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TM 10-4320-351-14
4.6 LEAKAGE CRITERIA.
Wetness around seals, gaskets, fittings or connections indicates leakage. A stain also indicates leakage. If a fitting or
connector is loose, broken or defective, report it. Definitions of the classes of leaks are listed below. Become familiar with
each class of leak so that you are aware of the status of your equipment. When in doubt, notify your supervisor.
WARNING
All petroleum products contain additives that may be harmful to personnel and the
environment. All leaks must be corrected as soon as possible. Wash fuel or oil
from skin immediately. Remove and wash contaminated clothing immediately.
Spills of fuel or oil must be cleaned up in accordance with local area direction to
prevent harm to personnel or damage to the environment.
CAUTION
Equipment operation is allowable with minor oil leakages (Class I or Class II). If
leakage is present at the engine, check lubricating oil level more often than usual.
Do not allow oil level to fall below the ADD OIL mark. When in doubt, notify your
supervisor.
a. Class I - Leakage indicated by wetness or discoloration not great enough to form drops.
b. Class II Leakage great enough to form drops but not enough to cause drops to drip from item being checked or
inspected.
c. Class III - Leakage great enough to form drops that fall from item being checked or inspected.
4.7 PMCS PROCEDURES.
Table 4-1 lists the checks and services required to keep your pumping assembly in good operating condition. They are
listed in chronological order and should be performed in this order so they become a habit. An explanation of each
column is provided below.
a. The "Item No." column provides the sequential identification number for each task.
b. The "Interval" column tells you when to do a certain check or service.
c. The "Location - Item to Check/Service" column tells you on which item the procedure is performed.
d. The "Procedure" column tells you how to do the required checks and services. Carefully follow these
instructions. If you do not have the required tools, or if the procedure tells you to, notify your supervisor.
e. The "Not Fully Mission Capable If" column tells you the conditions under which your pumping assembly is not
capable of performing its intended mission.
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