ProMinent Sigma X Operating Instructions Manual page 68

Maintenance
Changing gear oil
Draining gear oil
2
Fig. 34: Vent screw (1)
68
1. Unscrew the vent screw (1).
2. Place an oil trough under the oil drainage plug (2).
3. Unscrew the oil drainage plug (2) from the power end housing.
1
4. Allow the gear oil to drain out of the power end.
3
5. Screw in the oil drainage plug (2) with a new seal.
Filling with gear oil
P_SI_0143_SW
Requirement: Gear oil in line with the "Ordering information" chapter is
available.
1. Start the pump.
2. Slowly pour gear oil through the vent screw (1) opening until the oil
inspection window (3) is half covered.
3. Allow the pump to run slowly for a further 1... 2 minutes.
4. Replace the vent screw (1).