TM 55-1520-240-23-5
6-29
INSTALL AFT DRIVE SHAFTING
(Continued)
6-29
5.
Check bolts (10). There shall be 0.10 to 0.17
inch of bolt threads extending through nut (14).
Install another washer (13) or a thinner washer
if needed.
6.
Check mounts (15) for freedom of motion on
bushings (3). There shall be no binding of
mounts on bushings.
Do not allow bolts to turn when
torquing nuts. If bolts turn, damage to
bolts and plates can result.
NOTE
Helper reaches bolts from top of
helicopter.
7.
Have helper hold head of three bolts (6)
at adapter assembly (2) aft of combining
transmission (17) with wrench. Check nuts for
friction torque of at least 24 inch-pounds.
8.
Torque nuts (9) to 1000 to 1100 inch-pounds.
8.1.
Phase rotor blades (Task 6-28).
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