Gorman-Rupp Pumps 62 1/2D1-CH23 S/G 1211015 and up - Manual (Page 15)

60 SERIES OM--05171
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. Shutdown the engine and remove
the spark plug wires to ensure that
the pump will remain inoperative.
3. Allow the pump to completely cool
if overheated.
4. Vent the pump slowly and cau-
tiously.
5. Close the suction and discharge
valves.
6. Check the temperature before
opening any covers, plates, or
plugs.
7. Drain the pump.
For specific instructions on engine troubleshooting
or repair, see the engine manual.
Table B-1 Troubleshooting Chart
TROUBLE CAUSE REMEDY
ENGINE FAILS TO
START
Auxiliary priming device faulty
or improperly installed.
Integral discharge check
valve clogged or binding.
Spark plug contaminated.
No fuel to engine or fuel con-
taminated.
Engine flooded.
Repair priming device or check installation.
Clean valve.
Clean and replace plug; reset gap.
Check fuel tank level; vent tank; purge air
from fuel lie; clean fuel filters. Check fuel for
proper oil mix; check for contamination.
Dry spark plug; adjust carburetor; see engine
manual.
PUMP FAILS TO
PRIME
Auxiliary priming device faulty
or improperly installed.
Integral discharge check
valve clogged or binding.
Air leak in suction line.
Lining of suction hose col-
lapsed.
Leaking or worn seal or pump
gasket.
Suction lift or discharge head
to high.
Strainer clogged.
Repair priming device or check installation.
Clean valve.
Correct leak.
Replace suction hose.
Check pump vacuum. Replace leaking or
worn seal or gasket.
Check piping installation and reduce suction
lift and/or discharge head.
Check strainer and clean if necessary.