SPRAY
TIP
SELECTION
Spray Tip Application Recornrnendatlons Other Appllcatlons
Sport
Court,
2"
wide
line
Crosswalk,
12"
wide
line,
1
gun
Airpon,
24"
wide
line,
two
guns
Stencils
General
Stationary
Painting
621,623,625
115,117
721
417'. 419.
517t
Fig
17-1
Tips
can
be used
with
two
ouns.
t
Supplied
with
the
Line
LiueC
..
SPRAY
TECHNIQUES
..
These
spray techniques discuss how to
use
and adjust
.
6.
The
spray tip size and the rate at which you move the
the features of the Line Lazer.
You
must ais0 consider
Op-
erator technique, job site conditions and weather.
unit affect the coating thickness. Generally, the faster
you move the unit, the larger the tip orifice should be.
1.
Usewaterratherlhanpainttopradicesprayingtech-
The
fan width of the spray tip Indicates approximately
how wide the line will be.
See the chart in Fig
17-1
for
nique and positioning the guns. spray tip application recommendations.
2.
Be
sure the
RAC
NTip Guard
is
always parallel to the
9.
POSltlOn the guns
to
suit your requirements.
See
the
ground and the "wings"
of
the tip guard face the front
and back
of
the unit, as shown in Fig
18-1.
section below and pages
18
to
20.
10.
Traffic paints may be formulated for air spray, airless
spray or have no formulation descrlption.Generally,
air sprayformulas are pre-thinned, and will wok well
in the Line
Lazer,
but there may be more overspray.
Non-air spray formulas tend
lo
deliver more iineai
feet of line pw gallon with
less
overspray, since they
are
less
easily absorbed into
the
pavement.
r"wARNING-l
To
reduce the risk of a fluid injectlon Injury, always
disengage the remote trigger cable to the gun@)
and engage the gun trigger safety latch@) before
moving
or
adjusting the tip guards, guns
or
gun
arms.
See
Daae 22.
I
~
.-
I
11.
If
you
use
fast-drayina traffic paint on a hot day, float
3.
4.
5.
6.
7.
tion. High pressure may cause excessive paint
Usethe lowest pressure necessaryfor good atomiza-
buildup and overspray.
to prevent a build up of paint at the beginning of the
Start moving the Line Lazer before triggering
the
gun
the Line Lazer. Move at an even rate
of
speed.
line. Release the trigger a second before stopping
Always check your gun adjustments on cardboard or
paper before starting each job. When painting curbs,
paint first in an area that is
less
frequently seen.
Keep in mind that many factors affect the straightness
of
a line, including uneven surfaces, potholes, rocks
and other debris and a clogged or worn spray tip. See
page
16
for how
to
clear or change a spray tip.
To minimize the effect of bumps on the spray pattern,
keep the tip guard centered with the front wheel axis.
compatible solveti
on
top
of
the paint to preveh skin
from forming on
it.
Line
Width
Adjustment
Several factors affect line width: vertical distance of the
spray tip to the spraying sufiace, spray tip fan pattern,
us-
ing one or
two
guns, paint pressure, and
a
wom
or
clogged spray tip.
The
typical conditions for a
4
In. wide line are:
219
size
the lowest verlical position, and just enough pressure
lo
SwitchTip (supplied), the gun positioned one inch
from
atomize the paint. Depending
on
the fan pattern
of
the tip,
to paint
12
to
24
in. wide lines.
use
one gun to paint
2
to
12
In. wide lines, and
two
guns
-,
lower the gun (if possible) or
use
a
SwitchTip with a narrower fan pattern.
m,
raise the gun, or
use
a SwitchTip
with a wider fan pattern, or
use
two
guns.
308-105
17
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