1–16. ELECTRONIC EQUIPMENT TEST FACILITY (EETF) TESTABLE LRUs

TM 1-1520-238-T-4 1–9 1–14 GENERAL PROCEDURES – SUMMARY (cont) 1–14 c. When completing troubleshooting you MUST: (1) Repeat and complete the MOC. (2) Secure all doors, panels and opened areas. 1–15. TROUBLESHOOTING LINE REPLACEABLE UNITS (LRUs) OFF THE HELICOPTER 1–15 Troubleshooting beyond the scope of this volume for LRUs with built–in–test equipment is done at the EETF QQ–290(V)2/MSM (TM 11-6625-3085-12). 1–16. ELECTRONIC EQUIPMENT TEST FACILITY (EETF) TESTABLE LRUs 1–16 a. The following is a list of all the helicopter system LRUs which are covered in this volume and on which off helicopter troubleshooting is accomplished using the EETF. b. The LRUs are listed by chapter, system and name of unit for which on helicopter troubleshooting is performed in this volume. MANUAL System LRU Name TM 1-1520-238-T-5 Instruments Signal Data Converter Engine Oil Pressure Indicator, Pilot Gas Turbine Rpm (N_G RPM%) Indicator, Pilot Turbine Gas Temperature (TGT) Indicator, Pilot Engine TORQUE Indicator, Pilot and CPG Engine Rotor (ENG–RTR RPM%) Rpm Indicator, Pilot and CPG Fuel Quantity Indicator, Pilot Selectable Digital Display, CPG TM 1-1520-238-T-6 Electrical Generator Control Unit 1 Generator Control Unit 2 Transformer/Rectifier 1 Transformer/Rectifier 2 Battery Charger Engine Out/Rotor Rpm/Stabilator Warning Box Caution/Warning Panel, Pilot Caution/Warning Panel, CPG Master Caution/Warning Panel, Pilot Master Caution/Warning Panel, CPG Multi–Channel Dimming Controller Anti–Collision Light Power Supply External Power Monitor