TM 55-1520-240-23-9
11-242
REMOVE TUNNEL CONTROLS IDLER
11-242
INITIAL SETUP
Applicable Configurations:
All
Tools:
Aircraft Mechanics Tool Kit, NSN 5180-00-323-4692
Materials:
None
Personnel Required:
Medium Helicopter Repairer (2)
References:
Task 2-208
Equipment Condition:
Battery Disconnected (Task 1-39)
Electrical Power Off
Hydraulic Power Off
Tunnel Access Door No. 3 Opened (Task 2-2)
Safety Blocks (T31) Installed (Task 11-28)
Servocylinder Connecting Links Disconnected (Task
11-192)
NOTE
Procedure is same for all tunnel
controls idlers. Idlers are located at
sta. 163, 201, 241, 281, 321, 361, and
401. Idler at sta. 281 is shown here.
1.
Remove cotter pin (1), nut (2), two washers (3),
and bolt (4) from control arm (5) and idler (6).
2.
Lift control arm (5) and swing idler (6) clear of
control arm.
11-941