Bleed clutch actuation system

AR25.20-S-0072P

Bleed clutch actuation system

06.03.2020

Model

470 with transmission 700.78

Model

471 with transmission 700.78

Shown on model 470 with engine 699

1

Vent valve

3

Hose

2

Clutch slave cylinder

 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

 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 working on clutch operating system

AH25.20-N-0003-01TS

Topical note

Special instructions for lifting and supporting vehicle

AH00.60-N-0100-01P

Topical note

Brake fluid notes

AH42.50-P-0001-01A

Note on calculation of tightening torque when using insertion or socket tools with various effective lengths

AH00.00-P-0015-01CW

Bleeding

1

Clean area surrounding brake fluid reservoir and remove cap from brake fluid reservoir

Assembly cleaner

*BR00.45-Z-1028-04A

2

Attach filling unit with adapter at brake fluid reservoir and fill new brake fluid up to Max marking in brake fluid reservoir



000 588 01 82 00 Filling unit

WS25.00-P-0016B

 Note operator's manual for filling unit.

 Brake fluid filling capacity

*BF42.10-N-1001-01P

 Adapter

*470589269100

3

Raise vehicle

AR00.60-S-1000-04P

4

Remove rear center and middle lower engine compartment paneling

AR61.20-S-1105P

5

Remove dust cap from bleed valve(1)

6

Plug hose(3) of bleed bottle onto bleed valve(1)

 Commercially available devices/tools
Bleed bottle

7

Set pressure on filling unit to 2.0 bar and switch on filling unit

8

Open bleed valve(1)

 Leave bleed valve(1) open until clean brake fluid flows out free of bubbles.

9

Close the bleed valve(1)

 Commercially available devices/tools
Insertion tool

 Vent valve at clutch slave cylinder

*BA25.20-N-1001-01R

10

Detach hose(3) of bleed bottle from bleed valve(1)

 Commercially available devices/tools
Bleed bottle

11

Fit dust cap onto bleed valve(1)

12

Switch off filling unit

13

Install lower rear and center engine compartment paneling

AR61.20-S-1105P

14

Lower vehicle

15

Disconnect filling unit with adapter from brake fluid reservoir



000 588 01 82 00 Filling unit

WS25.00-P-0016B

 Adapter

*470589269100

16

Check fill level in brake fluid reservoir, correct if necessary



AP42.10-S-4210P

 Commercially available devices/tools
Suction bellows

 Brake fluid filling capacity

*BF42.10-N-1001-01P

17

Fit cap onto brake fluid reservoir

 Clutch operating system

Number

Designation

Model 470, 471

BA25.20-N-1001-01R

Vent valve at clutch slave cylinder

Nm

8

 Brake fluid

Number

Designation

Model 470, 471

BF42.10-N-1001-01P

Brake fluid filling capacity

l

 1

Sheet

BB00.40-P-0330-01A

Sheet

BB00.40-P-0331-00A

Repair materials

Number

Designation

Order number

BR00.45-Z-1028-04A

Assembly cleaner

A 000 986 56 01