TM 1-1520-238-23
11-59
11.8.
MAIN ROTOR SWASHPLATE SHOULDER PIN REPLACEMENT
11.8.1. Description
This task covers:
Removal. Cleaning. Inspection. Installation.
11.8.2. Initial Setup
Tools:
Aircraft mechanic’s tool kit (item 376, App H)
Light duty laboratory apron (item 27, App H)
0.20 - 1.00-inch inside micrometer caliper (item 50,
App H)
Heat protective gloves (item 155, App H)
Electric gun type heater (item 163, App H)
Portable hydraulic press (item 237, App H)
Adjustable air filtering respirator (item 262, App H)
Pyrometer and thermocouple tester (item 351, App H)
0 - 175 foot-pound 1/2-inch drive dial indicator torque
wrench (item 444, App H)
Materials/Parts:
Cotter pin
Nut
Pin
Washer
Carbon dioxide (item 40, App F)
Personnel Required:
67R
Attack Helicopter Repairer
67R3F
Attack Helicopter Repairer/Technical
Inspector
Equipment Conditions:
Ref
Condition
1.57
Helicopter safed
11.16
Load bearing main rotor scissor removed
or
11.18
Secondary main rotor scissor removed
11.14
Lower end of pitch link detached
NOTE
This replacement task is typical for both
the load bearing scissor shoulder pin and
the secondary scissor shoulder pin.
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M04-3593-1
