.105/110/125/202/222 as of vehicle identification end number 260531, model 437.431/436 as of vehicle identification end number 262509

AR42.10-G-0080BH

2

Remove sleeve from tire pressure control system.

Only for vehicles with code A30 (Tire pressure control system (tire control))

AR40.15-G-0400B

3

Use suitable tool to counterhold wheel hub (1) and release screws (3, 4) of brake disk (2) and wheel hub (1).

4

Remove two screws (4) opposite on wheel hub (1) and screw-in guide pins.

 Guide bolts

*425589011500

5

Remove the remaining screws (4) from the wheel hub (1).

6

Remove wheel hub (1) and brake disk (2).

7

Remove screws (3) from brake disk (2) and remove wheel hub (1).

8

Remove radial shaft sealing ring in hub reduction gear.

Only on model 405 with rear axle 747.581/583/584/592/593 with front axle 737.581/583/592, model 437.4 with rear axle 747.222/223/224 with front axle 737.222/223/224

Front axle 737.222/223/224/581/583/592

AR33.25-G-0670BBN

Rear axle 747.222/223/224/581/583/584/592/593

AR35.25-G-0670BBN



Check

9

Check brake disk thickness and condition of brake disks.



Model 405

AP42.10-G-4251B



Model 437.4

AP42.10-G-4251C

10

Check radial shaft sealing ring of output gear for leak tightness and damage.

Only on model 405 with rear axle 747.580/582/590 with front axle 737.580/590

If problems occur,



Replace radial shaft sealing ring and coat with long-life grease.

Long-life grease

*BR00.45-Z-1001-06A

 Press-in tool

*437589114300



Install

11

Install radial shaft sealing ring in hub reduction gear.

Only on model 405 with rear axle 747.581/583/584/592/593 with front axle 737.581/583/592, model 437.4 with rear axle 747.222/223/224 with front axle 737.222/223/224

Front axle 737.222/223/224/581/583/592

AR33.25-G-0670BBN

Rear axle 747.222/223/224/581/583/584/592/593

AR35.25-G-0670BBN

12

Attach brake disk (2) to wheel hub (1) and tighten screws (3) lightly by hand.

13

Attach wheel hub (1) together with brake disk (2) using guide pins onto output gear and tighten screws (4) lightly by hand.

14

Remove guide pins and screw-in remaining screws (4).

15

Use suitable tool to counterhold wheel hub (1) and tighten screws (3, 4) in a crosswise pattern.

 Front axle 737.22/58/59Screw/bolt, wheel hub to driven gear

*BA33.25-N-1008-01G

 Rear axle 747.22/58/59Bolt, wheel hub to driven gear

*BA35.20-N-1001-06J

 Front axle 737.22/58/59Screw/bolt, brake disk to wheel hub

*BA42.10-N-1001-11I

 Rear axle 747.22/58/59Screw/bolt, brake disk to wheel hub

*BA42.10-N-1001-13G

16

Install sleeve of tire pressure control system.

Only for vehicles with code A30 (Tire pressure control system (tire control))

AR40.15-G-0400B

17.1

Install brake caliper onto front axle.

When installing brake disk (2) on front axle.

Model 405.102/103/122/123/200/201/220/221, model 405.105/110/125/202/222 up to vehicle identification end number 260530, model 437.431/436 up to vehicle identification end number 262508, model 437.437/46

AR42.10-G-0070BB

Model 405.105/110/125/202/222 as of vehicle identification end number 260531, model 437.431/436 as of vehicle identification end number 262509

AR42.10-G-0070BH

17.2

Install brake caliper onto rear axle.

When installing brake disk (2) on rear axle.

Model 405.102/103/122/123/200/201/220/221, model 405.105/110/125/202/222 up to vehicle identification end number 260530, model 437.431/436 up to vehicle identification end number 262508, model 437.437/46

AR42.10-G-0080BB

Model 405.105/110/125/202/222 as of vehicle identification end number 260531, model 437.431/436 as of vehicle identification end number 262509

AR42.10-G-0080BH



Check

18

Check oil level in hub reduction gear.



Model 405 with front axle 737.5

AP33.10-G-3310B



Model 437.4 with front axle 737.2

AP33.10-G-3310C



Model 405 with rear axle 747.5

AP35.10-G-3510B



Model 437.4 with rear axle 747.2

AP35.10-G-3510C

 Steering knuckle

Number

Designation

Front axle 737.221/222/223/224

Front axle 737.580/581/590/592

BA33.25-N-1008-01G

Screw/bolt, wheel hub to driven gear

Nm

600

600

 Steering knuckle

Number

Designation

Front axle 737.583

BA33.25-N-1008-01G

Screw/bolt, wheel hub to driven gear

Nm

600

 Hub

Number

Designation

Rear axle 747.22

Rear axle 747.580/581/582/584/590/592/593

BA35.20-N-1001-06J

Bolt, wheel hub to driven gear

Nm

600

600

 Hub

Number

Designation

Rear axle 747.583

BA35.20-N-1001-06J

Bolt, wheel hub to driven gear

Nm

600

 Front axle brake disks

Number

Designation

MODEL 405.102/ 122/200/210/220/ 230

Model 405.103/105/110/123/125/201/202/221/222

BA42.10-N-1001-11I

Screw/bolt, brake disk to wheel hub

Nm

400

400

 Front axle brake disks

Number

Designation

Model 437.431/436/437

Model 437.465/467

BA42.10-N-1001-11I

Screw/bolt, brake disk to wheel hub

Nm

400

400

 Rear axle brake disks

Number

Designation

Model 405.102/122/200/210/220/230

Model 405.103/105/110/123/125/201/202/221/222

BA42.10-N-1001-13G

Screw/bolt, brake disk to wheel hub

Nm

400

400

 Rear axle brake disks

Number

Designation

Model 437.465/467

Model 437.431/436/437

BA42.10-N-1001-13G

Screw/bolt, brake disk to wheel hub

Nm

400

400

Repair materials

Number

Designation

Order number

BR00.45-Z-1001-06A

Long-life grease

A 000 989 63 51 11