TM 9-2330-356-14
Table 4-9. Unit Toubleshooting (Con`t).
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
CENTRIFUGAL PUMP (Con't)
23. PUMP FAILS TO DELIVER FUEL (Con't).
Check for leakage of air into pump or at connections.
Step 2.
Tighten all connections. If gaskets need replacement, notify direct support maintenance.
BATTERY
24. DEFECTIVE BATTERY
Check specific gravity of battery (para 4-23).
Step 1.
If specific gravity is low, recharge battery (para 4-23). If battery will not charge, replace
battery. Check new battery charge conditions at frequent intervals (para 4-23).
Check for frayed or broken cables.
Step 2.
Replace cables (para 4-23).
Check for loss of electrolyte in battery.
Step 3.
Service battery (para 4-23).
Inspect for broken terminals.
Step 4.
Replace terminals.
25. BATTERY DISCHARGED.
Inspect for dirt and electrolyte on top of battery causing constant drain (para 4-23).
Clean battery top.
FILTER/SEPARATOR
26. FUEL DOES NOT FLOW DURING FUEL SERVICING OPERATION.
Check filter/separator gage reading, If gage registers 25 psi or more, the fuses are clogged.
Replace clogged fuses (para 4-83).
27. CONTINUOUS SEEPAGE FROM AUTOMATIC DRAIN VALVE.
Inspect for liquid other than water seeping out of automatic water drain valve (fig. 4-127).
Notify direct support maintenance.
4-19
