ar4210s1700s

Removing, checking and installing rear axle brake pads

ประเภท ar · หัวข้อ 42.10 · เวอร์ชัน 0400 · 2018-10-23

ใช้กับ: Model 636, 639

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กลุ่มฟังก์ชัน 2 Chassis › 42 Brakes - hydraulic and mechanical systems › 42.10 Service brake — ซีรีส์ 636 · ซีรีส์ 639

EinPAS 21 Brakes/vacuum system/compressed-air system › 21.15 Service brake/vacuum system › 21.15.42 Service brake, rear — ซีรีส์ 636 · ซีรีส์ 639

AR42.10-S-1700S

Removing, checking and installing rear axle brake pads

09.10.2018

Model

636, 639

Modification notes

15.12.2015

Perform brake test on dynamometer, added

Operation step 23

26.09.2018

Brake lining wear limit

BE42.10-N-1001-11E

Removing, checking and installing rear axle brake pads

S42.10-4514-09

Shown on right side of vehicle

10

Brake fluid reservoir

33

Floating brake caliper carrier

L6/3

Left rear rpm sensor

10a

Cap

33a

Bolts

L6/4

Right rear rpm sensor

31

Floating caliper

35

Brake cover plate

S10/3

Brake pad contact sensor, left rear

31c

Screw

51

Brake hose

S10/4

Brake pad contact sensor, right rear

31h

Electrical connector

73

Rear axle spring

Removing, checking and installing rear axle brake pads

31

Floating caliper

31g

Brake linings

51

Brake hose

61

Brake disk

72

Semi-trailing arm

S42.10-4515-06

Warning

Risk of injury. Skin or eye injuries may result when handling hot or glowing objects.

Wear protective gloves, protective clothing and safety glasses, if necessary.

AS00.00-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

Brake fluid notes

AH42.50-P-0001-01A

Remove

1

Unscrew cap (10a) from brake fluid reservoir (10) and extract some brake fluid

2

Remove complete wheel

AR40.10-S-1100S

3

Release and disconnect electrical connection (31h)

4

Remove bolts (31c)

5

Remove floating brake caliper (31) from carrier for floating brake caliper (33) and place to one side with connected brake hose (51)


Do not tension or kink brake hose (51). Fasten floating brake caliper (31) free of tension to vehicle to relieve the brake hose (51).
Otherwise, the brake hose (51) will be damaged.

6

Remove brake pads (31g) from floating caliper carrier (33)

Check

7

Check brake disks (61)

Topical note

Notes on evaluating brake disks

AH42.10-N-9406-07B

Brake disk thickness

*BE42.10-N-1001-09B

Depending on findings

Replace brake disks (61).


AR42.10-S-0240S

8

Check brake linings (31g)

Brake lining wear limit

*BE42.10-N-1001-11E

Depending on findings

Replace brake linings (31g).

9

Check brake hose (51)

If damaged or fractured

Replace brake hose (51).


AR42.10-S-0013SH

10

Press back piston of floating brake caliper (31)


The dust boot may not protrude here.
Otherwise, the dust boot will be damaged.

Resetting device

*000589524300

If piston is sluggish or dust boot damaged.

Replace floating brake caliper (31).


AR42.10-S-0080S

11

Remove sliding plates for brake linings (31g)

12

Check sliding plates for brake linings (31g)

If damage is detected

Replace sliding plates for brake linings (31g).

Clean

13

Clean contact surfaces of brake linings (31g) on carrier for floating brake caliper (33) and on floating brake caliper (31)

Brake caliper brush

*000589266800

Install

14

Install sliding plates for brake linings (31g)

15

Install brake linings (31g)

Install the brake pads (31g) with left rear brake pad contact sensor (S10/3) and right rear brake pad contact sensor (S10/4) on the outside.

16

Mount floating brake caliper (31) onto carrier for floating brake caliper (33)

17

Screw in bolts (31c)

Replace the bolts (31c).

Screw/bolt, floating brake caliper to floating caliper carrier

*BA42.10-N-1002-12H

18

Connect electrical connection (31h)

Ensure electrical line is routed correctly.

19

Remove rear complete wheel

AR40.10-S-1100S

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

20

Press brake pedal several times until the brake linings (31g) make contact with brake disks (61)

21

Check brake fluid level in brake fluid reservoir (10) and correct, if necessary

AP42.10-S-4210A

22

Screw cap (10a) onto brake fluid reservoir (10)

Check

23

Carry out brake test on the test stand

AP42.00-D-4290A

Check values for rear axle brake disks

Number

Designation

Model 636

Model 639

BE42.10-N-1001-09B

Brake disk thickness

New

mm

10

10

Wear limit

mm

8

8

Max. lateral runout

mm

0,15

0,15

Max. axial runout

mm

0,03

0,03

Repair limit dimension

mm

-

-

Check values for brake caliper brake lining

Number

Designation

Model 636

Model 639

BE42.10-N-1001-11E

Brake lining wear limit

mm

3,5

3,5

Rear axle brake caliper

Number

Designation

Model 636.705/813

Model 639.601/603/605/701/703/705/711/713/811/813/815

BA42.10-N-1002-12H

Screw/bolt, floating brake caliper to floating caliper carrier

Nm

32

32

Removing, checking and installing rear axle brake pads
Removing, checking and installing rear axle brake pads

000 589 26 68 00

Brake caliper brush

000 589 52 43 00

Resetting device

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