TM 9-2320-361-10 (d) When tire inflation operation is completed, turn air valve handle (2) 90 degrees clockwise to close. Uncouple hose coupling half (5) from air coupling half (1) and install cover (3) on coupling half (1). (e) Return tire inflation gage (10) and hose (4) assembly to stowage compartment. 3-15. BATTERY INSPECTION WARNING Do not smoke, allow open flames, sparks, or wear jewelry when working near batteries. Battery gases may explode, causing injury or death to personnel. a. Park vehicle with engine off and parking brake applied. b. Turn handle (15) down and open battery compartment door (16). c. Loosen two thumbscrews (11) and push clamps (12) down to release battery box (13). d. Pull battery box (13) onto running board (14) and remove all battery filler caps (20). e. Check fluid level in each cell. If fluid level is low, notify your supervisor. Replace filler caps (20). WARNING When checking connections, do not let tools touch battery box. This may cause a direct short, arcing, tool will heat to red hot, and battery may explode, resulting in serious injury or death to personnel. f. Check cable-to-clamp connections (19), clamp-to-post connections (18), and ground connection (17) for tightness. If connections require tightening, notify your supervisor. g. Push battery box (13) in place and raise clamps (12) to hold box (13) in place. Tighten thumbscrews (11). 3-27 3-14. WHEELS AND TIRES (Contd)