TM 55-1520-240-23-9
11-129
REMOVE YAW VISCOUS DAMPER CONNECTING LINK
11-129
INITIAL SETUP
Applicable Configurations:
All
Tools:
Aircraft Mechanic’s Tool Kit, NSN 5180-00-323-4692
Materials:
Paper Tags (E264)
Personnel Required:
Medium Helicopter Repairer
References:
TM 1-1520-253-23
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)
NOTE
If a crack in the connecting link is
suspected during disassembly, refer
to TM 1-1520-253-23.
1.
Tag yaw viscous damper connecting link (1).
Remove cotter pin (2), nut (3), two washers
(4), and bolt (5) from magnetic brake arm (6).
Disconnect link from arm.
2.
Install bolt (5), two washers (4), and nut (3)
loosely in arm (6) and spring assembly (7).
3.
Remove cotter pin (8), nut (9), two washers (10),
and bolt (11) from link (1) and damper arm (12).
Remove link.
4.
Install bolt (11), two washers (10), and nut (9)
loosely in arm (12).
FOLLOW-ON MAINTENANCE:
None
END OF TASK
11-584
