TM 55-1520-240-23-3
3-51
INSTALL UPPER DRAG LINK
3-51
INITIAL SETUP
Applicable Configurations:
All
Tools:
Aircraft Mechanic’s Tool Kit, NSN 5180-00-323-4692
Torque Wrench, 0 to 160 Foot-Pounds
Torque Wrench, 100 to 750 Inch-Pounds
Materials:
None
Parts:
Cotter Pins
Personnel Required:
Medium Helicopter Repairer
Inspector
References:
TM 55-1520-240-23P
Task 3-54
NOTE
Procedure is same for left and right
upper drag link.
1.
Position offset end of upper drag link (1) into
swivel housing fitting (2).
2.
Install bolt (3) (head inboard with flat of head
matching flat of fitting), washers (4), and nut
(5). Torque nut (5) to 350 to 500 inch-pounds.
Install cotter pin (6).
3.
Install bushing (7) in trunnion fork (8).
4.
Position straight end of link (1) in structure and
align with trunnion fork (8).
5.
Install bolt (9), washers (10), and nut (11).
Torque nut (11) to 50 to 100 foot-pounds. Install
cotter pin (12).
3-132
