TM 3-4230-209-10
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Step 3. Check for loose or broken belts.
Adjust drive belts (para 3-7) if required.
Step 4. Check to see if the connection is loose on the suction line.
Tighten connection.
Step 5. Check to see if suction hose is plugged with dirt.
Clean suction hose.
Step 6. If foot valve is used, check to see if it is clogged.
Clean foot valve.
Step 7. Check pump suction. Open VALVE NO. 4 PRIME and remove
suction hose from inlet piping. Operate pump and hold the palm of
your hand against the suction inlet. If there is no pull against the
palm of your hand, the pump is bad.
3-7
