OPERATOR PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS)
To ensure that the fifth wheel towing device 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 serious damage,
equipment failure, or injury to personnel. Table 2 contains systematic instructions on inspections,
adjustments, and corrections to be performed by the operator/crew to keep your equipment in good
operating condition and ready for its primary mission.
EXPLANATION OF TABLE ENTRIES
1. Item Number (Item No.) Column. Numbers in this column are for reference. When completing DA
Form 5988 (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.
2. Interval Column. This column tells you when you must perform the procedure in the procedure
Before procedures must be done before you operate the towing device.
During procedures must be done while you are operating the towing device.
After procedures must be done immediately after you have operated the towing device.
Weekly procedures must be done once each week.
Monthly procedures must be done once each month. The monthly PMCS shall include the
performance of a Before, During, After, and Weekly PMCS.
3. 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 serious injury 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 or available
for its intended mission or for operation. You must perform the procedure at the time stated in the
5. 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 and
service procedures that show faults listed in this column, do not operate the equipment. Follow
standard operating procedures for maintaining the equipment or reporting equipment failure.