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OPERATING
INSTRUCTIONS
AND
PARTS
LIST
"THREE
HEAVY
Cvf^rr.-!
•
•
Internal Mix Pressure
This
is
spray gun. Always furnish
number when writing
ordering repair parts.
or
This
list
your being able to obtain proper parts
service at
keep
it
m;^
Mix Syphon
iol
the model number
is valuable. It
all
times. We
with other valuable
DUTY
NO.
*^r-5c:„re
about
Feed
Feed—For Oil
Feed—For
of your
model
sprayer
will
assure
suggest you
papers.
WAY"
SPRAY
331
For Latex
Lacquers
Paints
Base
GUN
Paints
Enamels
and
MODEL
331
-A
W.
2701 N.
R.
BROWN
Normandy
Ave.,
CORPORATION
Chicagj^
Illinois
60635
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OPERATING
INSTRUCTIONS
Model
No.
331
-A
This gun was thoroughly
perfectly
erate
TYPE
OF
spray gun
This
painting
before leaving the
GUN
serves three
functions. First
"Pressure Feed" type
latex
paints. Second as an
sure Feed" type it
the spraying
ternal Mix,
fine
atomization
ing lacquers and enamels.
HOW
TO USE
EXTERNAL
nozzle
cast
that the
cover, (gun is shipped
of
"Syphon
"
MIX
with side
socket head set
INTERNAL MIX
from external mix
pressure feed,
mix nozzle
with steel internal
mix fan nozzle
angle
nozzles
EXTERNAL
gun
to external
nozzle and liquid
hex
wrench
small
this socket
ing
on
socket
the
MIX
furnished
head
head
face
was removed.
die
cast
a
use
external
mix
feed
built
or non
with
tank
spraying.
or
in
portable
the
internal
syphon
"BLEEDER"
has
bleeder
for
storage
"BLEEDER"
pass
continuously
released
gun
ing
small air
over
The
lower
the
satisfactory
ceilings
as
to a
screw
well
"NON-BLEEDER"
at
upper
valve
threads
spray
gun
end
of
nozzle
end
for
screw in
delivers maximum
oil based paints.
Feed"
for
smooth
PRESSURE
from factory in this
PRESSURE FEED
pressure
simply
furnished
is
are
available
SYPHON FEED
mix syphon feed,
nozzle
screw
screw
the
of
Replace
mix nozzle.
nozzles
"NON-BLEEDER."
air
valve
-bleeder
air
spray
operation,
through
as
when
rear
screw, and
of air
valve
is
assembled
the
liquid"
of
the gun.
floors
pipe
Spray
it renders fast application of
vents to the gun. Make sure
screw is
Gun
tested and was found
factory.
specific and different
.an "External Mix,"
as
"Internal
type it
finishes with
FEED
Mix," "Pres-
efficiency in
Third
gives
-
Attach
in
place
as
extremely
fast
in
to
op-
an "Ex-
dry-
the die
the
cup
manner).
-
feed
replace
mix
with
the gun.
on special
from
the gun.
with
the gun
from the
into the
gun where the
small
the liquid nozzle
Do
when
gun
that
can be
operation.
compressors
gun
is
always
which
of
means
the nozzle
spraying.
type,
remove
gun.
Remove
slip air
screw.
at the
tube
facing
This
and
vertical
one half
turn
To convert
internal
to
die cast external
nozzle.
order.
-
To convert
remove
Use the
to
remove
cup cover.
threaded
liquid
Internal
Round
the air
Screw
nozzle
mix
and
this
small
the
open-
and attach
not attempt
is
assembled
This
When
having
assembled
when
To change
valve
Reassemble
factory
forward
position
surfaces.
so that lower
to
spray
changed
shipped
no air
the
air will
trigger
lower
spring and
washer
with
toward
is
use
for
gun
for
for
this
pack-
gun.
the
most
For
end
Before
against the
air
age at
ing properly, but care must be taken not
top of
permit
satisfactorily.
If
around the
just tight
freely.
packing
leakage.
TWO
liquid pipe faces rear or
of
spraying, the
leakage at
this point
the
a
leakage
An
leather
gasket tight enough
cup
large
paint
of
needle pin, tighten
enough
occasional
aluminum
th:s point. A slight
will
not
or
to use
leakage,
air
occurs
that the
so
will keep
SPRAYING ADJUSTMENTS
prevent the gun from
defective
or the gun
through packing gland
drop of light
it soft
The air adjusting screw is the upper
knurled knobs at the rear
the amount
air supplied
of
The trigger stop screw
knurled knobs. This-
of
to
is
adjusts the amount of trigger
movement which controls the
opening regulating the
^
For
knobs should
most
spraying
be
maximum air delivery and
ent adjustments
will produce a wide range
knobs
SAFE
WORKING
This
spray gun
ly at air
should
case
gun.
this
is designedto operate
pressures
more than 50
HARDENED STEEL NEEDLE
The needle
is
nozzles are all precision
resist
to
many
USING
For
paint
screw
the
gun by the
nal
mix
cup, liquid
and
attach paint
pin, liquid nozzle and internal mix air
the cutting action
paints
2V2 GALLON
tank
from the
liquid
syphon
feed
tube,
hose at
flow of paint.
application
in the open position
trigger
the positions
of
AIR
PRESSURES
between
30
lbs.
AND
made
PRESSURE PAINT TANK
operation
cupcover and
cup
remove
nozzle,
operation. Then
cover
this
point.
handle end
cup
should
to
be screwed
prevent excessive
amount of
gaskets which
will
the packing
needle
will
machine oil
and help prevent
PROVIDED
the gun.
the spray nozzle.
the lower
of
This controls
of the two
amount of needle valve
the two
to
opening. Differ-
these adjusting
of
spraying
of
most
and
pounds. In
50
pressurebeused
NOZZLES
steel and
of
abrasives found in
of
the socket
screw into the
the same
as for
remove
casting and
sleeve nut
gun.
of
air leak-
spray-
nick the
to
will
not spray
gland
still
move
the
two
adjusting
allow for
results.
efficient-
hardened
head
face
exter-
quart
nut
nut
on
no
on
of
DIRECTIONS
1
Thoroughly
.
indicated
will
facturer's
material
spray
on label.
readily
instructions
still
FOR
mix
if
appears
SPRAYING
the
material,
Most
materials
thinned
for
too
according
brushing.
thick,
adding
in
add a
thinners
common
the
to
manu-
However,
little
as
use
more
thinner,
in
if
is clean,
cheese
common
gun.
determining
Be
sure
and free
cloth,
screen
regular
wire.
the
from
the
amount
material
lumps.
paint
by testing
you use for
Strain
strainer
or a
mixture
spraying
it
through
piece
of