Gorman-Rupp Pumps 06C1-GHH 1071445 and up - Manual (Page 23)

TROUBLE POSSIBLE CAUSE PROBABLE REMEDY
PUMP FAILS TO
PRIME
PUMP STOPS OR
FAILS TO DELIVER
RATED FLOW OR
PRESSURE
0 SERIES OM-03179
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. Switch off the vehicle ignition and re­
move the key, or take other action to
ensure that the pump will remain in­
operative.
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.
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.
Strainer clogged. Check strainer and clean if necessary.
Air leak in suction line. Correct leak.
Strainer clogged. Check strainer and clean if necessary.
Pump speed too slow. Check driver output.
Lining of suction hose collapsed. Replace suction hose.
Discharge line clogged or restricted; Check discharge lines; straighten
hose kinked. hose.