TM-9-2350-311-20-1 Maintenance Manual for Volume 1 M109 Hull Download
Page 721 of 1275
TM 9-2350-311 -20-1 8-28 BATTERIES This task covers: a. Battery Specific Gravity Check b. Removal c. Installation Tools Lockwashers (2) (item 87, Appx G) General mechanic’s tool kit (item 64, Appx H) Lockwashers (8) (item 96, Appx G) Duo-tester (item 18, Appx H) References Matenals/Parts TM 9-6140-200-14 Distilled water (item 66, Appx D) Lockwashers (4) (item 77, Appx G) Battery compartment access doors open (para 11-6) Equipment Conditions a. Battery Specific Gravity Checks WARNING • Battery gases can explode. Do not smoke or allow sparks or open flames near batteries. Wear safety glasses or goggles when checking batteries. Failure to follow this procedure could cause serious injury or death. • When working on batteries, wear eye protection and remove all jewelry, dog tags, and metal items to avoid electrical shock and burns. ● Sulfuric acid contained in batteries can cause serious burns. If battery corrosion or electrolyte makes contact, take immediate action to stop the burning effects. When removing batteries, always disconnect ground cables first to prevent damage to batteries. 1 Remove battery caps (1) from all cells. NOTE • Repeat steps 2 thru 5 for each cell. ● Periodically calibrate the duo-tester with distilled water. 2 Swing plastic cover (2) back on duo-check coolant and battery tester. Clean measuring surface (3) and bottom cover (4) with clean, soft cloth. Close cover. 8-76 CAUTION