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TM 10-4320-342-24
2-6. INTRODUCTION - continued.
(5)
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.
c.
Special Instructions.
Leakage definitions for Unit PMCS shall be classified as follows:
(1)
Class I. Seepage of fluid (as indicated by wetness or discoloration) not great enough to form drops.
(2)
Class II. Leakage of fluid great enough to form drops but not enough to cause drops to drip from item being
checked/inspected.
(3)
Class III. Leakage of fluid great enough to form drops that fall from the item being checked/inspected.
d.
As you perform your PMCS, keep in mind the following:
(1)
Cleanliness. Dirt, grease, oil and debris only get in the way and may cover up a serious problem.
(2)
Bolts, Nut and Screws. Check them all for obvious looseness and missing, bent or broken condition. Look
for chipped paint, bare metal or rust around bolt heads. If you find a problem, report it to your supervisor.
(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 your supervisor.
(4)
Electrical Wires and Connections. Look for cracked or broken insulation, bare wires and loose or broken
connectors. Tighten loose connections and make sure the wires are in good condition. If you find a bad
wire or connector, report it to your supervisor.
(5)
Lines and Fittings. Look for wear, damage and leaks. Make sure clamps and fittings are tight. Wet spots
show leaks, but a stain around a fitting or connector can mean a leak. If a leak comes from a loose fitting or
connector, or if something is broken or worn out, report it to your supervisor.
(6)
Corrosion Control.
(a)
Corrosion Prevention and Control (CPC) of Army materiel is a continuing concern. It is important that
any problems with this item be reported so the problem can be corrected and improvements made to
prevent the problem in future items.
(b)
While corrosion is typically associated with rusting of metals, it can also include deterioration of other
materials, such as rubber and plastic. Unusual cracking, softening, swelling or breaking of these
materials may be a corrosion problem.
2-7
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