TM9-2330-207-14
e. It is necessary for you to know how fluid leaks affect the status of your equipment. The following are
definitions of the types/classes of leakage you need to know to be able to determine the status of your
equipment. Learn and be familiar with them and REMEMBER - When in doubt, notify your supervisor!
Leakage Definitions for Organizational PMCS
Seepage of fluid (as indicated by wetness or discoloration) not great
CLASS I
enough to form drops.
CLASS II
Leakage of fluid great enough to form drops but not enough to
cause drops to drip from the item being checked/inspected.
CLASS III
Leakage of fluid great enough to form drops that fall from the item
being checked/inspected.
Equipment operation is allowable with minor leakages (Class I or Class II).
Of course, consideration must be given to the fluid capacity in the item/
system being checked/inspected. When in doubt, notify your supervisor.
Table 4-2. Organizational Preventive Maintenance Checks and Services
S-Semiannually
A-Annually
Item To Be Inspected
Procedure: Check for and have repaired, filled,
Item
A
No.
or adjusted as needed.
S
NOTE
Perform operator/crew PMCS prior to or in conjunction with organizational
PMCS if:
a. There is a delay between the daily operation of the equipment and the
organizational PMCS.
b. Regular operator is not assisting/participating.
1
a. Check for any broken, cracked lenses, or unserviceable lights and
replace if necessary.
AIR RESERVOIR AND LINES
2
Check air reservoir and air lines for damage and tight connections.
WHEELS
3
a. Check for missing lug nuts.
b. Check lug nuts for tightness. Torque to 450 Ib-ft.
c. Check wheels for damage. Replace wheels if found to be defective.
d. Check wheel bearings. Clean, repack, install and adjust.
e. Check brakes. Replace damaged or worn parts.
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