Check vacuum pump

AR43.05-D-1325TS

Check vacuum pump

27.06.2019

Model

907, 910

1

Check valve

2

Brake booster

3

Test connection

4

Test hose

 Warning

Risk of accident from vehicle starting off by itself when engine running. Risk of injury (bruises and burns) resulting from working on the engine while it is being started or when it is running.

Secure vehicle to prevent it from starting off by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts.

AS00.00-Z-0005-01A



Check

1

Remove check valve (1) from brake booster (2)

2

Mount test connection (3) onto brake booster (2)

 Test connection

*168589086300

3

Mount test hose (4) of vacuum tester onto test connection (3)

 Test connection

*168589086300

 Vacuum tester

*201589132100

4

Mount check valve (1) onto test connection (3)

 Test connection

*168589086300

5

Start engine

 Run engine for at least 30 s in neutral.

6

Read off measurement value on vacuum tester

Vacuum in hose after 30 s of engine running or after 30 s of electric vacuum pump actuation

*BE43.05-N-1001-01TS

If the specified vacuum is not reached.



Check vacuum lines and vacuum pump for damage and leakage. If necessary, replace affected component parts.

Model 907 with engine 642

AR43.05-D-1320TSV

Model 907 with engine 651

AR43.05-D-1320TSR

Model 910 with engine 651

AR43.05-D-1320TSF

7

Turn off engine

8

Remove check valve (1) from test connection (3)

 Test connection

*168589086300

9

Remove test hose (4) of vacuum tester from test connection (3)

 Test connection

*168589086300

 Vacuum tester

*201589132100

10

Remove test connection (3) from brake booster (2)

 Test connection

*168589086300

11

Mount check valve (1) onto brake booster (2)

Check values for vacuum pump, check valve

Number

Designation

Model 907, 910

BE43.05-N-1001-01TS

Vacuum in hose after 30 s of engine running or after 30 s of electric vacuum pump actuation

to check valve

bar

 0,5

to vacuum pump

bar

 0,92