ARMY TM 9-6115-672-14 AIR FORCE TO 35C2-3-444-32 MARINE CORPS TM 09244A/09245A-14 2-16   TABLE 2-5.  OPERATOR PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS) CAUTION Engine oil and filter must be changed at a hardtime - 100 hours on initial break-in.  Failure to change oil and filter may void warranty. B-BEFORE D-DURING A-AFTER Interval Item No. B D A Item to be inspected Procedures Check for and have repaired or adjusted as necessary Equipment is not ready/ available if: GENERATOR SET 1 Housing Check door, panels, hinges, and latches for damaged, loose or corroded items. Inspect air intake and exhaust grilles for debris. Cannot secure doors.   Cannot clear debris. 2 Identification Plates Check to ensure identification plates are secure. 3 Skid Base Inspect skid base for cracks or corrosion.     Skid base is cracked or shows signs of structural damage. 4 Insulating/Materials Ensure that insulating materials are free of damage, not missing, and not touching moving or exhaust system parts. __________ WARNING Operating the generator set with any access door open exposes personnel to high noise level.  Hearing protection must be worn when operating or working near the generator set with any access door open.  Failure to comply can cause hearing damage to personnel. __________ WARNING Fuels in the generator set are flammable.  Do not smoke or use open flame when performing maintenance Failure to comply can result in flames and possible explosion and can cause injury or death to personnel and damage to the generator set. TABLE 2-5.  OPERATOR PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS) (continued)