MAHLE MCX-1, Operation Manual

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Page 16
WASTE PUMP IMPELLER REPLACEMENT
The waste pump impeller may require periodic replacement. The concentration of impurities in
recovered old coolant affects the life of the pump impeller. Changing the impeller is quick and
easy as follows:
1. Remove Hose Holder on rear of unit to access the end of the Waste Pump.
2. Remove screws.
3. Remove cover plate, gasket and worn impeller.
4. Coat new impeller with Vaseline ® petroleum jelly.
5. Align flats and press impeller onto shaft.
6. Attach new gasket and cover plate.
7. Replace Hose Holder.
3 3 3 3----Bolt Style Bolt Style Bolt Style Bolt Style 4 4 4 4----Bolt Style Bolt Style Bolt Style Bolt Style
Impeller & Gasket Impeller & Gasket
Part Number: 370-80165-00 Part Number: 370-80166-00
Cover Plate
Screw
Impeller
Gasket
Pump
Housing
Cover Plate
Screw
Impeller
Gasket
Pump
Housing