TM 10-4610-229-24
Table 2-2. Troubleshooting (Cont)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Step 2.
Check engine speed.
Adjust speed. (See TM 10-4610-229-10.)
Step 3.
Check for obstruction in suction hose and inlet.
Remove obstruction from hose and inlet.
Step 4.
Check water pressure from pretreatment assembly.
Correct water pressure. (See TM 10-4610-229-10.)
3.
WATER DELIVERY STOPS SUDDENLY.
Step 1.
Check water supply from pretreatment assembly.
Correct water supply.
Step 2.
Check for inlet cavitation.
Increase inlet pressure by adjusting boost pump engine
speed. (See TM 10-4610-229-10.)
4.
PUMP VIBRATION. ENGINE RUNNING NORMALLY.
Step 1.
Check V-belts adjustment.
Adjust V-belts (para 2-81).
Step 2.
Check for loose pump mounting bolts.
Tighten bolts.
Step 3.
Check for obstruction in water passages.
Remove obstruction.
5.
WATER RUNS FROM DRAIN HOLES.
Replace pump (para 2-109).
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