APU GENERATOR SYSTEM (SINGLE VOLTAGE) (cont)

APU GENERATOR SYSTEM (SINGLE VOLTAGE) (cont) - TM-9-2350-256-20_222

APU GENERATOR SYSTEM (SINGLE VOLTAGE) (cont) - TM-9-2350-256-20_224

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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SECTION V: TROUBLESHOOTING TM 9-2350-256-20 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. R Reconnect bulkhead to engine wiring harness and starter relay wiring harness to bulkhead. Disconnect wire C of switch panel to neutral safety to bulkhead wiring harness from APU control box to foot dimmer switch and bulkhead wiring harness. Place red lead of multimeter in female connector of wire C 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 C of APU control box to foot dimmer switch and bulkhead wiring harness (see paragraph 6-80). If voltage is not present, repair/replace wire C of switch panel to neutral safety to bulkhead wiring harness (see paragraph 6-54). S Reconnect bulkhead to engine wiring harness and starter relay wiring harness to bulkhead disconnect. Disconnect wire C of bulkhead to engine wiring harness and starter relay wiring harness from wire C of bulkhead to APU, master relay, and rigger's lights wiring harness. Place red lead of multimeter on male connector wire C 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 C of bulkhead to engine wiring harness and starter relay wiring harness to bulkhead disconnect (see paragraph 6-72). If voltage is not present, repair/replace wire C of bulkhead to APU, master relay, and rigger's lights wiring harness (see paragraph 6-76). T Reconnect bulkhead to engine wiring harness and starter relay wiring harness to bulkhead disconnect. Disconnect wire J from hydraulic pressure switch. Place red lead of multimeter in wire J and black lead to ground. Turn MASTER, APU pressure and APU GEN switches ON and check for voltage. Turn MASTER and APU GEN switches OFF. If voltage is present, go to step V. If voltage is not present, go to step U. 2-155

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