Fill with oil
1. Replace the oil screw O-ring.
2. Put one of the oil screws back and tighten it.
3. Turn the pump so that the oil hole faces upwards and fill with new oil.
Quantity for version code 181/051: 2 L (2.1 qt.)
Quantity for version code 320/690: 1.7 L (1.8 qt.)
4. Put the oil screw back and tighten it.
Tightening torque: 10–40 Nm (7.4–30 ft-lbs)
Replace the impeller
Remove the impeller
WARNING:
A worn impeller and/or pump housing can have very sharp edges. Wear protective gloves.
1. Lay the pump on its side.
Maintenance
34 2125 Installation, Operation, and Maintenance Manual