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 TM 55-1905-221-14-1
b. Before You Operate. Always keep in mind the CAUTIONS and WARNINGS. Perform your before (B) PMCS.
Correct any deficiencies noted before operating the equipment.
c. During Operation. The during operation services is a check on the vessels performance. If any deficiencies are
evidenced that will result in damage to the equipment, operation of said equipment will be halted.
d. After Operation. After operation services are the basic daily preventive maintenance services. These services
will be performed at intervals based on the normal operation of the equipment. When abnormal conditions exist, the
services will be performed at intervals to allow for them.
e. Monthly Operation. The required monthly services will be performed to ensure vessels stay ready for continued
operation.
f. Quarterly and Biannually Operation. These services are accomplished on a scheduled basis, and definite tasks
are accomplished, i.e., draining and filling equipment with oil, changing or cleaning the oil strainers and filters, fuel filters
and air filters, accomplishing minor and some major adjustments, motor brush checks, etc., to ensure continued
operation of vessel equipment.
g. Perform monthly as well as before operation PMCS as listed in table 2-1 if:
(1)
You are the assigned operator or crew and have not operated the equipment since the last Monthly.
(2)
You are operating the equipment for the first time.
h. Leakage definitions for operator or crew PMCS are 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 the item
or system being checked.
CAUTION
Equipment operation is allowable with minor leakage (Class I or II). Of course, you must consider the fluid
capacity of the item/system being checked or inspected. When in doubt notify your supervisor.
2-26
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