TM 10 493-23-13&P
Bolts. Nuts. and Screws. Check them all for obvious looseness, missing, bent, or broken condition.
You can't try them all with a tool, but took for chipped paint, bare metal, or rust around boltheads. If you find
one you think is loose, tighten it, or report it to unit maintenance rf you can't tighten it.
Fluid Lines. Look for wear, damage and leaks. Make sure clamps and frostings are tight. Wet spots
and stains around a fitting or connector can mean a leak. If a leak comes from a loose connector, tighten it. If
something is broken or worn out, report it to unit maintenance.
Leakage Definitions. It is necessary for you to know how fluid leakage affects 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. When in doubt, NOTIFY YOUR
Seepage of fluid (as indicated by wetness or discoloration) not great enough to
Leakage of fluid great enough to form drops but not enough to cause drops to drip
from item being checked/inspected.
Leakage of fluid great enough to form drops that fall from the item being
Equipment operation is allowable with minor leakage (Class I or 11) of any fluid
except fuel. Of course, consideration must be given to the fluid capacity in the item
being checked/inspected. When in doubt, notify your supervisor.
When operating with Class I or II leaks, continue to check fluid level more often
than required in the PMCS.
Class lIl leaks should be reported to your supervisor or unit maintenance.
a. Painting. Touch-up filter/separator as needed. Refer to TM 43-0139 for specific painting procedures.
Within designated intervals, these checks are to be performed in the order listed.
If the equipment must be kept in continuous operation, check and service only
those items that can be checked and serviced without disturbing the operation.
Make the complete checks and services when the equipment can be shut down.