TM 1-1520-238-23
Change 2
1-252.5
1.75.
APU OPERATING INSTRUCTIONS USING EXTERNAL POWER continued
NOTE
The main transmission oil temperature
and pressure can be viewed on the
CPG heads out display (HOD) or any
selected pilot/CPG crew station video
monitor.
If ECS air temperature is very warm
and cannot be adjusted with TEMP
control, shutdown APU.
af. Monitor transmission oil temperature and
pressure every 30 minutes (or as required) of
APU operation.
(1) Set DATA ENTRY switch (29) to FD/LS.
(2) On DEK (24) press any key except ENTER
SPACE or SHIFT.
(3) On DEK (24) press and release ABC/1 (30)
and YZ*/9 (31) keys.
(4) To return to the maintenance FD/LS menu
and abort the FD/LS transmission check, set
DATA ENTRY switch to STBY and repeat
steps (1) and (2).
ag. Remove external power electrical (para
1.70).
ah. Perform maintenance task.
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M04-1868-24
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