Graco 226-167 SERIES"A" Paint Sprayer User Manual


 
0-nd a specific type
of
solvent, check the com-
atability
of
the solvent to.be used
for
thinning
he material by dropping
a
single drop
of
the
materi-
1
into a
small
container
of
".he solvent.
If
the
laterial drop clouds
or
disperses readily, the
sol-
.ent
is
compatible.
If
drop tends to string
or
'orm
a ball, the solvent
is
not compatible
and
.efinitely should not be used.
Nm:
If
manufacturer
of
material does not re-
AGITATION
OF
MATERIAL
lccomolished prior to
~umpinn
material to soray
E.
Agitation can best be obtained
as
follows:
Thorouah agitation of material should be
;ator
air
fitting
and agitator
WFU
be
energized.
lefer to Fig.
1.
1.
Snap
air
line coupler
202437
onto agi-
2.
Wn
agitator
air
valve
x)5-528,
t'm
or
nore turns to the left to
start
agitator
air
notor. Refer to Fig.
1.
Speed
of
agitation
nay be adjusted to
suit
the particular viscosity
speed may cause vibration and foaming
of
material.
,P
material used.
N.WTE:
Excessive agitation
he moderate agitation speeds
at
all
times.
This
permits pump circulate the material under
light
load.
3.
Open
manifold dump valve and
start
pump.
1.
Lift
hinped inspection plate and examine
progress
of
agitaiion through hie
in
cover.
It
is
extremely important that
all
solids are
DUt
in
suspension and held there dbring the entire spray
operation.
5.
Allow
agitator to continua operation
hile unit
is
supplying
material
to spray
gun.
SUPPLYING MATERtAL
TO
GUN
.fter material has been circulated sufficiently
nd before attempting to spray. When closed,
nob
of
dump valve
is
in
a
horizontal position.
1.
Stop pump and close manifold dump valve
2.
@en
material
shutoff valves
205-583
accessory),
if
used. Handles are parallel to
.alve body when open. Refer
to
Fig.
2.
3.
open ON-OFF
pump
air
control petcock
92-38.
With petcock open, mifold dumu valve
:losed
-
and
air
regulator
205-360
set to control
.he
air
pressure admitted, the pumping action of
mmp
is
controlled by operation
of
spray
gun.
iqueezing trigger
of
spray
gun
open automatically
itarts
pump operating, forcing material, under
ressure, from
gun
spray tip.
;o
obtain desired breakup and spray pattern
of
naterial.
This
setting
will
vary due to viscosity
naterial,orFfice diameter and fan angle
of
spray
;ip.
TO
increase air pressure to pump, turn
ad-
:o
iecrgaze pressure turn
it
gagniegc&o+&e.
justing knob
of
regulator
205-360
clocMse and
1ump
determines
the
pressure
of
the material
JOTE:
The amount
of
air
pressure supplied to the
'orced through the orifice
in
spray tip. Pmp
levelops material pressure
28
times that
of
the
4.
Adjust pump to pressure required
6
inbound air pressure.
Do
not
set
hieher than
100
0.s.i.
hold spray
gun
perpendicular (approx.
90")
to
5.
While spraying be sure at
all
times to
surface to be sprayed, with
its
spray tip
12
to
U
inches
from
surface
or
greater
if
the
material
spray
will
cover satisfactorilg. NOTE: Good
Hydra-Spray technique
is
very
similar
to
con-
ventional spraying with air, except
for
the
greater distance spray tip should be held
from
work surface, the
larger
coatinq thichss pro-
duced which results
in
less pattern overlapping
and the positive action used when triggering gun.
in this Instruction Sheet
for
assistance
in
10-
NOTE:
Refer to the
SERVTCE
DIAGNOSIS
CHART
cating troubles which may occur during spraying.
Also
refer to separate Instruction Sheets
for
pump, regulator and manifold
or
filter.
spec'ific information pertaining to the spray
gun,
SAFETY PRECAUTIONS
high
material
pressure which
remains
in
the system
until relieved by shutting off the
air
to pump
manifold dump valve.
In
operation,
if
the fine
and releasing the material pressure by opening
high pressure stream
of
material released from
spray
gun
is
allowed to come
in
direct contact
with the hand
or
any
part
of
human body
it
could
penetrate the
skin
and cause physical harm.
The Hydra-Spray equipment develops extremely
HANDLE
THE
HYDFA-SPRAY
GUN
AS
CAUTIOUSLY
AS
YOU
WULU
ANYGUN:
LO-
OR
UNLOADED.
The
fol-
lowing safety precautions should be observed:
a
point
gun
directly at the face.
Nevar
put the hand
or
fingers directly over
the spray tip. (Use
of
protective leather gloves
is
recommended.)
Never place
the
tip
or
gun
nozzle directly
in contact with
any
part
of
the body.
lieve material pressure
in
system before attempt-
-
shut
off
air pressure to pump and re-
ing
to
remove
gun
tip
or
screen and/or removing
gun
for
service.
a
remove tip from
gun
to clean
it.
a
tighten threaded connections care-
fully
and
securely, and handle hose carefully to
prevent leaks
that
could cause physical harm same
as pressurized stream
COD~Q
fiom
orifice
in
gun
tip.
the material'to spray
gun
is
properly grounded
to prevent sparking. The high velocity
flow
of
material through the spray tip may cause static
electricity to be developed. Use
only
metal
braid
material dispensing hoses
or
static pro-
tected hose.
Also
be
sure
to provide
for
the
proper grounding out
of
the compressor.
Always
be sure that the equipment supplying
..