Troubleshooting - section d – Gorman-Rupp Pumps T10A65S-6068T 1413937 and up User Manual
Page 24
OM−06198
SUPER T 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 man-
ual.
2. Shut down the engine and discon-
nect 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.
Table 1. Trouble Shooting Chart
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.
Correct leak.
Replace suction hose.