Measure and adjust clearance of multidisk brake B08

AR27.51-S-7230-02EA

Measure and adjust clearance of multidisk brake B08

Topical note

General information on repair work on transmission

AH27.00-S-1000-01PS

Transmission

725.0 in model 447, 448

Adjustment values for multidisk clutch/multidisk brake

Number

Designation

Transmission 725.0

BE27.51-P-1003-01E

Clearance in multidisk brake B08

Contact force for clearance adjustment

F1

N

600

Number of internal plates

3

mm

1,6…1,8

4

mm

1,8…2,0

1

Position torque converter housing with clutch B08 onto workshop press.

 Commercially available devices/tools
Workshop press

2

Attach  pressure cylinder and  drifts to the  pressure tester (1).

3

 Place pressure tester (1) onto clutch pack and use workshop press to apply a force of 600 N.

4

Place two  parallel gauges (4) onto inner plate carrier.

5

Position digital vernier caliper (3) on  parallel gauges (4).

 Commercially available devices/tools
Digital vernier caliper

6

Move measuring rod (2) to end disk (5) and reset digital vernier caliper (3) to a value of 0 mm.

7

 Remove thrust device from clutch pack.

8

Place two  parallel gauges (4) on the inner plate carrier.

9

Position digital vernier caliper (3) onto  parallel gauges (4) above end disk (5).

10

Use hand to pull end disk (5) upwards against snap ring.

11

Move to end disk (5) with measurement rod of digital vernier caliper (3), read off measured dimension and note down.

12

Compare actual value with specified value in set value table and adjust clearance using corresponding snap ring.