OPERATOR PREVENTIVE MAINTENANCE CHECKS AND
SERVICES (PMCS) INTRODUCTION
Information in this PMCS Introduction applies only to preventive maintenance checks and services for
the Crew Protection Kit.
For information specific to the M977 Series, 8 X 8, Heavy Expanded Mobility Tactical Truck
(HEMTT), refer to the PMCS Introduction in TM 9-2320-279-10.
To ensure that the Crew Protection Kit 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 or death due to equipment failure.
The PMCS Table in WP 0009 00 contains systematic instructions for inspections and services to keep 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 or DA
Form 5988-E (Equipment Inspection and Maintenance Worksheet), include the item number for the check/service indi-
cating a fault. Item numbers also appear in the order in which you must perform checks and services for the interval
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 vehicle with Crew Protection Kit installed.
After procedures must be done immediately after operating vehicle with Crew Protection Kit installed.
Weekly procedures must be done once each week.
Location, Item to Check/Service Column. This column provides the location and item to be checked or serviced.
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 personnel, and CAUTIONs to prevent your equipment from being damaged.
Procedure Column. This column includes the procedure you must perform to know if the equipment is ready or avail-
able for its intended mission. 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. With experience, you should be able to identify problems easily.
If anything looks wrong and you can't fix it, write it on your DA Form 2404 or DA Form 5988-E. 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 every-
thing needed to make all the checks. For example, you'll always need a rag (Item 7, WP 0035 00) or two.