TM 1-1520-238-23
2-298
2.86.
ROTOR SUPPORT MIXER ASSEMBLY AND BOLT REMOVAL/INSTALLATION
2.86.1. Description
This task covers:
Removal. Cleaning. Inspection. Installation.
2.86.2. Initial Setup
Tools:
Aircraft mechanic’s tool kit (item 376, App H)
3/4 x 3/4-inch drive torque wrench adapter (item 19,
App H) (p/o item 391, App H)
Light duty laboratory apron (item 27, App H)
Chemical protective gloves (item 154, App H)
100 - 500 foot-pound 3/4-inch drive click type torque
wrench (item 438, App H)
Materials/Parts:
Keyway washer
Antiseize compound (item 26, App F)
Brush (item 34, App F)
Sealing compound (item 177, App F)
Personnel Required:
67R
Attack Helicopter Repairer
67R3F
Attack Helicopter Repairer/Technical
Inspector
References:
TM 55-1500-322-24
Equipment Conditions:
Ref
Condition
1.57
Helicopter safed
2.88
Rotor support mast support base removed
WARNING
FLIGHT SAFETY PART
The rotor support assembly contains
a flight safety part. Failure to follow
maintenance instructions may result
in serious injury or death of
crewmembers and/or serious damage
to the helicopter.
NOTE
This task is typical for left and/or right
rotor support mixer assemblies and bolts.
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