TM 1-1520-238-T-4
4–52
4–12.
POWER PLANTS – MAINTENANCE OPERATIONAL CHECK (ENGINE 1) (cont)
4–12
Task
Result
e. On pilot caution/warning panel (fig. 4–29),
check that BOOST PMP ON indicator is
lighted.
If BOOST PMP ON indicator is not lighted, refer to
TM 1-1520-238-T-7 to troubleshoot fuel
crossfeed/boost system.
M58-060A
CHIPS ENG 2
INDICATOR
OIL PSI ENG 2
INDICATOR
OIL BYP ENG 2
INDICATOR
FUEL BYP ENG 2
INDICATOR
FUEL PSI ENG 2
INDICATOR
CHIPS ENG 1
INDICATOR
OIL PSI ENG 1
INDICATOR
OIL BYP ENG 1
INDICATOR
FUEL BYP ENG 1
INDICATOR
FUEL PSI ENG 1
INDICATOR
BOOST PMP ON
INDICATOR
Figure 4–29.
Pilot Caution/Warning Panel
f. Have assistant check for steady flow of fuel
from engine 1 overboard fuel drain
(fig. 4–30).
If fuel flow is not present, refer to TM 1-1520-238-T-7
to troubleshoot fuel crossfeed/boost system.
g. On pilot FUEL panel (fig. 4–28), set
CROSSFEED switch to NORM, BOOST
switch moves to OFF and set ENG 1 switch
to OFF. Check that the BOOST PMP ON
indicator is not lighted.
If BOOST switch is not released to OFF, refer to
TM 1-1520-238-T-7 to troubleshoot fuel
crossfeed/boost system.
If BOOST PMP ON indicator is lighted, refer to
TM 1-1520-238-T-7 to troubleshoot fuel
crossfeed/boost system.
