ar4210d0230fa

Remove/install front axle brake disk

Type ar · topic 42.10 · version 0201 · 2018-03-29

Applies to: Model 909.63

Where it sits

Function group 2 Chassis › 42 Brakes - hydraulic and mechanical systems › 42.10 Service brake — Series 909 (models 63*)

EinPAS 21 Brakes/vacuum system/compressed-air system › 21.15 Service brake/vacuum system › 21.15.40 Service brake, front — Series 909 (models 63*)

AR42.10-D-0230FA

Remove/install front axle brake disk

28.03.2018

Model

909.63

Modification notes

26.06.2013

Brake caliper support screw/bolt

BA42.10-N-1001-10A

Remove/install front axle brake disk

Shown on left

1

Screw

2

Caliper support

3

Brake disk

4

Screws (2 ea.)

5

Brake linings

D42.10-1170-06

Danger

Risk of accident when commissioning the vehicle due to a lack of braking effect when the service brake is operated for the first time after repair work.

Before starting the engine, actuate brake pedal several times until pressure is built up and maintained in the brake system.

AS42.50-Z-0002-01A

Caution

Risk of poisoning from swallowing brake fluid. Risk of injury from skin and eye contact with brake fluid

Only pour brake fluid into suitable and appropriately marked containers. Wear protective clothing and eye protection when handling brake fluid.

AS42.50-Z-0001-01A

Topical note

Notes on self-locking nuts and bolts

AH00.00-N-0001-01A

Topical note

Notes on repairs to brake system

AH42.00-P-0003-01A

Topical note

Notes on evaluating brake disks

AH42.10-N-9406-07B

Topical note

Brake fluid notes

AH42.50-P-0001-01A

Remove/install

1

Remove brake pads (5)

AR42.10-D-1600FA

2

Remove bolts (1) and remove brake caliper support (2)

Installation: Replace screws/bolts (1).

Bolt for brake caliper support

*BA42.10-N-1001-10A

3

Remove bolt (4)

Installation: Replace screw/bolt (4).

For securing, fit two wheel studs and counterhold brake disk (3) with assembly tool.

Brake disk bolt

*BA42.10-N-1001-11A

4

Remove brake disk (3)

5

Check brake disk (3) for damage and wear, replace if necessary

Brake disk

*BE42.10-N-1001-08B

6

Install in the reverse order

7

Check brake system for leaks

AR42.10-D-0100-01F

8

Check fluid level in the brake fluid reservoir, correct if necessary

AP42.50-D-4210F

Check values for front axle brake disks

Number

Designation

Model 909

BE42.10-N-1001-08B

Brake disk

Thickness when new

mm

22

Wear limit

mm

19

Lateral runout

mm

 0,05

Flatness deviation

mm

 0,02

Repair limit dimension

mm

-

Front axle brake caliper

Number

Designation

Model 909

BA42.10-N-1001-10A

Bolt for brake caliper support

M141.5

Nm

170

Front axle brake disks

Number

Designation

Model 909.63

BA42.10-N-1001-11A

Brake disk bolt

Nm

23

Referenced documents