ARMY  TM  9-6115-643-24 AIR  FORCE  TO  35C2-3-445-22 TABLE  2-5.  Unit  Preventive  Maintenance  Checks  and  Services  -  Continued M-Monthly Q-Quarterly S-Semi-annually A-Annually B-Biannually H-Hours Procedures Interval Check  for  and  have Item M Q S A B H Item repaired  or Equipment   is to  be adjusted  as not   Ready/ No. Inspected necessary Available   if: 9 1500   Radiator Clean   radiator   exterior   sur- and   Interior faces.  Refer  to  paragraph of  Generator 2.76.   Clean   engine   ccmpart- set ment. 10 1500   Magnetic Remove,  inspect  and  dean Magnetic   pick- Pickup magnetic  pickup.  Refer  to up  is  dam- paragraph   2.106. aged. 11 12 wiring Harnesses 3000   Muffler Inspect   wiring   harnesses   for W iring  har- break   and   loose   connec- nesses   are tions.  Repair  and  tighten  wir- damaged   or ing   harnesses   as   necessary. connections are  loose. Check  mufffer  for  leaks,  re- Muffler   leaks, striction,   and   accumulation   of is   restricted,   or carbon.  Replace  or  dean  as has   excessive required. carbon   accu- mulation. N  O  T  E If  the  auxiliary  fuel  system  is  used  as  the  primary  fuel source,  then  the  auxiliary  fuel  filter  must  be  replaced semi-annually. 13 300  Auxiliary Fuel   Filter Check  for  proper  operation using   the   auxiliary   fuel   system as   primary   source. Change 4 2-11