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Troubleshooting – Gorman-Rupp Pumps 16D60-F3L 1270259 thru 1318306 User Manual

Page 18

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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.

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.