TM 1-1520-238-23 3-48 Change 3 3.16. MAIN LANDING GEAR TRAILING ARM ASSEMBLY REMOVAL/INSTALLATION 3.16.1. Description This task covers: Removal. Cleaning. Inspection. Installation. 3.16.2. Initial Setup Tools: Aircraft mechanic’s tool kit (item 376, App H) Electrical tool kit (item 378, App H) Hydraulic tool kit (item 384, App H) Light duty laboratory apron (item 27, App H) Scratch wire brush (item 44, App H) Industrial faceshield (item 129, App H) Chemical protective gloves (item 154, App H) Multimeter (item 215, App H) Adjustable air filtering respirator (item 262, App H) 1/2-inch drive 1 3/4 - 4-inch socket wrench spanner attachment set (item 335, App H) 12-inch combination square (item 340, App H) 700 - 1600 inch-pound 1/2-inch drive click type torque wrench (item 433, App H) 30 - 150 inch-pound 1/4-inch drive click type torque wrench (item 435, App H) 0 - 30 inch-pound 1/4-inch drive dial indicator torque wrench (item 445, App H) Materials/Parts: Cotter pin (2) Packing (2) Brush (item 34, App F) Lubricant (item 116, App F) Lubricating oil (item 119, App F) Petrolatum (item 138, App F) Sealing compound (item 178, App F) Personnel Required: 67R Attack Helicopter Repairer One person to assist 68H Aircraft Pneudraulics Repairer 68X Armament/Electrical System Repairer 67R3F Attack Helicopter Repairer/Technical Inspector References: TM 9-1090-208-23-1 TM 11-1520-238-23-1 TM 55-1500-323-24 Equipment Conditions: Ref Condition 3.18 Shock strut removed 3.26 Wire strike cutter removed 3.66 Wheel brake removed TM 11-1520-238-23-1 Radar jammer blower as- sembly removed (left trail- ing arm only) TM 9-1090-208-23-1 Rounds counter mounting bracket and rounds counter removed (left trailing arm only) WARNING FLIGHT SAFETY PART The main landing gear subassembly contains 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