AFT LEFT CENTER TRANSMISSION ROTOR SUPPORT STRUT ASSEMBLY REMOVAL/INSTALLATION

FORWARD LEFT OR RIGHT CENTER TRANSMISSION ROTOR SUPPORT STRUT ASSEMBLIES REMOVAL/INSTALLATION continued - TM-1-1520-238-23-2_371

AFT LEFT CENTER TRANSMISSION ROTOR SUPPORT STRUT ASSEMBLY REMOVAL/INSTALLATION continued - TM-1-1520-238-23-2_373

TM-1-1520-238-23-2 Helicopter Attack AH-64A Apache (NSN 1520-01-106-9519) (EIC: RHA) Manual
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TM 1-1520-238-23 2-320 Change 9 2.90. AFT LEFT CENTER TRANSMISSION ROTOR SUPPORT STRUT ASSEMBLY REMOVAL/INSTALLATION 2.90.1. Description This task covers: Removal. Cleaning. Inspection. Installation. 2.90.2. Initial Setup Tools: Aircraft mechanic’s tool kit (item 376, App H) 1/2 x 3/4-inch drive socket wrench adapter (item 2, App H) 3/4 x 1/2-inch drive socket wrench adapter (item 5, App H) 44-inch x 3/4-inch drive telescopic bar (item 29, App H) 3/4 x 6-inch long driftpin (item 113, App H) 5-inch x 1/2-inch drive socket wrench extension (item 124, App H) 1/2-inch drive ratchet socket wrench handle (item 172, App H) 15/16 & 1-inch box wrench (item 412, App H) Socket wrench (item 428, App H) (p/o item 391 and 391A, App H) or Socket wrench (item 428A, App H) (p/o item 391A, App H) 100 - 500 foot-pound 3/4-inch drive click type torque wrench (item 438, App H) Materials/Parts: Cotter pin Wire (item 226, App F) Antiseize compound (item 26, App F) Personnel Required: 67R Attack Helicopter Repairer One person to assist 67R3F Attack Helicopter Repairer/Technical Inspector Equipment Conditions: Ref Condition 1.57 Helicopter safed 2.2 Access doors T250L, T250R, T290R, and L325 opened 2.94 Left aft side transmission rotor support strut assembly removed 12.32 Main deck fire/overheat detector removed 6.90 Air data system (ADS) mast removed 1.79 Air vehicle sling installed 1.97 Maintenance crane installed WARNING FLIGHT SAFETY PART Rotor support mast support base 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. GO TO NEXT PAGE M04-1464-5

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