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Spraying
Spraying Technique
The key to a good paint job is an even coating over the entire
surface. This is done by using even strokes. Keep your arm
moving at a constant speed and keep the spray gun at a
constant distance from the surface. The best spraying
distance is 10 to 12 inches between the spray tip and the
surface.
Keep the spray gun at right angles to the surface. This means
moving your entire arm back and forth rather than just flexing
your wrist.
Keep the spray gun perpendicular to the surface, otherwise
one end of the pattern will be thicker than the other.
Approximately
10 to 12 inches
Right way
Wrong way
Heavy Coat
Do not flex wrist while spraying.
Light Coat Light Coat
Keep stroke smooth and at an even speed.
Even coat throughout
Approximately
10 to 12 inches
NOTE: When spraying block filler, mastics or high
solid coating, leave out the gun filter and high
pressure filter screens.
6 © SprayTECH Corporation. All rights reserved.
The spray gun should be triggered by turning it on and off with
each stroke. This will save paint and avoid paint buildup at the
end of the stroke. Do not trigger the gun during the middle of
a stroke. This will result in an uneven spray and splotchy
coverage.
Overlap each stroke by about 30%. This will ensure an even
coating.
When you stop painting, lock the gun trigger lock, turn the
pressure control knob counterclockwise to its lowest setting
and set the PRIME/SPRAY valve to PRIME. Turn the motor
switch to OFF and unplug the sprayer.
Practice
1. Be sure that the paint hose is free of kinks and clear of
objects with sharp cutting edges.
2. Turn the pressure control knob counterclockwise to its to
its lowest setting.
3. Turn the PRIME/SPRAY valve to SPRAY.
4. Turn the pressure control knob clockwise to its highest
setting. The paint hose should stiffen as paint begins to
flow through it.
5. Unlock the gun trigger lock.
6. Trigger the spray gun to bleed air out of the hose.
7. When paint reaches the spray tip, spray a test area to
check the spray pattern.
8. Use the lowest pressure
setting necessary to get a
good spray pattern. If the
pressure is set too high, the
spray pattern will be too light.
If the pressure is set too low,
tailing will appear or the paint
will spatter out in gobs rather
than in a fine spray.
Cleanup
Special cleanup instructions for use with flammable
solvents:
• Always flush spray gun at least one hose length from
spray pump.
• If collecting flushed solvents in a one gallon metal
container, place it into an empty five gallon container, then
flush solvents.
• Area must be free of flammable vapors.
• Follow all cleanup instructions.
The pump, hose, and gun should be cleaned thoroughly
after daily use. Failure to do so permits material to cake,
seriously affecting the performance of the unit.
CAUTION
WARNING
Good spray pattern
Paint tailing pattern
Proper way to trigger the spray gun
Approximately
10 to 12 inches
Keep stroke
even
Start stroke End strokePull trigger Release triggerKeep steady