TM 1-1520-238-23
11-1274
11.297. SERVOCYLINDER ROD END ADJUSTMENT
11.297.1. Description
This task covers:
Adjustment.
11.297.2. Initial Setup
Tools:
Aircraft mechanic’s tool kit (item 376, App H)
0.300 - 24/0 - 24-inch inside/outside vernier caliper
(item 54, App H)
1 1/8 x 1/2-inch drive open end box socket wrench
crowfoot attachment (item 75, App H)
15/16 x 3/8-inch drive open end box socket wrench
crowfoot attachment (item 80, App H)
Flight control rigging kit (item 267, App H)
0 - 175 foot-pound 1/2-inch drive dial indicator torque
wrench (item 444, App H)
Materials/Parts:
Wire (item 225, App F)
Personnel Required:
67R
Attack Helicopter Repairer
67R3F
Attack Helicopter Repairer/Technical
Inspector
Equipment Conditions:
Ref
Condition
1.57
Helicopter safed
WARNING
Failure to follow maintenance instructions may result in serious injury or death of
crewmembers and/or serious damage to the helicopter. If injury occurs, seek medical aid.
To provide enough thread engagement to maintain safe flight, the distance between center
of rod end and end of servocylinder piston must not exceed 3.06 INCHES.
CAUTION
To prevent breakdown of cylinder piston rings, rotation of piston is limited to 90 degrees during rigging
and installation. Adjustments are made by turning rod end, not piston.
NOTE
To adjust collective servocylinder rod end, go to paragraph 11.297.3.
To adjust longitudinal servocylinder rod end, go to paragraph 11.297.4.
To adjust lateral servocylinder rod end, go to paragraph 11.297.5.
To adjust directional servocylinder rod end, go to paragraph 11.297.6.
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