Table 3-1. Unit Preventive Maintenance Checks and Services (PMCS) (Cont).

Table 3-1. Unit Preventive Maintenance Checks and Services (PMCS). W - Weekly M - Monthly Q - Quarterly H - Hourly Interval Item No. W M Q H Item to be Inspected Procedures 1 Diving air compressor Inspect for loose, damaged, or missing parts. 2 Diesel engine Inspect Inspect for cracks, loose, damaged or missing parts. Check compressor drive belts for cracks, wear, and tension. 150 Service Service engine. Refer to para. 3-13. 3 Muffler and pipes Inspect for leaks, holes and cracked seams, loose or missing parts. Replace damaged parts. Refer to para. 3-14. 4 Exhaust manifold Inspect for cracks, leakage around gasket, loose, damaged or missing parts. Replace damaged parts. Refer to para. 3-15. 5 Cooling system Inspect for cracks, bent guards, shroud, and shell, leakage from radiator or water connections and water pump, loose, damaged or missing parts. Inspect fan and pulley for damage. Replace damaged parts. Refer to para. 3-18 through 3-23. 6 Fuel lines and fittings Inspect for leakage, crimped tubing, fitting tightness and seal, and for damaged fitting threads. Replace damaged parts. Refer to para. 3-24. 7 300 Fuel filter assembly Service fuel filter. Refer to para. 3-25. 8 300 Fuel strainer assembly Service fuel strainer. Refer to para. 3-26. 9 Governor assembly Inspect governor for broken or cracked actuating arm, bent or missing linkage. Notify direct support and general support maintenance of damaged parts. 10 500 Air cleaner assembly Service air cleaner assembly. Refer to para. 3-28. 11 Air box drains Inspect for damage and missing parts. 3-4 Change 1

Table 3-1. Unit Preventive Maintenance Checks and Services (PMCS) (Cont)

TM-5-4310-379-14 Compressor Air Reciprocating Electric Motor Driven Reciprocating Electric Motor Driven 15 CFM at 175 PSI Manual
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TM 5-4310-379-14 Table 3-1. Unit Preventive Maintenance Checks and Services (PMCS) (Cont). W - Weekly M - Monthly Q - Quarterly H - Hourly Interval Item No. W M Q H Item to be Inspected Procedures 12 Starter Inspect for cracks, loose, damaged or missing parts. Test starter and replace. Refer to para. 3-31. 13 Starting aid Inspect starting aid for cracked brackets, loose, damaged or missing parts. Replace damaged parts. Refer to para. 3-32. 14 Battery charging alternator Inspect for cracks, loose, damaged or missing parts. Test alternator and replace if defective. Refer to para. 3-33. 15 Wiring harness Inspect wiring harness for frayed or burnt wires. Replace damaged parts. Refer to para. 3-34. 16 Battery, holddown and cables Inspect battery and hold for loose, damaged or missing parts. Inspect cables for cracks, or signs of burnt wires. Check electrolyte level. Add distilled water if level is low. Refer to para. 3-35. 17 150 Oil filter assembly Service oil filter. Refer to para. 3-37. 18 Crankcase breather pipe Inspect breather pipe and replace if damaged or missing. Refer to para. 3-40. 19 8 Power take-off a. Lubricate clutch release bearing (1) with all purpose grease. 50 b. Lubricate power take-off main bearing (2) with all purpose grease. 500 c. Lubricate clutch release levers and link pins (3). d. Lubricate clutch release shaft bearings (4) 500 through grease fittings. 3-5

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