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Troubleshooting - section d – Gorman-Rupp Pumps PA6C60C-F4L 1318119 thru 1504810 User Manual

Page 19

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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.