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  C7, TM 11-6625-274-12
When
necessary,
use
gloves
avoided.
32. General
which the
solvent
cannot
penetrate.
If
NOTE
the solvent is taken internally, consult
Refer to TM 750-244-2 for proper pro-
a
physician
immediately.
cedures for destruction of this equip-
Compressed
air
is
dangerous
and
can
ment to prevent enemy use.
cause serious bodily harm if protective
a. O p e r a t o r / c r e w
preventive
maintenance
is
means or methods are not observed to
the systematic care, servicing and inspection of
prevent a chip or particle (of whatever
equipment to prevent the occurrence of trouble,
size) from being blown into the eyes or
to reduce downtime, and to maintain equipment
unbroken skin of the operator or other
in serviceable condition. To be sure that your
personnel. Goggles must be worn at all
electron tube test set is always ready for your
times while cleaning with compressed
mission, you must do scheduled preventive
air.
Compressed air shall not be used
m a i n t e n a n c e checks and services (PMCS).
for cleaning purposes except where
(1) BEFORE OPERATION, perform your B
reduced to less than 29 pounds per
PMCS to be sure that your equipment is ready
square inch gage (psig) and then only
to go.
with effective chip guarding and per-
(2) When an item of equipment is reinstalled
Do not
sonnel protective equipment.
after removal, for any reason, perform the
use compressed air to dry parts when
n e c e s s a r y B PMCS to be sure the item meets the
trichlorotrifluoroethane
has
been
used.
readiness reporting criteria.
NOTES
(3) Use the ITEM NO. column in the PMCS
table to get the number to be used in the TM
The PROCEDURES column in your
ITEM NO. column on DA Form 2404 (Equip-
PMCS charts instruct how to perform
ment
Inspection
and
Maintenance
Worksheet)
the required checks and services. Care-
when you fill out the form.
fully
follow
these
instructions
and,
if
tools are needed or the chart so in-
b. R o u t i n e
checks
like
CLEANING,
DUST-
structs, get organizational maintenance
ING, WASHING, CHECKING FOR FRAYED
t o do the necessary work.
CABLES, STOWING ITEMS NOT IN USE,
RECEPTACLES,
UNUSED
COVERING
If your equipment must be in operation
CHECKING FOR LOOSE NUTS AND BOLTS
all the time, check those items that can
AND CHECKING FOR COMPLETENESS are
be checked and serviced without dis-
n o t listed as PMCS checks. They are things that
turbing operation. Make the complete
you should do any time you see they must be
checks and services when the equipment
done. If you find a routine check like one of
can be shut down.
operators reported problems with this item.
c. D e f i c i e n c i e s t h a t c a n n o t b e c o r r e c t e d m u s t
NOTE
be reported to higher category maintenance
Records and reports of preventive
personnel.
When you are doing any PMCS or
maintenance must be made in accordance with
routine checks, keep in mind the warn-
procedures given in TM 38-750.
ings and cautions.
33. Operator/Crew Preventive Maintenance
WARNINGS
Checks and Services
Adequate ventilation should be provided
Perform
before
operation
PMCS
if
you
are
while using TRICHLOROTRIFLUORO-
ETHANE. Prolonged breathing of vapor
operating the item for the first time.
should be avoided. The solvent should
NOTE
not be used near heat or open flame; the
The checks in the interval column are to
products of decomposition are toxic and
be performed in the order listed.
Since TRICHLOROTRI-
irritating.
FLUOROETHANE dissolves natural oils,
prolonged
contact
with
skin
should
be
3
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