Pump
Will Not Turn—Locked |
| Possible
Causes | |
What To Do
| |
|
| Foreign matter in pump
| |
Clean out pump. Install / clean strainer in suction line. |
|
|
| Blades/vanes broken |
| Clean out pump carefully
and replace blades. If pump has been operated dry, then check for damage to cam
and rotor shaft assembly. |
|
|
| Blade/vane drivers broken
| |
Clean out pump carefully and replace. |
|
|
| Bearing seized |
| Clean or replace pump
bearings. Grease monthly using ball bearing grease manufactured for internal service.
|
|
| |
Moisture frozen in pump |
| Thaw and break loose carefully.
Add alcohol to tank (on LP-gas). Check with product supplier about possibility
of water in gas. |
|
|
| Improperly aligned drive
system | |
Can cause premature seal, bearing and sideplate failure. |
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