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TM 9-2330-272-14
Table 3-1. Operator/Crew Troubleshooting (Con’t).
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
FUELING OPERATIONS
18. FUEL DOES NOT FLOW DURING ANY FILTERED FUELING OPERATION (M131A4C AND M131A5C).
Step 1.
Step 2.
Step 3.
Step 4.
Step 5.
Check that emergency relief valve is open.
Open emergency relief valve by pulling emergency relief valve operating control lever. If
operating control lever does not function, notify Organizational Maintenance.
Check that proper valves are open.
Refer to flow diagrams pertaining to fueling operation being performed (para 2-23).
Manually drain filter-separator sump.
Perform filter-separator pressure check (para 2-16).
If there is no pressure, or if pressure differential between filter inlet and filter outlet is greater
than 20 psi (138 kPa) on M131A5C, or 15 psi (103 kPa) on M131A4C, filter elements and
go-no-go fuses require replacement, Notify Organizational Maintenance.
Check for inoperative fuel nozzle assembly.
If fuel nozzle assembly is inoperative, notify Organizational Maintenance.
19. FUEL DOES NOT FLOW DURING ANY NONFILTERED FUELING OPERATION.
Step 1.
Check that emergency relief valve is open.
Open emergency relief valve by pulling emergency relief valve operating control lever. If
operating control lever does not function, notify Organizational Maintenance.
Step 2.
Check that proper valves are open and hose connections are correct.
Refer to flow diagrams pertaining to fueling operation being performed (para 2-18, 2-19,
2-20, 2-21, or 2-22).
3-16
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