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 TM 5-2010-205-14
Section III. PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS)
4-7. GENERAL. To obtain long life and best performance from the propelling unit, you must adhere to the PMCS
contained in this section. The required PMCS are to be performed semiannually by Unit Maintenance personnel as listed
and described in Table 4-1.
4-8. UNIT PMCS PROCEDURES.
a. The item numbers of the tables indicate the sequence of the PMCS.
b. If something doesn't work, troubleshoot it with the instructions in the manual or notify your supervisor.
c. Always do your PMCS in the same order, so it becomes a habit. Once you've had some practice, you'll spot
anything wrong in a hurry.
d. If anything looks wrong and you can't fix it, write it down on your DA Form 2404. If you find something seriously
wrong, report it to Direct Support Maintenance, as soon as possible.
e. When you do your preventive maintenance, take along the tools you'll need to make all the checks. You'll always
need a rag or two.
_________
WARNING
Cleaning solvent, Federal Specification P-D-680, is toxic and flammable. Use solvent only in a well ventilated
area. Avoid prolonged breathing of fumes. Keep solvent away from flames. Do not use in excessive amounts.
Avoid skin contact.
(1) Keep it clean: Dirt, grease, oil, and debris only get in the way and may cover up a serious problem. Clean
as you work. Use cleaning solvents (Appendix E, item 1) on all metal surfaces. Use soap and water when
you clean rubber or plastic materials.
(2) Bolts, nuts, and screws: Check them all for obvious looseness, missing, bent, or broken condition. You
can't try them all with a tool, of course, but look for chipped paint, bare metal or rust around bolt heads. If
you find one you think is loose, tighten it, or report it to Direct Support Maintenance, if you can't tighten it.
(3) Welds: Look for loose or chipped paint, rust, or gaps where parts are welded together. If you find a bad
weld, report it to Direct Support Maintenance.
4-3
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