APU CONTROL BOX

TM-9-2350-256-10 Carrier Cargo Tracked 6-Ton M548A1 (2350-01-096-9356) Manual
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TM 9-2350-256-10 c. APU CONTROL BOX. (1) FUEL SHUTOFF switch (1). Shuts off fuel supply to APU. (2) PREHEAT switch (2). Turns on preheating units in APU and supplies power to start button. (3) ENGINE OIL PRESSURE gage (3). Indicates engine oil pressure in pounds per square inch (psi). Normal operating range is 25 to 36 psi (172 to 248 kilopascal [kPa]). (4) HIGH AIR TEMP light (4). Red lamp lights when APU overheats. (5) LOW OIL PRESS light (5). Lights when oil pressure is low. (6) APU START switch (6). Tums APU ON or OFF. (7) APU GEN switch (7). Tums APU generator ON or OFF. 2-7

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