ar4220s0540e

Adjust parking brake

Type ar · emne 42.20 · version 0300 · 2018-01-08

Gælder for: Model 447.8, 448.8

Ikke tilgængelig på “da”; vises på Engelsk.

Placering

Funktionsgruppe 2 Chassis › 42 Bremsehydraulik og -mekanik › 42.20 Parkeringsbremse — Serie 447 (modeller 8**) · Serie 448 (modeller 8**)

EinPAS 21 bremser/vakuumsystem/trykluftsystem › 21.16 Parkeringsbremse › 21.16.5 parkeringsbremse komplet — Serie 447 (modeller 8**) · Serie 448 (modeller 8**)

AR42.20-S-0540E

Adjust parking brake

19.12.2017

Model

447.8, 448.8

Modification notes

29.11.2017

Work procedure adapted

Operation steps 1 to 9

Adjust parking brake

61

Brake disk

105a

Thumbwheel

P42.20-2141-04

Danger

Risk of death caused by vehicle slipping or toppling off of the lifting platform.

Align vehicle between vehicle lift columns and position the four support plates at the vehicle lift support points specified by the vehicle manufacturer.

AS00.00-Z-0010-01A

Topical note

Special instructions for lifting and supporting vehicle

AH00.60-N-0100-01A

Remove

1

Connect diagnostic system and move parking brake to assembly position

AD00.00-S-2000-04E

To do so, follow the procedure in the menu "Electric parking brake (EFB) control unit".

2

Raise vehicle

AR00.60-S-1000E

3.1

Remove one wheel bolt from each rear wheel

Model 447.8
with code RS3 (Steel rims 6.5 J x 16)
Model 447.8
with code RS7 (Steel wheels 6.5 J x 17)

3.2

Remove rear road wheels

Model 447.8
except code RS3 (Steel rims 6.5 J x 16)
except code RS7 (Steel wheels 6.5 J x 17)
Model 448.8

AR40.10-S-1100E

Adjust

4

Adjust parking brake

Turn the adjustment wheel (105a) until the wheel or the brake disk (61) locks. Then turn the adjustment wheel (105a) by 7 teeth in the opposite direction. The wheel freewheel must be guaranteed in the process.

If necessary

Turn the wheel or brake disk (61) slightly until the adjustment wheel (105a) is accessible through the threaded hole.

Install

5.1

Screw in wheel bolts and tighten

Model 447.8
with code RS3 (Steel rims 6.5 J x 16)
Model 447.8
with code RS7 (Steel wheels 6.5 J x 17)

Steel rim wheel bolt

*BA40.10-N-1001-01H

5.2

Fit rear wheels

Model 447.8
except code RS3 (Steel rims 6.5 J x 16)
except code RS7 (Steel wheels 6.5 J x 17)
Model 448.8

AR40.10-S-1100E

6

Deactivate assembly position of parking brake using diagnostic system

To do so, follow the procedure in the menu "Electric parking brake (EFB) control unit".

7

Run teach in and brake break-in procedure for electric parking brake using diagnostic system

When replacing brake disks (61) or brake shoes of parking brake.

000 588 05 21 00 Roller brake test stand

WS42.00-P-0006B

To do so, follow the procedure in the menu "Electric parking brake (EFB) control unit".

8

Detach diagnostic system

Check

9

Check that parking brake is functioning correctly

AP42.00-S-4290E

Depending on findings

Repeat adjustment procedure.

Wheels

Number

Designation

Model 447, 448

BA40.10-N-1001-01H

Steel rim wheel bolt

Nm

200

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