Remove/install brake linings

AR42.10-W-1040B

Remove/install brake linings

11.9.06

15.8.06

Work procedure revised



Removing

1

Remove wheels

AR40.10-W-1100A

2

Remove brake drum

Model 675, 676, 677, 679

AR42.10-W-1010B

Model 970, 972, 976 front axle

AR42.10-W-1010C

Model 970, 972, 976 rear axle

AR42.10-W-1010F

3

Remove brake shoes (3)

Model 675, 676, 677, 679

AR42.10-W-1020C

Model 970, 972, 976

AR42.10-W-1020D

4

Remove sensor for brake wear indicator

 On vehicles with code J53 (brake lining wear indicator) only

AR42.10-W-1040-02A

5

Drill out closing heads of rivets (1) and remove brake linings (2)

 Always replace brake linings (2) on an axle by axle basis.



Checking

6

Check brake drum

Model 675, 676, 677, 679

AR42.10-W-1090B

Model 970, 972, 976

AR42.10-W-1090C



Install

7

Determine required brake lining thickness

 Select the brake lining thickness according to the brake drum diameter.

Model 675, 676, 677, 679:



Brake drum diameter

*BE42.10-N-1001-12C

Brake lining thickness

*BE42.10-N-1002-13C

Model 970, 972, 976:



Brake drum diameter

*BE42.10-N-1001-12E

Brake lining thickness

*BE42.10-N-1001-13E

8

Rivet on new brake linings (2)

 Check contact surface of brake linings (2) on brake shoes (3), if necessary recondition or replace brake shoes (3).

AR42.10-W-1040-01A

Model 675, 676, 677, 679

*BE42.10-N-1001-13C

Model 970, 972, 976

*BE42.10-N-1005-13E



Guidelines for riveting brake linings

AH42.10-N-0006-01A

9

Skim brake linings (2)

AR42.10-W-1110B

10

Install sensor for brake wear indicator

 On vehicles with code J53 (brake lining wear indicator) only

AR42.10-W-1040-02A

11

Install brake shoes (3)

Model 675, 676,677, 679

AR42.10-W-1020C

Model 970, 972, 976

AR42.10-W-1020D

12

Install brake drum

Model 675, 676, 677, 679

AR42.10-W-1010B

Model 970, 972, 976 front axle

AR42.10-W-1010C

Model 970, 972, 976 rear axle

AR42.10-W-1010F

13

Mount wheels

AR40.10-W-1100A

Number

Designation

Model
675, 676, 677, 679

BE42.10-N-1001-12C

Brake drum diameter

Normal

mm

364 (+0.2)

Repair size I

mm

365.5 (+0.2)

Repair size II

mm

367 (+0.2)

Wear limit

mm

368.5

Number

Designation

Model
970, 972, 976 drum brake with wedge design

BE42.10-N-1001-12E

Brake drum diameter

Normal

mm

364 (+0.2)

Repair size I

mm

365.5 (+0.2)

Repair size II

mm

367 (+0.2)

Wear limit

mm

368.5

Number

Designation

Model
675, 676, 677, 679

BE42.10-N-1001-13C

Rivet dia. 8 mm

Preload force

N

300

Riveting force

N

24000

BE42.10-N-1002-13C

Brake lining thickness

Regular (A)

mm

16

Repair size I

mm

16.8

Repair size II

mm

17.6

Minimum lining thickness (B)

mm

5

Number

Designation

Model
970, 972, 976 drum brake with wedge design

BE42.10-N-1001-13E

Brake lining thickness

Regular (A)

mm

16

Repair size I

mm

16.8

Repair size II

mm

17.6

Minimum lining thickness (B)

mm

5

See picture

-

BE42.10-N-1005-13E

Rivet, 8 mm dia.

Preload force

N

300

Riveting force

N

24000