TM 1-1520-238-23
11-24
Change 7
11.4.
FLIGHT CONTROL SYSTEM BEARING/BUSHING REPLACEMENT (AVIM)
11.4.1. Description
This task covers:
Removal. Cleaning. Inspection. Installation (Slip or Pressure Fit Method). Installation (Tempera-
ture Differential Fit Method).
11.4.2. Initial Setup
Tools:
Aircraft maintenance tool kit (item 372, App H)
Aircraft mechanic’s tool kit (item 376, App H)
Light duty laboratory apron (item 27, App H)
0.000 - 6.000-inch outside micrometer caliper set
(item 52, App H)
Fly cutter assembly (item 104, App H)
0.3700 - 0.6300-inch cylinder gage (item 141, App H)
0.6300 - 1.0000-inch cylinder gage (item 142, App H)
1.0000 - 1.5300-inch cylinder gage (item 143, App H)
1.5000 - 2.1600-inch cylinder gage (item 144, App H)
Chemical protective gloves (item 154, App H)
Electric gun type heater (item 163, App H)
2-ton hydraulic hand operated arbor press (item 235,
App H)
Universal puller kit (item 241, App H)
Adjustable air filtering respirator (item 262, App H)
Staking tool kit (item 392, App H)
Bearing removal tool – main/tail rotor pitch links (figure
D-443, App D)
0 - 75 inch-pound 1/4-inch drive dial indicator torque
wrench (item 446, App H)
Staking tool – main/tail rotor pitch links (figure D-451,
App D)
Staking tool PN AH64-0010 (figure D-471, App D)
Staking tool PN AH64-0011 (figure D-471, App D)
Staking tool PN AH64-0012 (figure D-471, App D)
Materials/Parts:
Adhesive (item 5, App F)
Brush (item 34, App F)
Carbon dioxide (item 40, App F)
Metal cleaner (item 43, App F)
Corrosion preventive compound (item 62, App F)
Sealing compound primer (item 146, App F)
Primer coating (item 147, App F)
Sealing compound (item 165, App F)
Sealing compound (item 167, App F)
Sealing compound (item 168, App F)
Sealing compound (item 170, App F)
Sealing compound (item 176, 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 1-1520-264-23
TM 55-1500-322-24
WARNING
FLIGHT SAFETY PART
Some of the flight control bellcranks, brackets, housings, arms, etc., in this task 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.
GO TO NEXT PAGE
