Adjust parking brake

AR42.20-D-0540B

Adjust parking brake

2.7.96

23.3.99

Setting procedure revised

23.3.99

Setting instructions modified

Step 2 modified

AR42.20-D-0540-02B

23.3.99

Setting instructions modified

Step 2 modified

AR42.20-D-0540-02A

23.3.99

Setting instructions modified

Work steps 2, 6 and 7 modified

AR42.20-D-0540-01A

22.10.04

Setting instructions modified

Work steps 6 and 7 added

 

Remove/install

1

Run in parking brake before test and setting procedure

Run in parking brake with a braking force of approx. 1000 N for max. 60 seconds on brake test stand.

Alternatively, accelerate vehicle to 60 km/h and apply hand brake lever slightly for approx. 8 seconds.

 Do not thermally overload brake.

2.1

Remove rear wheels

Model 904 up to #R 553937

AR40.10-D-1100A

Model 667

*BA40.10-N-1001-01B

Adjust

3

Slacken clamp screw (5) at eccentric

 Reset eccentric all the way to the stop

4

Adjust basic clearance for parking brake

Model 904 up to #R 553937

AR42.20-D-0540-02B

Model 904 as from #R 553938

AR42.20-D-0540-02C



*904589096300

5

Adjust parking brake cables

AR42.20-D-0540-01A

6

Tighten hand brake lever 10 times

Model 904

 If possible tighten to 16th notch.

7

Adjust parking brake cables

Model 904

AR42.20-D-0540-01A

8

Install in the reverse order

Number

Designation

Model 667

Model
690.6,
901, 902, 903, 904

BA42.20-N-1002-01A

Bolt, pressure transformer unit for brake cables to frame crossmember

Nm

25

25

Number

Designation

Model 667, 668, 670

BA40.10-N-1001-01B

Lug nut

M14x1.5

Nm

180

M18x1.5

Nm

250