OPERATING THE APU (continued) - TM-9-2350-287-10

OPERATING THE APU (continued) - TM-9-2350-287-10_161

TM-9-2350-287-10 Carrier Personnel Full Tracked Armored M113A3 2350-01-219-7577 (EIC AE7) Carrier Command Post Light Tracked M577A3 2350-01-369-6085 (EIC AE7) Manual
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TM 9-2350-287-10 OPERATING THE APU (continued) NOTE If APU engine does not start within one minute, release START switch, but continue to hold PREHEAT switch to ON for another 20 seconds (in temperatures above 55°F [12.8°C]) or one minute (in temperatures below 55°F [12.8°C]). After allotted time, hold START switch to MOMentary ON again. If engine still does not start, troubleshoot APU (p. 3-11). 7. While holding PREHEAT switch (2) to MOMentary ON, move START switch (5) to MOMentary ON. Hold both switches (2 and 5) ON for about 2 to 5 seconds, then release. APU engine should start. CAUTION To avoid damaging the APU engine, if LOW OIL PRESSure lamp remains lit after engine starts, or if it lights during APU operation, turn FUEL SHUT OFF switch to OFF to stop APU. Notify Unit maintenance if this problem occurs. 2-119

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