TM 55-1520-240-23-3
4-4
INITIAL RUNUP
(Continued)
4-4
5.
Inspect engine as follows:
a.
There shall be no leaks at plumbing
connections.
b.
Hoses and accessories shall be secure.
c.
Engine mounts shall be secure.
6.
Close engine access cover (Task 4-50).
7.
Close engine work platform (Task 2-2).
8.
Operate both engines in FLIGHT with thrust
control at ground detent. Maintain 100 percent
rotor rpm until PTIT and oil temperatures
stabilize.
9.
Move NO. 1 ENGINE CONDITION lever to
GROUND. After PTIT stabilizes, shut down both
engines.
10.
Repeat steps 3 thru 5.
11.
Inspect main oil filter (TM 55-2840-254-23
without 74 , TM 1-2840-265-23 with 74 ).
12.
Inspect chip detectors (TM 55-2840-254-23
without 74 , TM 1-2840-265-23 with 74 ).
13.
Inspect fuel control filters, main line fuel filter,
and inline fuel filter (TM 55-2840-254-23 without
74 , TM 1-2840-265-23 with 74 ).
14.
Repeat steps 6 and 7.
FOLLOW-ON MAINTENANCE:
None
END OF TASK
4-34
