Voltmaster TSP2, Owner'S Manual

Page: 13 / 18

Owner’s Manual 9
Voltmaster Trash Pumps
4 Troubleshooting
4.1 Common problems
For troubleshooting, check and resolve the following issues as needed. Contact the factory for
assistance if necessary (see Section 1.2,
Where to obtain service , page 1).
If the pump fails to prime:
■
The priming chamber might be empty or not sufficiently full
■
Liquid in priming chamber might be overheated
■
The direction of rotation might be reversed
■
Rotation speed might be too slow
■
The impeller or volute might be worn or broken
■
Delivery line might be under pressure
■
There could be air leaks in the suction-line or at joints in the line, loose screws at joints in the line,
or broken hoses in the line
■
There could be an air leak through a damaged mechanical seal
■
Quick-coupling gaskets might be broken or improperly mounted
■
Hose clamps might be loose or broken
If capacity is low:
■
The suction strainer might be clogged
■
The suction or delivery line might be obstructed
■
There could be high-friction losses in the suction line, which may require eliminating bends in
the line or restrictions from valves
■
The suction lift could be too high
■
The rotation speed might be too slow
■
The impeller might be clogged