TM 5-6115-640-14&P4-10. GENERAL.The trailer assemblies and generator sets of the power plants must be inspected and service systematically to ensurethat the power plants are ready for operation at all times. Inspection will allow defects to be discovered and correctedbefore they result in serious damage or failure. Table 4-1 contains a tabulated list of preventive maintenance checks andservices to be performed by unit maintenance personnel. All of the unit PMCS on the trailers are scheduled to beperformed semiannually. Unit PMCS on the generator sets are scheduled weekly or on a per-hours-of-operation basis.The running time meter on the control panel is used to determine the generator set operating time. Using the followingas a guide, do the checks and services at the intervals shown. Observe all CAUTIONS and WARNINGS.a.For PMCS performed on an operating time basis, perform your hourly (H) PMCS as close as possible to the timeintervals indicated.NOTEFor units in continuous operation, perform PMCS before starting operation if continuousoperation will extend service interval past that which is shown.b.Perform your weekly (W) PMCS every week or 4U hours of generator set operating time.c.Perform your monthly (M) PMCS every month or 10u hours of generator set operating time.d.Do your semiannual (S) PMCS once every 6 months.e.If you discover a problem with the equipment, refer to Section VI, Troubleshooting. If you cannot correct theproblem, refer to paragraph 4-12, Reporting Deficiencies.4-11. EXPLANATIONOFCOLUMNS.The following is a list of the PMCS table column headings with a description of the information found in each column.a.ItemNo.This column shows : the sequence in which to do the checks and services, and is used to identify theequipment area on the Equipment Inspection and Maintenance Worksheet, DA Form 2404.b.Interval. This column shows when each check is to be done.c.ItemtobeInspected. This column identifies the general area or specific part where the check or service is to bedone.d.Procedures. This column lists the checks or service you have to do and explains how to do them.4-12
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