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TM 55-1520-240-23-5
6-21
REMOVE AFT DRIVE SHAFTING
6-21
INITIAL SETUP
Applicable Configurations:
All
Tools:
Aircraft Mechanic’s Tool Kit, NSN 5180-00-323-4692
Workstand (2)
Materials:
None
Personnel Required:
CH-47 Helicopter Repairer (2)
Equipment Condition:
Battery Disconnected (Task 1-39)
Electrical Power Off
Aft Drive Shaft Access Panel Open (Task 2-2)
Cargo Ramp Open and Level (Task 2-2)
Baffles Under Aft Transmission Open (Task 2-2)
Aft Transmission Drip Pan Removed (Task 2-3)
Aft Pylon Doors Open (Task 2-2)
Aft Pylon Lower Fairing Open (Task 2-2)
REMOVE NO. 9 SHAFT
CAUTION
Do not allow bolts to turn when
removing nuts. If bolts turn, damage
to bolts and plates can result.
1.
Remove nuts (1), washers (2), or special washers
(3), and three bolts (4) at each end of No. 9 shaft
(5). During removal, have helper hold head of
bolts with wrench (6).
CAUTION
If more than one bolt on adapter
assembly is removed, assembly will
have to be balanced.
2.
Remove one nut (7), special washer (8), and
bolt (9) from adapter assembly (10) at each end
of shaft (5) for clearance. During removal, have
helper hold bolts.
3.
Remove shaft (5).
6-64
Change 1
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