Troubleshooting - section d – Gorman-Rupp Pumps 16D60-F3L 1318307 and up User Manual
Page 17
OM-05534
10 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. Switch off engine ignition and dis
connect the positive battery cable 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.
TROUBLE
POSSIBLE CAUSE
PROBABLE REMEDY
PUMP FAILS TO PRIME
Not enough liquid in casing.
Suction check valve contaminated or
damaged.
Air leak in suction line.
Lining of suction hose collapsed.
Leaking or worn seal or pump gas
ket.
Suction lift or discharge head too
high.
Strainer clogged.
Add liquid to casing. See PRIMING.
Clean or replace check valve.
Correct leak.
Replace suction hose.
Check pump vacuum. Replace leak
ing or worn seal or gasket.
Check piping installation and install
bypass line if needed. See INSTAL
LATION.
Check strainer and clean if neces
sary.
PUMP STOPS OR FAILS
TO DELIVER RATED
FLOW OR PRESSURE
Air leak in suction line.
Lining of suction hose collapsed.
Leaking or worn seal or pump gas
ket.
Strainer clogged.
Suction intake not submerged at
proper level or sump too small.
Correct leak.
Replace suction hose.
Check pump vacuum. Replace
leaking or worn seal or gasket.
Check strainer and clean if neces
sary.
Check installation and correct sub
mergence as needed.