TM 10-4930-204-13
Table 4-2. Organizational Troubleshooting (Cont)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
PUMP
7. PUMP FAILS COOPERATE.
S t e p 1. Check for suction leak.
a. Tighten or replace faulty connections.
b. Replace leaking or damaged hose (para. 4-20).
Step 2. Check for low engine speed.
Adjust carburetor (para. 4-24 i ).
8. PUMP FAILS TO PRIME.
Check for leaks in suction lines or connections.
a. Replace leaky suction lines.
b. Tighten loose or leaky connections.
9. PUMP WILL NOT PUMP FUEL AT RATED CAPACITY.
Step 1. Check for low pump engine speed.
Adjust engine speed. (GED)
Step 2. Check truck engine RPM for proper charge rate. (EMD)
Adjust engine RPM to approximately 1000 RPM.
Step 3. Check level in 600 gal fuel tanks.
Fill tanks if empty.
Step 4. Check that tank cam lever is fully open. Open cam lever.
4-17