TM 10-4330-232-12&P
SYMPTOM INDEX
Symptom
Page
No fuel delivery ...................................................................................................................................
3-2
General fuel leakage ............................................................................................................................
3-2
Discharged fuel contains water.............................................................................................................
3-3
Sudden increase/decrease in pressure differential gage reading ..........................................................
3-3
Table 3-1. Operator Troubleshooting Procedures.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1. NO FUEL DELIVERY.
Step 1. Check to see if system pumping unit is operating properly.
Refer to applicable pumping unit technical manual.
Step 2. Check hoses to ensure they are connected.
If not connected, notify unit maintenance.
Step 3. Check to see if inlet and outlet blocking valves are open.
If closed, open valves.
Step 4. Check differential pressure gage for reading.
Note reading and notify unit maintenance.
2. GENERAL FUEL LEAKAGE.
Step 1. Check lines and fittings.
If loose, notify unit maintenance.
Step 2. Check for cracks or breaks in tank and components.
If cracks or breaks are found, notify unit maintenance.
3-2
