TM 1-1520-238-23
Change 7
3-259
3.65.
SINGLE DISK BRAKE, FRICTION LINING, AND BRAKE DISK REMOVAL/INSTALLATION
(PARKER-HANNIFIN)
3.65.1. Description
This task covers:
Removal. Cleaning. Inspection. Repair. Installation.
3.65.2. Initial Setup
Tools:
Aircraft mechanic’s tool kit (item 376, App H)
Hydraulic tool kit (item 384, App H)
Light duty laboratory apron (item 27, App H)
0.000 - 6.000-inch outside micrometer caliper set
(item 52, App H)
Industrial faceshield (item 129, App H)
0 - 18-inch height gage (item 149, App H)
Chemical protective gloves (item 154, App H)
14-quart utility pail (item 222, App H)
10 x 12-inch surface plate (item 226, App H)
Adjustable air filtering respirator (item 262, App H)
0 - 300 inch-pound 3/8-inch drive click type torque
wrench (item 439, App H)
0 - 600 inch-pound 3/8-inch drive dial indicator torque
wrench (item 447, App H)
Materials/Parts:
Packing (6)
Packing retainer (3)
Antiseize compound (item 27, App F)
Cloth (item 52, App F)
Corrosion preventive compound (item 62A, App F)
Hydraulic fluid (item 93, App F)
Personnel Required:
67R
Attack Helicopter Repairer
68H
Aircraft Pneudraulics Repairer
67R3F
Attack Helicopter Repairer/Technical
Inspector
References:
TM 1-1520-238-T
TM 1-1520-264-23
Equipment Conditions:
Ref
Condition
1.57
Helicopter safed
3.6
Main landing gear wheel and tire removed
1.61
Parking brakes released
WARNING
FLIGHT SAFETY PART
The landing gear and/or components of the landing gear are flight safety parts. Failure to follow
maintenance instructions may result in serious injury or death of crewmembers and/or serious
damage to the helicopter.
CAUTION
Main wheel brake assembly parts (bolts, nuts, friction linings, and disks) manufactured by one compa-
ny cannot be used or intermixed with brake assembly manufactured by a different company.
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