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 Item No. 34.2 Interval During Table 2-1. PREVENTIVE MAINTENANCE CHECKS AND SERVICES FOR M109 SELF-PROPELLED HOWITZER - CONTINUED Location Item to Check/ Service Driver’s Fixed And Portable Instrument Panels (LHR Engine Model 7083-7391) (Cont) Crewmember Procedure DRIVER f. TRANSMISSION OIL TEMP gage (8) reads 220 to 240 o F minimum, 300 o F maximum. g. TRANSMISSION OIL PRESSURE gage (9) reads 10 psi to 45 psi (69 to 310 kPa) at fast idle. h. Tachometer (10) operates without unusual fluc- tuation or noise. i. BATTERY gage (11) is in green (charging) range. j. Press to test COOLANT indicator light (12) for proper operation. Never run completely out of fuel. Injectors re- quire full return flow for cooling. k. FUEL gage (13) indicates fuel quantity available in each fuel tank. Use FUEL GAGE control switch (14) to select fuel tank. I. NBC indicator light (15) lights when NBC power switch (16) (M109A4/M109A5) is turned to ON position. NOTE M109A4/M109A5 configuration shown. Not Fully Mission Capable If: TRANSMISSION OIL TEMP gage (8) does not read within limits. TRANSMISSION OIL PRESSURE gage (9) does not read within limits. BATTERY gage (11) is inoperative or does not read within limits. 2-54.4 Change 2