SECTION V: Troubleshooting TM 9-2350-256-20WARNINGRemove all jewelry such as rings, dog tags,bracelets, etc. If jewelry contacts a metalsurface a direct short may result in instantheating of tools, damage to equipment, andinjury or death to personnel.GReconnect generator power lead assembly to enginedisconnect. Remove powerplant (see paragraph 3-1).Disconnect wire 2 of generator power lead assemblyfrom generator. Place red lead of multimeter onterminal of generator and black lead to ground. TurnMASTER switch on, start engine, open generatorcutout switch and check for voltage. Turn engine andMASTER switch OFF, and close generator cutoutswitch. If voltage is present, repair/replace generatorpower lead assembly (see paragraph 6-36). If voltageis not present, replace engine generator (seeparagraph 6-1).H Reconnect bulkhead to engine bracket and rear fueltank transmitter wiring harness to switching relay box.Disconnect APU and engine generator relays tovoltage regulator wiring harness from switching relaybox. Place red lead of multimeter in socket D of wire1-61 and black lead to ground. Turn MASTER switchon, start engine, open generator cutout switch andcheck for voltage. Turn engine and MASTER switchOFF and close generator cutout switch. If voltage ispresent, go to step I. If voltage is not present,repair/replace wire 1-61 of APU and engine generatorrelays to voltage regulator wiring harness (seeparagraph 6-81).I Reconnect APU and engine generator relays tovoltage regulator wiring harness to engine regulator.Disconnect bulkhead to engine bracket and rear fueltank transmitter wiring harness from switching relaybox. Place red lead of multimeter on pin C of wire 1and black lead to ground. Turn MASTER switch on,start engine, close generator cutout switch and checkfor voltage. Turn engine and MASTER switch OFFand open generator cutout switch. If voltage ispresent, go to step J. If voltage is not present,replace switching relay box (see paragraph 6-13).2-133
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