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 2-17 OPERATING AUXILIARY EQUIPMENT — CONTINUED 2-17.5 Fire Extinguishers a. Fixed Fire Extinguisher Handles To avoid injury, turn off engine when extinguishing fires. The fire extinguisher doesn’t work properly while the engine is running. 1 Stop vehicle. Shut off engine and turn MASTER switch (1) to OFF. To avoid injury, all personnel must exit vehicle during fire extinguishing efforts. 2 Pull either internal fire extinguisher handle (2) or external fire extinguisher handle (3) to expel carbon dioxide into the engine compartment, forcing out the air and putting out the fire. NOTE Internal fire extinguisher handle is located to rear of driver’s compartment. NOTE External fire extinguisher handle is located to left of driver’s hatch cover. 2-259