C 280 (202.029) V6-2.8L (112.920) (1999)
/v6-2.8l_(112.920)/Page-2540001.png)
Power Steering Pump: Description and Operation
Standard Pump
Identification Plate
Operation
Operation
NOTE: Numbers in parentheses ( ) indicate a component or tool in the associated illustration.
The drive shaft (11) is held by plain bearings in the pump flange (4)
It has gear teeth, on which the rotor (7), also toothed, is placed
The rotor is secured on the drive shaft via a snap ring (18)
There are 10 individual cells (slots) in the rotor (7) in which the 10 vanes (16) move smoothly
An internal oval-shaped curved ring (6) is located around this unit
The cam insert (6), in which the rotor moves, is surrounded by two pressure plates
