TM 1-1520-238-T-4
4–64
4–13.
POWER PLANTS – MAINTENANCE OPERATIONAL CHECK (ENGINE 2) (cont)
4–13
Task
Result
f. Have assistant check for steady flow of fuel
from engine 2 overboard fuel drain
(fig. 4–37).
If fuel flow is not present, refer to TM 1-1520-238-T-7
to troubleshoot fuel crossfeed/boost system.
M58-064
OVERBOARD
DRAINS
ENGINE 2 NACELLE
BOTTOM
Figure 4–37.
Overboard Fuel Drain Locations
Task
Result
g. On pilot FUEL panel (fig. 4–28), set
CROSSFEED switch to NORM, BOOST
switch will move to OFF and set ENG 2
switch to OFF. Check that the BOOST PMP
ON indicator is not lighted.
If BOOST PMP ON indicator is lighted, refer to
TM 1-1520-238-T-7 to troubleshoot fuel
crossfeed/boost system.
If BOOST switch is not released to OFF, refer to
TM 1-1520-238-T-7 to troubleshoot fuel
crossfeed/boost system.
h. On pilot master caution/warning panel
(fig. 4–31), press and hold MASTER
CAUTION indicator. Check that the following
indicators are lighted but not flashing:
Location
Indicator
Master caution/warning
ENGINE
panel
2 OUT
Pilot caution/warning panel
OIL PSI
(fig. 4–29)
ENG 2
FUEL
PSI
ENG 2
If indicator continue to flash after pressing pilot
MASTER CAUTION indicator, refer to
TM 1-1520-238-T-6 to troubleshoot pilot
caution/warning system.
If indicators are not lighted, replace lamps
(TM 1-1520-238-23). If lamp still does not light, refer
to TM 1-1520-238-T-6 to troubleshoot pilot
caution/warning system.
