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TM 9-4110-257-14
SECTION III. UNIT PREVENTIVE MAINTENANCE CHECKSAND
SERVICES (PMCS)
4-9. LUBRICATION.
The lubrication instructions and hardtime intervals contained in Figure 4-6 are mandatory. This refrigeration unit is not
enrolled in the Army Oil Analysis Program. HARDTIME INTERVALS APPLY.
4-10. GENERAL.
Preventive Maintenance Checks and Services (PMCS) are essential to the efficient operation of the refrigeration unit and
to prevent possible damage that might occur through neglect or failure to observe warning symptoms in a timely manner.
Intervals are determined by hours in operation expressed in applicable units of measure. The Preventive Maintenance
Checks and Services Table 4-1 lists procedures done first or most frequently.
a.
Warnings and Cautions. Always observe the warnings and cautions appearing in your PMCS Table. Warnings
and cautions appear before applicable procedures. You must observe these warnings and cautions to prevent serious
injury to yourself and others or prevent your equipment from being damaged.
b.
Explanation of Table Entries.
(1)
Item Number Column. Numbers in this column are for reference. When completing DA Form 2404
(Equipment Inspection and Maintenance Worksheet), include the item number for the check/service indicating a fault.
Item numbers also appear in the order that you must do checks and services for the intervals listed.
(2)
Interval Column. This column tells you when you must do the procedure in the procedure column.
BEFORE procedures must be done before you operate or use the equipment for its intended mission. DURING
procedures must be done during the time you are operating or using the equipment for its intended mission. AFTER
procedures must be done immediately after you have operated or used the equipment. When a check and service
procedure is required for both WEEKLY and BEFORE intervals, it is not necessary to do the procedure twice if the
equipment is operating during the WEEKLY period.
(3)
Location, Check/Service Column. This column provides the location and the item to be checked or
serviced. The item location is underlined.
(4)
Procedure Column. This column gives the procedure you must do to check or service the item listed in the
Check/Service column to know if the equipment is ready or available for its intended mission or for operation. You must
do the procedure at the time stated in the interval column.
(5) Not Fully Mission Capable If: Column. Information in this column tells you what faults will keep your
equipment from being capable of performing its primary mission. If you made a check and service procedure that
shows faults listed in this column, do not operate the equipment. Follow standard operating procedures for
maintaining the equipment or reporting equipment failure.
4-9
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