PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS) INTRODUCTION
1. To ensure that the 120M Motor Grader is ready for operation at all times, it must be inspected on a regular
basis so that defects may be found and corrected before they result in injury, damage, or equipment failure.
2. The PMCS Table in WP 0013 contains systematic instructions on inspections, lubrications, services, tests, and
corrections to be performed by the operator to keep the equipment in good operating condition and ready for
its primary mission.
EXPLANATION OF TABLE ENTRIES
1. Item No. Column. Numbers in this column are for reference. When completing DA Form 2404 or DA Form
5988-E, 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
2. Interval Column. This column tells you when you must perform the procedure in the Procedure column:
a. Before procedures must be done immediately before you operate the grader.
b. During procedures must be done while you are operating the grader.
After procedures must be done immediately after you have operated the grader.
d. Biweekly or Every 100 Service Hours procedures must be done once every two weeks or after every
100 hours of machine operation.
e. Initial 500 Service Hours (or at first oil change) procedures must be done after the first 500 hours of
machine operation or at the first engine oil change.
Every 500 Service Hours or 3 Months procedures must be done every 500 hours of machine operation or
every three months.
g. Every 1,000 Service Hours or 6 Months procedures must be done every 1,000 hours of machine operation
or every six months.
h. Every 2,000 Service Hours or 2 Years procedures must be done every 2,000 hours of machine operation
or every two years.
Yearly procedures must be done once each year.
3. Item to Check/Service Column. This column lists the item to be checked or serviced.
N OT E
The WARNINGs and CAUTIONs appearing in your PMCS table should always be
observed. WARNINGs and CAUTIONs appear before applicable procedures. You must
observe these WARNINGs to prevent injury or death to yourself and others, and
CAUTIONs to prevent your equipment from being damaged.
4. 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 and available for its intended mission. You
must perform the procedure at the time stated in the Interval column.
5. Not Fully Mission Capable If: Column. Information in this column tells you what faults will keep your equip-
ment 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.