TM 1-1520-238-23 2-466 Change 7 2.133. NO. 1 ENGINE NACELLE REMOVAL/INSTALLATION 2.133.1. Description This task covers: Removal. Cleaning. Inspection. Installation. 2.133.2. Initial Setup Tools: Aircraft mechanic’s tool kit (item 376, App H) Light duty laboratory apron (item 27, App H) Chemical protective gloves (item 154, App H) Spreader bar kit (item 195, App H) Adjustable air filtering respirator (item 262, App H) Rod and link adjusting tool (item 365, App H) 1 1/16 & 1 1/4-inch open end wrench (item 416, App H) 1 & 1 1/8-inch open end wrench (item 417, App H) 10 - 50 inch-pound 1/4-inch drive click type torque wrench (item 434, App H) 0 - 300 inch-pound 3/8-inch drive click type torque wrench (item 439, App H) Materials/Parts: Brush (item 34, App F) Sealing compound (item 174, App F) Wire (item 226, App F) Personnel Required: 67R Attack Helicopter Repairer Two persons to assist 67R3F Attack Helicopter Repairer/Technical Inspector References: TM 1-1520-264-23 Equipment Conditions: Ref Condition 1.57 Helicopter safed 7.3 Hydraulic system vented 1.22 Fuel system vented 2.2 Access panels L200, R200, L230, and R230 removed 2.125 Access door T250L and T250R removed 2.126 Upper fuselage doors T290L and T290R re- moved 4.120 No. 1 engine outboard secondary nozzle re- moved 4.121 No. 1 engine inboard secondary nozzle re- moved 4.122 No. 1 engine center secondary nozzle re- moved 2.135 Engine nacelle fairing removed 4.123 Secondary nozzle structural support re- moved 4.170 No. 1 engine power available spindle aft cable removed 4.176 No. 1 engine load demand spindle aft cable removed 4.3 No. 1 engine removed 4.58 No. 1 engine louver removed 13.13 ENCU overboard exhaust duct removed 13.3 ENCU removed 7.139 Bleed air shutoff valve removed 12.57 Engine anti-ice relay box removed 9.148 Stabilator airspeed transducer removed 10.99 No. 1 engine crossfeed/shutoff valve re- moved 12.59 Ice detector processor removed 7.137 Aircraft air pressure fluid manifold removed 7.155 ENCU aft air tube removed 13.15 ECS shutoff valve removed 13.17 Air duct No. 1 removed 4.96 Left nacelle radiation shields removed 2.137 Work platform door removed GO TO NEXT PAGE