TROUBLE POSSIBLE CAUSE PROBABLE REMEDY
PUMP FAILS TO
PRIME
PUMP STOPS OR
FAILS TO DELIVER
RATED FLOW OR
PRESSURE
0 SERIES
OM−02806
TROUBLESHOOTING PAGE D − 1
TROUBLESHOOTING − SECTION D
Review all SAFETY information in Section A.
Before attempting to open or service the
pump:
1. Familiarize yourself with this manual.
2. Shut down the engine and disconnect
the positive battery cable to ensure
that the pump will remain inoperative.
3. Allow the pump to completely cool if
overheated.
4. Check the temperature before open-
ing any covers, plates, or plugs.
5. Close the suction and discharge
valves.
6. Vent the pump slowly and cautiously.
7. Drain the pump.
Not enough liquid in casing. Add liquid to casing. See PRIMING,
Section B.
Air leak in suction line. Correct leak.
Lining of suction hose collapsed. Replace suction hose.
Leaking or worn seal or pump gasket. Check pump vacuum. Replace leak
-ing or worn seal or gasket.
Suction valve(s) closed or clogged. Open or clean valve(s).
Suction lift or discharge head too high. Check piping installation and
install bypass line if needed. See
INSTALLATION.
Strainer clogged. Check strainer and clean if necessary.
Air leak in suction line. Correct leak.
Suction intake not submerged at Check installation and correct sub-
proper level or sump too small. mergence as needed.
Lining of suction hose collapsed. Replace suction hose.
Impeller or other wearing parts worn or Replace worn or damaged parts.
damaged. Check that impeller is properly
centered and rotates freely.
To Next Page
Loading...
