Weda WP300 Instructions & Spare Parts Catalogue - Maintenance Procedures
14
MAINTENANCE PROCEDURES
Regular scheduled maintenance procedures will help to maintain
your pump's life and performance. Before performing any
maintenance, disconnect the pump from power source. MAKE
SURE THAT CABLE, PLUG AND SOCKET ARE ALL DRY AND
CLEAN. DO NOT MIX WATER AND ELECTRICITY.
Standard Maintenance Procedures
1.
Oil Change
a. Remove base, filter, pump cover, impeller and seal from
the bottom of the pump.
b. Remove oil seal in the centre of the oil cover.
c. Unscrew oil cover from base of pump.
d. Refill pump with 50 ml of new transmission oil.
The chamber should be approximately 80% full when done.
DO NOT OVERFILL OIL CHAMBER.
Shell Tellus T or higher is the recommended oil grade.
e. Cover oil chamber with new mechanical seal.
f. Replace all parts that were removed in their reversed order.
Consult "Machine Overview" for placement and order.
2.
Mechanical Seal Inspection
a. Follow all the steps outlined above in 'Oil Change' up to step 'C'.
b. Tilt pump at slight angle so that some oil is drained from oil
chamber.
c. Check oil for particles, water or any other impurities.
If there are impurities in the oil, or if oil appears to be 'milkish' in
appearance, remove mechanical seal and drain pump of all
remaining oil.
d. Refill pump with 50 ml of new transmission oil.
The chamber should be approximately 80% full when done.
DO NOT OVERFILL OIL CHAMBER.
Shell Tellus T or higher is the recommended oil grade.
e. Replace mechanical seals if worn, or if drained oil
has been contaminated.
f. Replace all parts that were removed in their reversed order.
Consult "Machine Overview" for placement and order.