TM 10-3930-659-10 Table 2-1.  Preventive Maintenance Checks and Services (Con’t). LOCATION ITEM ITEM TO NOT FULLY MISSION NO. INTERVAL CHECK/ PROCEDURE CAPABLE IF: SERVICE 41 Weekly Air (Con’t) Cleaner WARNING Compressed   air   used   for   cleaning   or   drying purposes,  or  for  clearing  restrictions,  should never  exceed  30  psi  (207  kPa).    Wear  protec- tive  clothing  (goggles/shield,  gloves,  etc.)  and use caution to avoid Injury to personnel. (1) Clean dusty filter element with compressed air. (2) Clean oily or sooty filter element with warm water and detergent (Item 2, Appendix D). 2-33