TM-9-2350-311-10 M109 Operator's Manual for M109A2, M109A3, M109A4 and M109A5 Download
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2-20 2-20.4 TM 9-2350-311-10 OPERATION IN UNUSUAL ENVIRONMENT/WEATHER — CONTINUED Operation in Extreme Cold — Continued e. Cold Weather Starting (Vehicles with LHR Engine Model 7083-7391) — Continued 3 Depress brake pedal (7) and pull out and down on manual control handle (8) to engage parking brake. 4 Shift transmission shift control lever (9) into N (neutral) position. 5 Turn MASTER switch (10) to ON and MASTER switch indicator light (11) will illuminate. 6 Turn FUEL PRIME control switch (12) to ON for 45 seconds and release. 2-281