TM 1-1520-238-T-7
Change 5
10–23
10–6.
CONTROLS AND INDICATORS (cont)
10–6
Table 10–1.
Fuel System Controls and Indicators (cont)
M70-224A
ENG 2
SWITCH
BOOST
SWITCH
CROSSFEED
SWITCH
ENG 1
SWITCH
ENG 2
SWITCH
BOOST
SWITCH
CROSSFEED
SWITCH
ADA
ADB
ENG 1
SWITCH
Pilot FUEL Panel
CPG FUEL Panel
SWITCH/INDICATOR
POSITION
FUNCTION
ORIDE switch
CPG
Enables CPG FUEL panel.
PLT
Enables pilot FUEL panel.
TRANS switch
TO FWD
Transfers fuel from aft fuel cell to forward fuel cell via the
fuel transfer pump.
TO AFT
Transfers fuel from forward cell to aft fuel cell via the fuel
transfer pump.
OFF
De-energizes fuel transfer pump.
BOOST switch
ON
Enables pneumatically driven boost pump (in aft fuel cell)
to deliver fuel to both engine fuel crossfeed/shutoff
valves.
OFF
De-energizes fuel boost pump.
TK SEL switch
FROM FWD
Enables both engines to receive fuel from forward fuel
cell.
NORM
Enables engine 1 to feed from forward fuel cell. Enables
engine 2 to feed from aft fuel cell.
FROM AFT
Enables both engines to receive fuel from aft fuel cell.
