TM-9-2350-311-10 M109 Operator's Manual for M109A2, M109A3, M109A4 and M109A5 Download
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TM 9-2350-311-10 2–1 OPERATOR’S CONTROLS, INDICATORS, AND INSTRUMENTS — CONTINUED 2–1.2 Portable Instrument Panel 1 2 3 4 5 6 7 8 9 10 11 WATER TEMP GAGE INDICATOR LIGHTS ENGINE OIL PRESSURE GAGE FUEL GAGE BATTERY GAGE MASTER SWITCH MASTER SWITCH INDICATOR LIGHT TRANSMISSION OIL PRESSURE GAGE MASTER WARNING INDICATOR LIGHT COOLANT INDICATOR LIGHT TRANSMISSION OIL TEMP GAGE Indicates engine water temperature. Illuminates portable instrument panel. Indicates engine oil pressure. Indicates fuel level. Indicates battery condition. Activates the vehicle electrical system. Illuminates when MASTER switch is in ON position. Indicates transmission oil pressure. Indicates critical engine operating conditions including trans- mission oil low pressure, transmission oil high temperature, engine coolant high temperature, and engine oil low tempera- ture. Indicates low coolant. Indicates transmission oil temperature. 2-4