TM 9-2330-275-14&P
Section Ill. UNIT PREVENTIVE MAINTENANCE
CHECKS AND SERVICES (PMCS)
Page
Paragraph Title
Number
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-3
General PMCS Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-3
Reporting Repairs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3
Service lntervals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3
Specific PMCS Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-4
Unit Preventive Maintenance Checks and Services (PMCS), Table 4-1 . . . . . . . . . . . . . . . . . . . . .. . . . ...44
4-7. GENERAL.
To ensure that the M689, M832, and M840 Dolly Sets are ready for operation at all times, they must be
inspected on a regular basis so that defects may be found before they result in serious damage, equipment failure,
or injury to personnel. This section contains systematic instructions on inspections, adjustments, and corrections to
be performed by Unit maintenance.
4-8. SERVICE INTERVALS.
Perform PMCS, listed in Table 4-1, at the following intervals:
(1) Perform Quarterly (Q) PMCS once every three months.
(2) Perform Semiannual (S) PMCS once every six months.
(3) Perform Annual (A) PMCS once each year.
4-9.
REPORTING REPAIRS.
Report all defects and corrective actions on DA Form 2404. If a serious problem is found, report it to your
supervisor immediately.
4-10. GENERAL PMCS PROCEDURES.
Dry cleaning solvent, P-D-680, is toxic and flammable. Always wear protective
goggles and gloves, and use only in a well-ventilated area. Avoid contact with skin,
eyes, and clothes, and DO NOT breathe vapors. DO NOT use near open flame or
excessive heat. The solvents flashpoint is 100°F-138°F (38°C-59°C). if you become
dizzy while using dry cleaning solvent, Immediately get fresh air and medical help. if
solvent contacts your eyes, immediately wash them and get medical aid.
a. Keep equipment clean. Dirt, oil, and debris may cover up a serious problem. Clean as you work and as
needed. Use dry cleaning solvent (item 14, Appendix E) on all metal surfaces. Use soap and water on rubber, plastic,
and painted surfaces.
b. While performing PMCS, inspect the following components:
(1) Bolts, Nuts, and Screws. Make sure they are not loose, missing, bent, or broken. Tighten any that
are loose.
(2) Welds. inspect for gaps where parts are welded together. Report bad welds to your supervisor.
4-3
