TM 55-1520-240-23-9
11-114
REMOVE YAW VISCOUS DAMPER
11-114
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. Move link (6) away from arm.
2.
Install bolt (4), two washers (3), and nut (2)
loosely in link (6).
3.
Remove two bolts (7) and washer (8) from
viscous damper (9). Remove damper from pallet
(10).
11-543
