TM 5-4310-451-142-6. GENERAL PMCS PROCEDURES (Con’t).b. While performing specific PMCS procedures, Inspect the following components:(1) Bolts, Nuts, and Screws. Ensure that they are not loose, missing, bent, or broken, Report looseor missing bolts, nuts, and screws to Unit Maintenance.(2) Welds. Inspect for gaps where parts are welded together. Check for loose or chipped paint, rust,and cracks. Report bad welds to Unit Maintenance.(3) Electric Conduit, Wires, and Connectors. Inspect for cracked or broken conduit insulation,bare wires, and loose or broken connectors. Report loose connections and faulty wiring to Unit Maintenance.(4) Hoses, Lines, and Fittings. Inspect for wear, damage, and leaks. Ensure that clamps andfittings are tight. Report any damage, leaks, or loose fittings and clamps to Unit Maintenance.c. Check that components are adequately lubricated in accordance with Lubrication Instructions (seeChapter 3, Section I).2-7. SPECIFIC PMCS PROCEDURES.a.Operator/Crew PMCS are provided in Table 2-1. Always perform PMCS in the order listed. Once it becomes ahabit, anything that is not right can be spotted in a minute.b.Before performing PMCS, read all the checks required for the applicable Interval and prepare all the tools needed.Have several clean rags (Item 35, Appendix E) handy. Perform ALL Inspections at the applicable Interval.c.If anything wrong is discovered through PMCS, perform the appropriate troubleshooting task In Chapter 3, SectionII. If any component or system is not serviceable, or if a given service does not correct the problem, notify your supervisor.d.The columns in Table 2-1 are defined as follows:(1) Item No. Provides a logical sequence for PMCS to be performed and is used as a source of itemnumbers for the "TM ITEM NO." column when recording PMCS results on DA Form 2404.(2) Interval. Specifies the interval at which PMCS is to be performed.(3) Item to be Inspected. Lists the system and common name of items that are to be inspected.Included in this column are specific servicing, Inspection, replacement, or adjustment procedures to befollowed.NOTEThe terms “ready/available” and “mission-capable” refer to the same status:Equipment is on hand and is able to perform its combat missions (AR 700-138)(4)Equipment is Not/Ready Available If: Explains when and why the air compressor unit cannot be used.2-8. LEAKAGE DEFINITIONS.a. It is Important to know how fluid leakage affects the status of the air compressor unit. Following aretypes/classes of leakage an operator must know to determine whether the air compressor unit is mission-capable. Learnthese leakage definitions. When In doubt, notify your supervisor.Leakage Definitions for Operator/Crew PMCSClass I Seepage of fluid (as Indicated by wetness or discoloration) not greatenough to form drops.Class II Leakage of fluid great enough to form drops, but not great enough tocause drops to drip from item being Inspected.Class III Leakage of fluid great enough to form drops that fall from the item beinginspected.2-8
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