TM 55-1520-240-23-5
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FLUSH ENGINE TRANSMISSION OIL SYSTEM
(Continued)
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4.
Replace main oil filter element (3) (Task 6-199).
Note position of indicator button (4).
5.
If indicator button (4) was extended, remove and
inspect inlet screen (5) (Tasks 6-209 and 6-210).
Install screen (Task 6-211).
6.
Service engine transmission with oil (Task 1-54).
7.
Have pilot perform ground run (TM
55-1520-240-10). When engine transmission oil
temperature stabilizes at normal, have pilot shut
down helicopter.
8.
Repeat steps 1 thru 6.
FOLLOW-ON MAINTENANCE:
Install engine transmission fairing (Task 4-73).
Install engine air inlet screen (Task 4-76).
Close pylon lower fairing (Task 2-2).
Close pylon access doors (Task 2-2).
END OF TASK
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