TM 9-4310-394-13 Table 2-1.  Operator Preventive Maintenance Checks and Services for the Air Compressor Unit, Model PD32T5 - Continued. Location Item No. Interval Procedure Not Mission Capable If: Item to Check/Service 9 Before AIR CLEANER Inspect air cleaner housing Air cleaner housing is HOUSING for damage.  Check for loose damaged.  Mounting hard- or missing mounting hard- ware is loose or missing. ware. 10 Before FILTER Remove cover from air Filter element is missing. ELEMENT cleaner housing and inspect filter element is very dirty filter for clogging. or clogged. 11 Before MUFFLER Inspect muffler for excessive Muffler is badly corroded. corrosion.  Check for loose/ Mounting hardware is missing mounting hardware. loose or missing. 12 Before OIL CAP/ Inspect for missing or dam- Oil cap/gauges is GAUGES aged oil cap/gauges. missing or damaged. 13 Before LABELS AND Inspect all engine labels for Engine gaskets leak. GASKETS readability. Check all visible engine gaskets for leaks. 14 Before DECOMPRESS- Operate handle and check Handle does not actuate. ION HANDLE that lever on engine is decompression lever on moving. engine. 15 During MUFFLER Check that muffler does not Muffler does not reduce allow excessive engine noise. engine noise properly. 16 After FUEL TANK Inspect fuel level in tank. Fill with fuel as needed. 17 After OIL/CAP Check for proper oil level. GAUGES Fill with oil as needed.  See LO 94310-394-12. COMPRESSOR 18 Before SAFETY VALVE Inspect for damaged safety Safety valve is damaged. valve. 19 Before COMPRESSOR Inspect for damaged drain Drain pan is damaged. OIL DRAIN pan or missing mounting Mounting hardware is hardware.  Check for proper missing.  Oil level oil level. is incorrect. 2-8