TM 9–2320–209–10-4 FRAME 2 1. 2. 3. 4. WARNING Wear safety glasses or goggles when checking batteries. Always check electrolyte level with engine stopped. Do not smoke or use exposed flame when checking battery explosive gases are present and severe injury to personnel can result. Remove all jewelry such as rings, dog tags, bracelets, etc. If jewelry contacts battery positive terminal and ground, a direct short will result in instant heating of tools, causing damage to equipment and injury to personnel. Unscrew and take off 12 battery filler caps (1). Check the electrolyte level in each cell. Electrolyte level should be to the level/split ring in the battery filler opening. If fluid is low, fill with distilled water to the level ring. If fluid is boil ing, notify next higher maintenance. Screw on and tighten 12 battery filler caps (1). Check tightness of cables (2) to clamps (3) and clamps (2) to terminal posts (4). Tighten connections if needed. GO TO FRAME 3 Change 1 2-33