APU GENERATOR SYSTEM (SINGLE VOLTAGE) (cont)

APU GENERATOR SYSTEM (SINGLE VOLTAGE) (cont) - TM-9-2350-256-20_219

APU GENERATOR SYSTEM (SINGLE VOLTAGE) (cont) - TM-9-2350-256-20_221

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 (SINGLE 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. L Remove four nuts (1), four lockwashers (2), four screws (3), and APU control box (4) from mounting brackets. Place a jumper from pin H to socket H. Place red lead of multimeter on pin L of wire J 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, go to step 0. If voltage is not present, go to step P. M Reconnect APU control box to foot dimmer switch and bulkhead wiring harness to APU control box. Remove four screws (5), four lockwashers (6), and rear panel (7) from APU control box (4). Disconnect wire C of APU control box wiring harness from APU GEN switch. Place red lead of multimeter in wire C and black lead to ground. Turn MASTER and APU GEN switches on and check for voltage. If voltage is present, go to step N. If voltage is not present, repair/replace wire C of APU control box wiring harness (see paragraph 13-7). 2-152

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