TM 5-3895-359-14&P
Troubleshooting
POSSIBLE CAUSE
REMEDY
1) ENGINE WILL NOT TURN OVER.
Frozen or corroded impeller.
Clean or replace if required.
Clogged or jammed impeller.
Remove pump body and clean out as required.
2) PUMP DOES NOT PRIME.
Pump body not filled with liquid.
Fill pump body with liquid.
Leak in suction system.
Tighten all suction system connections and
check hose or pipe for leaks.
Suction strainer or line clogged.
Clean out strainer and suction line.
3) PUMP RUNS AT LESS THAN CAPACITY.
Engine speed low.
Check and adjust governor. (Refer to Engine
Section.)
Suction lift too high.
Relocate pump closer to liquid supply.
Clogged suction system.
Clean strainer, check valve and suction line.
Leak in suction system.
Tighten all suction system connections and
check hose or pipe for leaks.
Suction end out of liquid.
Submerge suction end below surface of liquid
so no air is drawn through suction line.
Impeller clogged.
Remove pump body and clean out impeller.
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