Troubleshooting - section d – Gorman-Rupp Pumps 612L20B-B 806819 and up User Manual
Page 17
TROUBLE
POSSIBLE CAUSE
PROBABLE REMEDY
PUMP FAILS TO
PRIME
Strainer clogged.
Check strainer and clean if neces
sary.
Suction lift or discharge head too high.
Check piping installation and install
bypass line if needed. See INSTAL
LATION.
Leaking or worn seal or pump gasket.
Check pump vacuum. Replace
leaking or worn seal or gasket.
Lining of suction hose collapsed.
Replace suction hose.
Air leak in suction line.
Correct leak.
PUMP STOPS OR
FAILS TO DELIVER
RATED FLOW OR
PRESSURE
Air leak in suction line.
Correct leak.
Lining of suction hose collapsed.
Replace suction hose.
Suction intake not submerged at
proper level or sump too small.
Check installation and correct
submergence as needed.
Auxiliary priming device faulty or im
properly installed.
Check for and replace defective
unit.
OM-01919
60 SERIES
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. Lock out or disconnect the power
source 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.