ARMY  TM  9-6115-643-24 AIR  FORCE  TO  35C2-3-445-22 TABLE  2-5.  Unit  Preventive  Maintenance  Checks  and  Services M-Monthly Q-Quarterly S-Semi-annually A-Annually B-Bi-annually H-Hours I n t e r v a l Item No. 1 2 3 4 5 6 7 8 300 300 1500 300 300 750 300 Item to  be Inspected Engine Lube  Oil Fuel Filter/ Water Separator Cooling System Radiator Cap Batteries Air Cleaner Assembly Air Cleaner Tubing and   Breather Hardware and sound Insulation Procedures Check  for  and  have repaired  or adjusted  as necessary NOTE.  Oil  filter  should  be changed  with  lube  oil  change. Refer   to   TM   9-2815-254-24 Drain  engine  lube  oil.  Add proper  lube  oil  per LO   9-6115-643-12 Change  fuel  filter/water  sepa- rator   Refer   to   paragraph 2.93. Drain   coolant   and   flush   cool- ing   system   Add   proper   cool- ant  Refer  to  paragraph 2.75.2. Inspect  radiator  cap  for  corro- sion,   torn   or   deteriorated   seal, and   obvious   damage. Remove  batteries.  Refer  to paragraph   2.12.2   Clean   bat- teries,  cable  terminals,  and battery   posts   Test   batteries for  state  of  charge.  Refer  to paragraph  2.12.1. Inspect   air   cleaner   assembly and   mounting   bracket   for cracks,   dents,   and   other   dam- age.  Inspect  element  for  clogs and  damage.  Clean  or  replace as   necessary   Clean   housing with   cleaning   cloth Remove,  clean,  and  Inspect tubing   and   breather.   Refer   to paragraph   2.74. Inspect  for  loose,  damaged, or  missing  hardware  and sound   insulation   Tighten loose   hardware   Repair   or   re- place  damaged  or  missing hardware   arid   insulation Equipment   IS not  Ready/ Available   if Radiator   cap or  seal  is damaged Batteries   will not  hold charge. Loose,  mis- sing,  or  dam- aged   hardware or   insulation 2-10 Change 4