TM 55-1520-240-23-9
11-112
REMOVE THRUST VISCOUS DAMPER
11-112
INITIAL SETUP
Applicable Configurations:
All
Tools:
Aircraft Mechanic’s Tool Kit, NSN 5180-00-323-4692
Materials:
Pencil (E271)
Personnel Required:
Medium Helicopter Repairer
Equipment Condition:
Battery Disconnected (Task 1-39)
Electrical Power Off
Hydraulic Power Off
Closet Acoustic Blanket Removed (Task 2-107)
Closet Backup Panel Removed (Task 2-2)
1.
Remove cotter pin (1), nut (2), two washers (3),
and bolt (4) from damper arm (5). Disconnect
arm, rotate arm up and forward.
2.
Install bolt (4), two washers (3), and nut (2)
loosely in link (6).
3.
Remove two bolts (7) and washers (8) from
viscous damper (9). Remove damper from pallet
(10).
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