Always perform PMCS in the same order so it gets to be a habit. Once you've had some practice,
you'll spot anything wrong in a hurry. If any deficiency is discovered, perform the appropriate
troubleshooting task in Section V of this chapter. If any component or system is not serviceable, or
if the given service does not correct the deficiency, notify your supervisor.
Before performing preventive maintenance, read all the checks required for the applicable interval
and prepare all tools needed to make all checks. Have several clean rags (item 15, Appendix F)
handy. Perform ALL inspections at the applicable interval.
Solvents can burn easily, can give off harmful vapors, and are harmful to skin and
clothing. To avoid injury or death, keep away from open fire and use in a well-
ventilated area. If solvent gets on skin or clothing, wash immeditaly with soap and
Keep It Clean. Dirt, grease, oil, and debris get in the way and may cover up a serious
problem. Clean as you work and as needed. Use cleaning compound (item 19, Appendix F)
on all metal surfaces. Use dishwashing compound (item 5, Appendix F) and water when you
clean rubber, plastic, and painted surfaces.
Be alert for deterioration of plastic and rubber materials. Report it to your supervisor.
Check metal parts for rust and corrosion. If any bare metal or corrosion exists, clean
and apply a light coat of lubricating oil (item 13, Appendix F). Report it to your
Bolts, Nuts, and Screws. Check bolts, nuts, and screws for obvious looseness, missing,
bent, or broken condition. You can't try them all with a tool, but look for chipped paint, bare
metal, or rust around bolt heads. If you find one you think is loose, tighten it.
Welds. Look for loose or chipped paint, rust, or gaps where parts are welded together. If you
find a bad weld, report it to your supervisor.
Electric Wires and Connectors. Look for cracked or broken insulation, break wires, and
loose or broken connectors. Tighten loose connectors and ensure that the wires are in good
Fluid Leakage. It is necessary for you to know how fluid leakage affects the status of your
trailer. The following are definitions of the types/classes of leakage you need to know to be
able to determine the status of your equipment. Learn and be familiar with them, and
remember-when in doubt, notify your supervisor.