APU LOW OIL PRESSURE SYSTEM (cont) - TM-9-2350-256-20

APU LOW OIL PRESSURE SYSTEM (cont) - TM-9-2350-256-20_244

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. A Remove lamp from socket. Place red lead of multimeter in socket and black lead to ground. Turn MASTER and APU FUEL SHUTOFF switches ON, and check for voltage. Turn MASTER and APU FUEL SHUTOFF switches OFF. If voltage is present, replace lamp (see paragraph 13-7). If voltage is not present, go to step B. B Disconnect APU control box to foot dimmer switch and bulkhead wiring harness from APU control box. Place red lead of multimeter in socket N of wire 419 and black lead to ground. Turn MASTER switch on and check for voltage. Turn MASTER switch OFF. If voltage is present, go to step E. If voltage is not present, go to step C. 2-175

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