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. 46 47 Interval After After Table 2-1. PREVENTIVE MAINTENANCE CHECKS AND SERVICES FOR M109 SELF-PROPELLED HOWITZER - CONTINUED Location Item to Check/ Service Primary and Secondary Fuel Filters Universal Joint (Both sides) 2-66 Change 2 Crewmember Procedure DRIVER Open bottom drain cocks (1) and drain water until clear fuel flows from primary fuel filter (2) and sec- ondary fuel filter (3). Close drain cocks and turn on FUEL PRIME switch for 45 seconds before starting vehicle to purge fuel filters. Not Fully Mission Capable If: Any Class III leak is found. DRIVER Open transmission access door. Check for loose, broken, or missing mounting screws (1). Check for missing or broken lockwire (2). Notify unit mainte- nance if these conditions exist. Any universal joint screw is loose, broken or missing. Lock- wires are missing or broken.