Pump Rental Booklet - Catalog - Page 134
Checks & Trouble Shooting
Check pump before starting
a) Make sure pump will turn freely
b) Check driver and pump rotations agree with driver uncoupled
c) Make sure bearings are adequately charged with clean lubricant
d) Make sure any external lubricating, cooling, sealing etc. services and
connections are turned on and operative
e) Check that pump runs without undue heating, noise or vibration;
otherwise refer to detailed operating instructions for possible defects and
rectify accordingly
Pump will not start
Use the engine or motor manufacturer’s guide supplied with the pump
Pump will not discharge
a) Check for closed valves in discharge line
b) Check for kinks and blockages in discharge line
c) Check the total head against pump performance specification
Noise and/or vibration
a)
b)
c)
d)
e)
f)
g)
Delivery is too high (speed high or head low) Try closing delivery valve
Suction lift too high for liquid temperature
Blocked suction line or impeller
Air or gas in liquid
Misalignment
Worn or defective bearings
Refer to Selwood with full details if cause of defect cannot be traced
