TM 1-1520-238-23
6-286
Change 1
6.65.
MAIN TRANSMISSION ROTOR BRAKE ACTUATOR (PARKER HANNIFIN)
REMOVAL/INSTALLATION
6.65.1. Description
This task covers:
Removal. Cleaning. Inspection. Installation.
6.65.2. Initial Setup
Tools:
Aircraft maintenance tool kit (item 372, App H)
Light duty laboratory apron (item 27, App H)
Industrial faceshield (item 129, App H)
Chemical protective gloves (item 154, App H)
1/2-inch hexagon x 1/2-inch drive screwdriver socket
wrench attachment (item 321, App H)
700 - 1600 inch-pound 1/2-inch drive click type torque
wrench (item 433, App H)
Materials/Parts:
Hydraulic fluid (item 92, App F)
Personnel Required:
67R
Attack Helicopter Repairer
68D
Aircraft Powertrain Repairer/NDI
67R3F
Attack Helicopter Repairer/Technical
Inspector
References:
TM 1-1500-204-23
TM 1-1520-238-T
Equipment Conditions:
Ref
Condition
1.57
Helicopter safed
2.2
Access doors T250L, T250R, T290L,
T290R, and L325 opened
9.40
Helicopter battery connected
WARNING
FLIGHT SAFETY PART
The main transmission is a flight safe-
ty part. Failure to follow maintenance
instructions may result in serious
injury or death of crewmembers
and/or serious damage to the
helicopter.
CAUTION
Do not intermix manufacturers’ disks and
actuators in one assembly. Damage to
helicopter will result if disks and actuators
from different manufacturers are inter-
mixed in one assembly.
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M04-3876-1
PILOT STATION
04:
M04-3876-4A
