TM 1-1520-238-23
6-324
Change 6
6.73.
MAIN TRANSMISSION APU DRIVE FLANGE REMOVAL/INSTALLATION – continued
6.73.4. Cleaning
a. Wipe APU drive flange and attaching surfaces
of transmission housing with a clean rag.
6.73.5. Inspection
a. Check APU drive flange for nicks, cracks,
gouges, and chipped splines. None allowed.
b. Check APU drive flange for corrosion (para
1.49).
c. Check transmission accessory gearbox input
splines for cracks, dents, distortion, or un-
even wear pattern. None allowed.
6.73.6. Installation
a. Install flange (1) in housing (3).
(1) Lubricate new packing (4). Use lubricating oil
(item 119, App F).
(2) Install packing (4) on flange (1).
(3) Coat splines of flange (1). Use grease
(item 87, App F).
(4) Engage splines of flange (1) with splines of
spur gear (2) and push flange (1) until bot-
tomed out in housing (3).
b. Inspect (QA).
c. Install No. 7 drive shaft and anti-flail support
(para 6.16).
d. Secure access doors T250L, T250R, R290L,
T290R, and L325 (para 2.2).
END OF TASK
M04-2957-3
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2
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