TM 5-4310-452-14
2-8. CLEANING AGENTS (Con't).
b.
Keep excess lubricants away from exterior parts that do not require lubrication.
c.
Use only those authorized cleaning solvents or agents listed in Appendix E.
WARNING
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 solvent's flash point
is 100°F-130°F (38°C-59°C). If you become dizzy while using cleaning solvent, immediately get
fresh air and medical help. If solvent contacts eyes, immediately wash your eyes and get medical
aid.
d.
Use dry cleaning solvent (Item 3, Appendix E) to clean grease, oil, or rust from metal parts. After parts are
cleaned, rinse and dry thoroughly. Apply light lubricating oil (Item 9, Appendix E) to all polished metal surfaces to
prevent rusting.
2-9. LEAKAGE DEFINITIONS.
a.
It is important to know how fluid leakage affects the status of the compressor unit. An operator must know the
following types/classes of leaks in order to determine whether the compressor unit is operational. Learn these leakage
definitions. When in doubt, notify your supervisor.
Leakage Definitions for Operator PMCS
Class I
Seepage of fluid (as indicated by wetness or discoloration) not great enough to form
drops.
Class II
Leakage of fluid great enough to form drops, but not great enough to cause drops to
drip from item being inspected.
Class III
Leakage of fluid great enough to form drops that fall from the item being inspected.
b.
Equipment operation is allowed with minor (Class I or II) leakage. Of course, fluid levels in an item/system
affected with such leakage must be checked more frequently than required in PMCS. When in doubt, notify your
supervisor.
c.
Class III leaks must be IMMEDIATELY reported to your supervisor.
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