TM 1-1520-238-MTF
Change 4
2-56
PROCEDURE
TROUBLESHOOTING
REFERENCE
AFTER STARTING APU (CONT)
l. Fuel CROSSFEED switch NORM.
Verify fuel BOOST switch
disengages and BOOST PUMP ON
caution/warning light extinguishes.
*29. Engine reinstallation/replacement
checks As required. Refer to Chapter
4, paragraph G.
**STARTING ENGINES PILOT
NOTE
Verify HARS aligned and correlates to
magnetic compass.
Compute time to idle using chart in Chap-
ter 5 prior to starting engines.
Verify HARS aligned and correlates
to magnetic compass. Verify NAV STA-
TUS PAGE on CDU; INS GO, GPS GO,
DNS GO, and HARS GO.
1. SHAFT DRIVEN COMP
caution/warning segment Verify Off.
WARNING
Aborted engine starts may cause
fuel to collect in the engine nacelle. Sub-
sequent engine starts may be attempted
only after the nacelle door/work platform
is opened and the nacelle inspected for
fuel. If during the initial start an abnormal
TGT rise was evident, or fuel is evident in
the nacelle, the ignition system shall be
checked IAW standard maintenance pro-
cedures.