TM-9-2320-280-10 HMMWV Operator Manual Download
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TM 9-2320-280-10 2-98 Change 1 Item No. Interval Cr ewmember Procedure Not Fully Mission Capable If: Table 2-2. Preventive Maintenance Checks and Services (Cont’d) Location Item to Check/ Service DRIVER 54 Weekly Batteries WARNING • Don’t smoke, have open flames, or make sparks around batteries, espe- cially if the caps are off. Batteries can explode and cause injury or death. • Remove all jewelry such as rings, dog tags, bracelets, etc. If jewelry contacts battery terminal, a direct short will result, causing instant heating of tools, severe injury to personnel, or damage to equipment. a. Remove companion seat a. One or more bat- and check batteries for dam- teries missing, un- aged casing, terminal posts, serviceable, leaking, and security of mounting. terminal or cables Notify unit maintenance if are loose, corroded, any defects are found. or holddowns are not secure. b. Electrolyte should be filled to the level/split ring in the battery filler opening (vent). If fluid is low, fill with distilled water to split ring (refer to appendix D, item 27). If fluid is gassing (boiling), notify unit maintenance. NOTE Water in battery box can be caused by debris plugging battery box drain holes. If water is present, clean debris from battery box drain holes. c. Check battery box for cor- rosion or water on bottom of battery tray.