TM 1-4920-924-13&P
FIELD MAINTENANCE
AVIATION SHOP EQUIPMENT CONTACT MAINTENANCE (AV SECM) SYSTEM
PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS) INTRODUCTION
General
When performing a PMCS or simple routine checks, observe all WARNINGS listed in the WARNING SUMMARY
and throughout the manual.
Preventive maintenance is the systematic care, servicing, and inspection of equipment to prevent the occurrence
of problems, to reduce downtime, and to maintain equipment in serviceable condition. To ensure that the
equipment is always ready for a mission, perform the scheduled Preventive Maintenance Checks and Services
(PMCS) (WP 0010).
This section lists the required Preventive Maintenance Checks and Services for the AV SECM. Always keep in
mind the Warnings listed in the WARNING SUMMARY. To ensure that the AV SECM is ready for operation at all
times, it must be inspected systematically so defects may be discovered and corrected before they result in serious
damage of system failure. The necessary preventive maintenance checks and services that are to be performed
by operator personnel listed and described in (WP 0010)..
Routine maintenance like cleaning, washing, corrosion control, storage and shipping etc., are not listed as part
of the PMCS. These tasks should be performed when they are needed.
Determining PMCS Intervals
Operator PMCS for the AV SECM should be performed on a MONTHLY time interval as indicated in (WP 0010)..
Defects
Deiciencies that cannot be corrected must be reported on DA Form 2404 or DA Form 5988-E to maintenance
personnel. Records and reports of preventive maintenance must be iled and maintained IAW DA PAM 750-8.
Explanation of Columns
Item No. Columns
The item numbers are listed sequentially and indicate the minimum requirements for the checks and services.
This column shall be used as a source of item numbers for the TM Number Column on DA Form 2404, or DA
Form 5988-E. Use Equipment Inspection and Maintenance Worksheet, IAW DA PAM 750-8 when recording
results of the PMCS.
Interval Column
Indicates the time interval upon which the checks and services must be performed. Intervals are divided as follows:
Designated Intervals
BEFORE checks and services of Preventative Maintenance must be performed prior to using the system.
DURING checks and services of Preventative Maintenance must be performed while using the system.
AFTER checks and service of Preventative Maintenance must be performed after using the system.
MONTHLY checks and services of Preventative Maintenance must be performed every 30 days.
Item To Be Inspected/Service Column
Indicates items and components to be inspected and or serviced.
Procedures Column
Indicates the procedure by which the inspection or service is to be performed. When replacement or repair of a
component is required, the procedures column will direct personnel to the appropriate task/work package
EQUIPMENT NOT READY/ AVAILABLE IF
Indicates vehicle should not be used if the listed discrepancies exist.
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