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TM 10-4320-311-14
Table 3-1. Operator Troubleshooting - Continued
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Step 2. Check for an air-locked pump.
Remove cam-lock connection on discharge side Prime pump by filling volute with fluid.
(Refer to para 2-5.) Reinstall cam-lock connection
Step 3. Check for clogged suction hose
If clogged, clean suction hose.
Step 4. Check for leaks in the pump suction line.
Repair leaks in pump suction port connections or In suction line hoses.
7. LOW DISCHARGE PRESSURE
Step 1. Check for low engine speed
Move speed control handle to START position to increase engine speed. (Refer to para 2-6.)
Step 2. Check for clogged suction hose.
If clogged, clean suction hose
Step 3 Check for leaks in the pump suction line.
Repair leaks in pump suction port connections or In suction line hoses
8. UNEXPECTED REVERSE ROTATION
Step 1. Check for excess oil
Drain excess oil.
Step 2. Slow recoil pull may cause reverse engine rotation
Review starting procedures under prevailing conditions. Pull faster
3-5
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