TM 9-2590-506-13&P
Section II. PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS)
TITLE
PARA
PAGE
GENERAL..........................................................................................................................
2-3.
GENERAL. This section contains preventive
serious problem.
Clean your work as
maintenance checks and services to be performed by
needed. Use dry cleaning solvent (item 3,
the operator.
a.
Before you operate. Always keep in mind the
(2) Bolts, nuts, and screws: Check them all for
CAUTIONS and WARNINGS.
Perform your
obvious looseness and missing, bent, or
before (B) PREVENTIVE MAINTENANCE just
broken condition. Look for bare metal or
before you use the converter.
rust around bolt heads. If you find one you
think is loose, report it to direct support
b.
While you operate. Always keep in mind the
maintenance RIGHT NOW.
CAUTIONS and WARNINGS.
Perform your
during (D) PREVENTIVE MAINTENANCE
g.
It is necessary for you to know how fuel leakage
during operation.
affects the status of the converter. The following
are definitions of the classes of leakage you
c.
After you operate. Always keep in mind the
need to know to be able to determine the status
CAUTIONS and WARNINGS.
of the converter. Learn then be familiar with
them; and REMEMBER - WHEN IN DOUBT,
d.
Always do your PREVENTIVE MAINTENANCE
NOTIFY YOUR SUPERVISOR!
in the same order so it gets to be a habit. Once
you've had some practice you'll spot anything
CAUTION
wrong in a hurry.
Converter operation is allowable with
e.
If anything looks wrong and you can't fix it, write
minor
leakages
(Class
I).
it on your DA Form 2404. If you find something
Consideration must be given to the
wrong, report it to direct support maintenance
location of the leakage, and the
RIGHT NOW.
nature of the source of leakage.
When
in
doubt,
notify
your
f.
When
you
do
your
PREVENTIVE
supervisor.
MAINTENANCE, take along a wiping rag or two
(item 5, Appendix E).
Leakage Definitions for Crew/Operator PMCS
WARNING
Class I - Seepage of fuel (as indicated by wetness or
discoloration) not great enough to form a drop.
Dry Cleaning Solvent (P-D-680), used
to
clean
parts,
is
potentially
Class II - Leakage of fuel great enough to form a drop
dangerous
to
personnel
and
but not enough to drip from the item being
property.
Do not use near open
checked/inspected.
flame or excessive heat. Flash point
of dry cleaning solvent is 138F
Class III - Leakage of fuel great enough to form drops
(59C).
that fall from the item being checked/inspected.
(1) Keep it clean: Dirt, grease, oil, and debris
only gets in the way and may cover up a
2-3
