300E 4MATIC (124.230) L6-3.0L (103.985) (1990)
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Compressor/Pump: Service and Repair
R AND R PRESSURE OIL PUMP
Note
As a spare part, the pressure oil pump is available only in the version for hydropneumatic suspension. part No.117 230 OD 64. Pump is marked with
the letters HPF-E on front bearing cap adjacent to production code number and with a blue dot (arrow).
Attention!
Pressure oil pumps MB and Teves operate on self-lubrication, that is, the delivered oil serves simultaneously as lubricant.
In the event of a defect on level control system which leads to complete loss of hydraulic oil, and when vehicle cannot be repaired immediately, make
sure that pressure oil pump Teves is not drawing any air. If required, remove driver of pump drive.
On engines 615, 616, 617 and 117 do not remove driver with pressure oil pump MB in the event of a defect on level control system, since otherwise
the running engine will damage the intermediate gear shaft and the camshaft of the pump.
Removal
1
Disconnect expanding hose of pressure line (B1) and hose of suction line (A) on pressure oil pump. Close connection of suction line by means of
plug.
