SL 600 (129.076) V12-6.0L (120.981) (1995)
Vacuum Pump: Testing and Inspection
Preliminary operation:
Check function of central locking, See: Body Control Systems/Testing and Inspection/Component Tests and General Diagnostics
Prepare for testing
Numbers 1 - 3.
Check supply pump vacuum
> 450 mbar in <= 3 seconds.
Check supply pump pressure
> 450 mbar in <= 3 seconds.
Check the safety switching time by separating the supply pump from the line system
< 30 seconds with central locking and interior central locking.
< 70 seconds for the auxiliary consumers, vacuum, and orthopaedic backrest.
Special tool
Parts for the test
Reservoir
107 800 08 19
Distributor piece
117 078 01 45
Sealing cap
000 987 11 45
Preparing test
1
Connect reservoir with distributor piece to the tester for vacuum and pressure Systems.
2
Remove supply pump and seal pneumatic distributor plug. (Do not remove cable harness). See: Service and Repair