TM 9-2320-386-10 3-26 3-9. WHEELS AND TIRES a. General. Tires are checked as part of preventive maintenance checks and services (refer to table 2-2). If tire becomes flat while operating, stop vehicle immediately if tactical situation permits. b. Spare Wheel Replacement. NOTE This procedure requires two personnel. (1) Removal. (a) Park vehicle on level ground with engine off and parking brake applied. (b) Remove two nuts (3) from studs (5) and bracket (2). WARNING When lowering spare wheel, hold wrench handle bar securely. Do not release bar until wheel touches ground. If bar must be released before wheel touches ground, lock shaft in place with pawl. Failure to do this may cause wheel to drop and bar to spin, resulting in injury or death to personnel. (c) Using wheel stud nut wrench and wrench handle bar, turn shaft (8) clockwise to take the tension off the pawl (1) so it can be released. (d) Using wheel stud nut wrench and wrench handle bar, turn shaft (8) counterclockwise until spare wheel (7) is lowered to ground. (e) Remove plate (6) from spare wheel (7). (2) Installation. (a) Position plate (6) and two studs (5) on spare wheel (7). WARNING Pawl must rest on shaft gear teeth before raising spare wheel. Failure to do this may cause wheel to drop and bar to spin, resulting in injury or death to personnel. (b) Using wheel stud wrench and wrench handle bar, turn shaft (8) clockwise until spare wheel (7) is raised into place against bracket (2). WARNING Ensure studs are fully seated in slots before installing nuts. Wheels may drop during operation of vehicle, resulting in injury or death to personnel. (c) Install two nuts (3) on studs (5) of plate (6) over slots (4) in bracket (2). (d) Tighten two nuts (3).