PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS) INTRODUCTION

TM 9-2320-312-10

PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS) INTRODUCTION

GENERAL

To ensure that the M878A2 Yard Tractor is ready for operation at all times, it must be inspected and lubricated on a

regular basis so that defects may be found and corrected before they result in serious damage, equipment failure or injury

to personnel. Table 1 in WP 0012 00 contains systematic instructions on inspections, lubrication, adjustments, and corrections

to be performed by the operator to keep your equipment in good operating condition and ready for its primary mission.

EXPLANATION OF TABLE ENTRIES

Item Number (Item No.) Column. Numbers in this column are for reference. When completing DA Form 2404

(Equipment Inspection and Maintenance Worksheet), include the item number for the check/service indicating a

fault. Item numbers also appear in the order that you must perform checks and services for the interval listed.

Interval Column. This column tells you when you must perform the procedure in the procedure column.

Before procedures must be done immediately before you operate the tractor.

During procedures must be done while you are operating the tractor.

After procedures must be done immediately after you have operated the tractor.

Monthly procedures must be done once each month.

Location, Item to Check/Service Column. This column provides the location and item to be checked or serviced.

NOTE

The WARNINGs and CAUTIONs appearing in your PMCS table should always be observed. WARN-

INGs and CAUTIONs appear before applicable procedures. You must observe these WARNINGs to

prevent serious injury to yourself and others, and CAUTIONs to prevent your equipment from being

damaged.

Procedure Column. This column gives the procedure you must perform to check or service the item listed in the

Item to Check/Service column, to know if the equipment is ready or available for its intended mission or for opera-

tion. You must perform the procedure at the time stated in the interval column.

Not Fully Mission Capable If: Column. Information in this column tells you what faults will keep your equipment

from being capable of performing its primary mission. If you perform check/service procedures that show faults

listed in this column, the equipment is not mission-capable. Follow standard operating procedures for maintaining the

equipment or reporting equipment failure.

GENERAL PMCS PROCEDURES

Always perform PMCS in the same order so it gets to be a habit. Once you've had some practice, you'll spot anything

wrong in a hurry. If the tractor does not perform as required, refer to the appropriate troubleshooting procedure in

If anything looks wrong and you can't fix it, write it on your DA Form 2404. If you find something seriously wrong,

IMMEDIATELY report it to your supervisor.

Before performing preventive maintenance, read all the checks required for the applicable interval and prepare all the

tools you need to make all the checks. You'll always need a rag (Item 15, WP 0019 00) or two.

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