TM 55-1930-208-10
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
7. ENGINE RUNS, CARGO PUMP WILL NOT RUN.
Step 1. Check clutch for engagement.
If not engaged, engage clutch.
Step 2. Inspect coupling for loose or missing hardware.
Tighten or replace loose or missing hardware.
Step 3. Inspect drive shaft for worn universal joints.
Notify higher level maintenance.
8. CARGO PUMP RUNS BUT WILL NOT PUMP.
Step 1. Check for closed valve.
Open appropriate valve.
Step 2. Inspect suction strainer.
Stop operations. Clean clogged strainer.
Step 3. Check if pump is pumping from empty tank.
If cargo tank is empty, disengage pump. Adjust valves to resume pumping from proper tank.
Step 4. Check for defective relief valve.
Stop operations. Notify higher level maintenance for repair.
9. CARGO PUMP DISCHARGE PRESSURE AND CAPACITY BELOW NORMAL.
Step 1. Check for throttled valves.
Open valves wide.
Step 2. Check engine speed.
If too low, increase engine speed.
Step 3. Inspect suction strainer.
Stop operation. Clean clogged strainer.
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