TM 10-3930-675-10 0013 00-17 Table 1.  Preventive Maintenance Checks and Services (PMCS) for RTCH-RT 240 - Continued. ITEM NO. INTERVAL LOCATION PROCEDURE NOT FULLY MISSION CAPABLE IF: ITEM TO CHECK/ SERVICE 48 Weekly Wheels and Tires WARNING Operating the truck with an underinflated or defective tire may lead  to  tire  failure  and  loss  of  steering  control.  Damage  to equipment or injury to personnel may result. NOTE If  tire  pressure  is  below  30  psi  (207  kPa),  do  NOT  inflate. Notify Organizational Maintenance. a. Check pressure in tires and adjust as required to 85 psi (586 kPa). b. Check if all wheel lug nuts are tight.    b.  Lug nuts are loose. 49 Weekly Dolly Wheels Storage Com- partment Check  dolly  wheels  storage  compart- ment doors, door hinges, and retaining latch for damage. 50 Weekly Dolly and Bogie Wheels a. Check   for   presence   and   general condition of four air transport dolly wheels in dolly wheels storage com- partment.  Ensure  that  dolly  wheel tires are inflated to 85 psi (586 kPa). a. Dolly wheels are missing or damaged,  if required for  air transport. b. Lower   and   visually   check   bogie wheels and tires for damage. Ensure that tires are inflated to 85 psi (586 kPa). b.  Damage  that  would  impair operation     is     evident,     if required for air transport. 51 Weekly Cab Check operation and general condition of doors, windows, and storage com- partments. 52 Weekly Exhaust System Check  exhaust  system  for  corrosion, looseness or damage. Exhaust    system    damage    is noted. 53 Weekly Air Conditioner Check     air     conditioner     operation. Operate  for  at  least  five  minutes  to help  prevent  drying  and  cracking  of tubing   seals   and   reduce   refrigerant leaks in the system.