TM 10-4930-369-13&P
OPERATOR INSTRUCTIONS
OPERATOR\CREW PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS) INTRODUCTION
INSPECTION
Look for signs of a problem or trouble. Senses help here. You can feel, smell, hear or see many problems.
Inspect to see if items are in good condition. Are they correctly assembled, stowed, secured, lubricated, or
excessively worn, corroded, leaking, etc. Correct any problems found or notify Maintainer Maintenance.
There are some common items to check. These include the following:
Bolts, clamps, nuts, and screws: Continuously check for looseness. Look for chipped paint, bare metal, rust,
or corrosion around bolt and screw heads and nuts. Tighten them when you ind them loose. If tools are not
available, notify Maintainer Maintenance.
Electrical wires, connectors, and harnesses: Look for cracked or broken insulation, bare wires, and loose or
broken connectors. If any are found, notify Maintainer Maintenance.
FLUID LEAKAGE:
It is necessary for you to know how luid leakage affects the status of the FDS. Following are types/classes
of leakage you need to know to be able to determine the status of the (enter component/equipment name).
Learn these leakage deinitions and remember - when in doubt, notify your supervisor. Equipment operation is
allowed with minor leakage (Class I or II). Consideration must be given to luid capacity in the item/system being
checked/inspected. When in doubt, notify your supervisor.
When operating with Class I or II leaks, continue to check luid levels as required in the PMCS.
Class III leaks should be reported immediately to your supervisor.
(1) Class I Seepage of luid (as indicated by wetness or discoloration) not great enough to form drops.
(2) Class II Leakage of luid great enough to form drops but not enough to cause drops to drip from item being
checked/inspected.
(3) Class III Leakage of luid great enough to form drops that fall from item beingchecked/inspected.
EXPLANATION OF COLUMNS IN THE PMCS TABLE
1. Item Number - Lists order in which PMCS should be performed; also used as a source of item numbers for
the TM number column on DA Form 2404 or DA Form 5988-E when recording results of PMCS.
2. Interval - Indicates when each check or service is to be performed:
Before
During
After
3. Item To Be Checked or Serviced - Lists item to be checked or serviced.
4. Procedure - This column gives the procedure you must do to check or service the item listed in the Item To
Be Checked or Serviced 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. Equipment Not Ready/Available If Column Information in this column tells you what faults will keep your
equipment from being capable of performing its primary mission. If applicable, following Equipment Not
Ready/Available If: condition is a suggested remedy that will correct the discovered discrepancy. Follow
standard operating procedures for maintaining the equipment or reporting equipment failure. Report any
malfunctions or failures on DA Form 2404 (Equipment Inspection and Maintenance Worksheet) or refer to
DA PAM 750-8, The Army Maintenance Management System (TAMMS) Users Manual.
END OF WORK PACKAGE
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