APU GENERATOR SYSTEM (DUAL VOLTAGE) (cont)

APU GENERATOR SYSTEM (DUAL VOLTAGE) (cont) - TM-9-2350-256-20_209

APU GENERATOR SYSTEM (DUAL VOLTAGE) (cont) - TM-9-2350-256-20_211

TM-9-2350-256-20 Carrier Cargo Tracked 6-Ton M548A1 (2350-01-096-9356) M548A3 2350-01-369-6081 Manual
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CHAPTER 2: VEHICLE MAINTENANCE INSTRUCTIONS TM 9-2350-256-20 2-19 ELECTRICAL TROUBLESHOOTING-Continued APU GENERATOR SYSTEM (DUAL VOLTAGE)--Continued WARNING Remove all jewelry such as rings, dog tags, bracelets, etc. If jewelry contacts a metal surface a direct short may result in instant heating of tools, damage to equipment, and injury or death to personnel. I Reconnect APU control box to foot dimmer switch and bulkhead wiring harness to APU control box. Remove four screws (5) and four lockwashers (6), and release rear panel (7) from APU control box (4). Disconnect wire 61 of APU control box wiring harness from APU GEN switch. Place red lead of multimeter in wire 61 and black lead to ground. Turn MASTER and APU GEN switch ON and check for voltage. If voltage is present, go to step J. If voltage is not present, repair/replace APU control box wiring harness (see paragraph 13-7). J Reconnect wire 61 to APU GEN switch. Disconnect wire 61A from APU GEN switch. Place red lead of multimeter on APU GEN switch terminal and black lead to ground. Turn MASTER and APU GEN switches ON, and check for voltage. Turn MASTER and APU GEN switches OFF. If voltage is present, repair/replace wire 61A of APU control box wiring harness (see paragraph 13-7). If voltage is not present, replace APU GEN switch (see paragraph 13-7). 2-142

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