TM 1-1520-238-23
3-268
Change 7
3.66.
SINGLE DISK BRAKE, FRICTION LINING, AND BRAKE DISK REMOVAL/INSTALLATION
(GOODYEAR/ABSC)
3.66.1. Description
This task covers:
Removal. Cleaning. Inspection. Repair. Installation.
3.66.2. 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)
10 x 12-inch surface plate (item 226, App H)
14-quart utility pail (item 222, App H)
0 - 5-inch spanner wrench set (item 427, 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 (7)
Retainer (3)
Cloth (item 52, App F)
Corrosion preventive compound (item 62A, App F)
Hydraulic fluid (item 93, App F)
Wire (item 224, 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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