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. 66 Interval Weekly Table 2-1. PREVENTIVE MAINTENANCE CHECKS AND SERVICES FOR M109 SELF-PROPELLED HOWITZER — CONTINUED Location Item to Check/ Service Batteries Crewmember Procedure DRIVER Lead-acid battery gases can explode. Do not smoke, have open flames, or make sparks around a battery, especially if the caps are off. If any gassing exists, notify unit maintenance since it can explode and cause injury to equip- ment and personnel. a. b. c. Check electrolyte level. Level should be above battery (1) cover plates. If low, fill to proper level with distilled water (item 13, Appx D). Check that battery (1) cable connections are tight and are not corroded. If loose or corroded, notify unit maintenance. Clean battery (1) caps and tighten. Coat battery lugs with light coat of grease (item 17, Appx D). Not Fully Mission Capable If: Any battery (1) is broken or cracked. Any battery (1) cable or terminal is loose. Batteries (1) will not start vehicle. 2-82