TM 1-1520-238-23 2-648 Change 3 2.180. TRANSPARENT CREW PROTECTION ARMOR BARRIER REPLACEMENT 2.180.1. Description This task covers: Removal. Cleaning. Inspection. Installation. 2.180.2. Initial Setup Tools: Aircraft mechanic’s tool kit (item 376, App H) Materials/Parts: Cloth (item 52, App F) Tape (item 201, App F) Personnel Required: 67R Attack Helicopter Repairer One person to assist 67R3F Attack Helicopter Repairer/Technical Inspector References: TM 1-1500-204-23 TM 9-1230-476-20-1 TM 9-1270-221-23 TM 11-1520-238-23-1 Equipment Conditions: Ref Condition 1.57 Helicopter safed 2.62 Pilot station access door re- moved 2.54 CPG station access door removed 2.68 Canopy door anchor strut rods removed 2.159 Left aft vertical cockpit gla- reshield removed 2.158 Right aft vertical cockpit glareshield removed 2.156 Pilot fixed glareshield re- moved 2.178 Upper nontransparent bar- rier armor assembly re- moved 2.188 Pilot boresight reticle unit (BRU) mount support re- moved 8.9 Pilot turbine gas tempera- ture (TGT) indicator re- moved NO TAG Pilot circuit breaker panel removed 12.77 Canopy severance device components on both sides of transparent barrier re- moved 13.45 CPG right and left defog hoses detached from pilot station and pulled clear of transparent barrier TM 11-1520-238-23-1 Video display unit (VDU) removed GO TO NEXT PAGE