S 600 (140.057) V12-6.0L (120.982) (1998)
Air Injection Pump Clutch: Description and Operation
Air Pump Electromagnetic Clutch, Position/Task/Design/Function
Air Pump Electromagnetic Clutch Position/Task/Design/Function
ENGINE 104.941
ENGINE 104.942
ENGINE 104.991
ENGINE 104.992
ENGINE 104.994
ENGINE 120.982
ENGINE 120.983
Y33
Air pump electromagnetic clutch
129/5
Spring plate
129/6
Belt pulley
129/9
Solenoid
Position
Behind belt pulley of air pump
Task
When actuated, connecting the air pump to the belt pulley driven by the poly V-belt.
Design/function
The voltage for the air pump electromagnetic clutch is supplied through the secondary air injection relay.
A magnetic field is produced when current flows through the coil of the solenoid. Belt pulley and air pump are positively connected by the moving parts
of the spring plate.