TM 1-1520-238-T-7
10212
1076. PRESSURE REFUELING/DEFUELING MAINTENANCE OPERATIONAL CHECK (cont)
1076
Task
Result
e. On refueling panel (fig. 1079), set LVL
CONT VALVES AFT TNK and FWD TNK
switches to OPEN. AFT CLOSED and FWD
CLOSED indicators are not lighted.
If AFT CLOSED indicator is lighted with LVL CONT
VALVES AFT TNK switch set to OPEN, replace
refueling panel (TM 1-1520-238-23).
If FWD CLOSED indicator is lighted with LVL CONT
VALVES FWD TNK switch set to OPEN, replace lamp
(TM 1-1520-238-23). If lamp is still not lighted,
replace refueling panel (TM 1-1520-238-23).
f. On pilot center circuit breaker panel
(fig. 1082), check that FUEL FILL circuit
breaker is closed.
If FUEL FILL circuit breaker does not stay closed with
LVL CONT VALVES switches set to OPEN, go to
paragraph 1087.
M70-079
FUEL
FILL
Figure 1082.
Pilot Center Circuit Breaker Panel
g. On refueling panel, set LVL CONT VALVES
AFT TNK and FWD TNK switches to
CLOSE. AFT CLOSED and FWD CLOSED
indicators are lighted.
If AFT CLOSED indicator is not lighted with LVL
CONT VALVES AFT TNK switch set to CLOSE,
replace lamp (TM 1-1520-238-23). If lamp is still not
lighted, go to paragraph 1089.
If FWD CLOSED indicator is not lighted with VALVES
FWD TNK switch set to CLOSE, replace lamp
(TM 1-1520-238-23). If lamp is still not lighted, go to
paragraph 1088.
h. Install fuel nozzle static ground plug into
jack on helicopter (fig. 1083).
If ground jack is damaged and will not accept ground
plug, replace ground jack (TM 1-1520-238-23).
NOTE
The dual pressure fuel manifold provides adapters for SPA and CCA
refueling system (fig. 1083). The following steps apply to either method.
Equipment availability determines the method used.