ARMY TM 5-6115-633-14&P
Section V. PREVENTIVE MAINTENANCE CHECKS AND SERVICES
The PMCS chart in this section contains all necessary unit preventive
maintenance checks and services for this equipment.
4-10. General. The trailer assembly and generator sets must be inspected and serviced systematically to
insure that the power plant is ready for operation at all times. Inspection will allow defects to be
discovered and corrected before they result in serious damage or failure, Table 4-1 contains a tabulated
list of preventive maintenance checks and services to be performed by unit maintenance personnel. All
of the unit PMCS on the trailer is scheduled to be performed 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 following as a guide,
do the checks and services at the intervals shown. Observe all CAUTlONS and WARNINGS.
For PMCS performed on an operating time basis, perform your hourly (H) PMCS as close as
possible to the time intervals indicated.
For units in continuous operation, perform PMCS before starting
operation if continuous operation will extend service interval past that
which is shown.
Perform your weekly (W) PMCS every week or 40 hours of generator set operating time.
Perform your monthly (M) PMCS every month or 100 hours of generator set operating time.
Do your semiannual (S) PMCS once every six months or 500 hours of generator set operating time.
Do your annual (A) PMCS once every year or 1000 hours of generator set operating time.
If you discover a problem with the equipment, refer to Section VI, Troubleshooting. If you cannot
4-11. Explanation of Columns. The following is a list of the PMCS table column headings with a
description of the information found in each column.
Item No. This column shows the sequence in which to do the checks and services, and is used to
identify the equipment area on the Equipment Inspection and Maintenance Worksheet, DA
Interval.. This column shows when each check is to be done.
Item to be Inspected. This column identifies the general area or specific part where the check or
service is to be done.
d. Procedures. This column lists the checks or service you have to do and explains how to do them.
4-12. Reporting Deficiencies. If you discover any problem with the equipment during PMCS that you are
unable to correct, it must be reported, Refer to DA Pam 738-750 and report the deficiency using
the proper forms.