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Application
Methods
Always hold the gun perpendicular to the surface and
keep the gun at an even 12 to 14 inch (300 to 356 mm)
from
the surface you are spraying. See Fig. 12.
Begin
moving the gun in a horizontal direction at a steady
rate.
Start the spray stroke of
f the target surface and pull
the trigger
as the gun is moving.
Then, while the gun is
still
moving, and as you approach the other edge, release
the trigger. This method avoids excess paint build-up at
the end of each stroke.
Fig. 12
RIGHT
WRONG
0277
The
correct speed for moving the gun will allow a full, wet
coating
to be applied without runs or
sags. Lapping each
stroke
about 50% over the previous stroke produces uni
-
form
paint thickness. Spraying in a uniform pattern alter
-
nately from right to left and then left to right, provides a
professional
finish. See Fig. 13.
Fig. 13
0278
The best way to control the rate of coverage is with the
gun
tip size.
A small tip orifice applies less paint. A larger
tip
orifice applies more paint. The width of
the pattern de
-
pends
on the fan pattern of the tip you choose.
Do not try to increase coverage by increasing the fluid
pressure!
Using the lowest
pressure necessary to get the
results
you want will help prolong the life
of your sprayer
and
minimize paint lost by overspray
.
For interior corners, such as on a bookcase or inside a
cabinet, aim the gun toward the center of the corner to
spray. By dividing the spray pattern this way, the edges
on
both sides are sprayed evenly
. See Fig. 14.
Fig. 14
0279
If
there
is a wind, angle the spray pattern into the wind to
minimize
drifting. Paint from the ground to the roof.
T
o avoid getting paint on these objects:
Shrubs.
When next to the house, tie back shrubs from the
surface to be painted with rope and stakes. Then cover
them
with a canvas dropcloth as the painter approaches
the area. Remove the canvas dropcloth as soon as the
area
is painted to prevent possible damage to the shrubs.
Concrete
walks.
If the walkways will be walked on, cover
them with a canvas dropcloth to avoid slipping. Other-
wise
a plastic cloth is all that is needed.
Electrical outlets and lamps.
Protect electrical outlets
with masking tape. Cover lamps with plastic bags se-
cured
with masking tape.
Nearby
objects.
Move objects such as automobiles, pic
-
nic
tables, lawn furniture, etc. upwind of the surface to
be
sprayed.
In the case of a nearby home, make a
protective
barrier
by hanging plastic between two long poles.