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AFT HANGER BEARING COUPLING REMOVAL/INSTALLATION – continued | Up
TM-1-1520-238-23-4 Helicopter Attack AH-64A Apache (NSN 1520-01-106-9519) (EIC: RHA) Manual | Next
AFT HANGER BEARING AND SUPPORT REMOVAL/INSTALLATION – continued |
TM 1-1520-238-23
6-52
Change 4
6.10.
AFT HANGER BEARING AND SUPPORT REMOVAL/INSTALLATION
6.10.1. Description
This task covers:
Removal. Cleaning. Inspection. Installation.
6.10.2. Initial Setup
Tools:
Aircraft maintenance tool kit (item 372, App H)
7/16 x 3/8-inch drive torque wrench adapter (item 22,
App H)
Light duty laboratory apron (item 27, App H)
#2 phillips screwdriver bit (item 33, App H)
Chemical protective gloves (item 154, App H)
1/4-inch drive screwdriver bit holder (item 175, App H)
Adjustable air filtering respirator (item 262, App H)
10 - 50 inch-pound 1/4-inch drive click type torque
wrench (item 434, App H)
30 - 150 inch-pound 3/8-inch drive click type torque
wrench (item 441, App H)
0 - 75 inch-pound 1/4-inch drive dial indicator torque
wrench (item 446, App H)
Materials/Parts:
Corrosion preventive compound (item 62A, App F)
Epoxy primer coating kit (item 78, App F)
Personnel Required:
68D
Aircraft Powertrain Repairer/NDI
67R3F
Attack Helicopter Repairer/Technical
Inspector
References:
TM 1-1520-238-T
Equipment Conditions:
Ref
Condition
1.57
Helicopter safed
6.9
Aft hanger bearing coupling removed
WARNING
FLIGHT SAFETY PART
The aft hanger bearing is 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.
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