Troubleshooting - section d – Gorman-Rupp Pumps PA6C60C-F4L 1318119 thru 1504810 User Manual
Page 19
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.
Discharge check valve contami
nated, damaged, or unable to seat.
Clean or replace check valve.
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.
Leaking or worn seal or pump gasket.
Check pump vacuum. Replace
leaking or worn seal or gasket.
Air compressor damaged or belts bro
ken.
Check and repair/replace.
Eductor clogged.
Check and clean eductor.
PA SERIES
OM-05768
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 man
ual.
2. Turn the keyswitch to `OFF', 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
opening any covers, plates, or
plugs.
5. Close the suction and discharge
valves.
6. Vent the pump slowly and cau
tiously.
7. Drain the pump.
This pump is equipped with an automat
ic starting system, and is subject to au
tomatic restart. Keep hands and cloth
ing away from the unit to prevent injury
during automatic operation. Disconnect
the positive battery cable before per
forming any maintenance. Failure to do
so may result in serious personal injury.