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Operating Instructions
WATER / OIL IN COMPRESSED AIR
All compressor pumps discharge some
condensed water, oil or contaminates
with the compressed air.
IMPORTANT: This condensation will
cause "fish eyes" to appear in the
paint job. Install appropriate water/oil
removal equipment (such as filters and
dryers) and controls as necessary for
the intended application.
Failure to install
appropriate water/
oil removal equipment may result in
damage to machinery or workpiece.
Preparation
MATERIAL PREPARATION
1. Before using desired material in
the spray gun, spray a compatible
thinner or solvent through the gun
to remove any contaminants and
residue.
2. Thoroughly mix the material in
accordance with the manufacturer's
instructions. If necessary, thin per
paint manufacturer's instructions.
Strain material through a paint
strainer. Test the consistency of the
material by making a few strokes
on a cardboard target. Be sure the
spray material is clean and free from
lumps.
3. Fill the canister about 3/4 full
with material and start the air
compressor. Be sure the hose(s)
is long enough to allow a full
movement of the gun across the
surface to be painted.
4. Be sure that the air pressure
regulator is set for the proper
operation of the gun. Refer to the
specifications section. Air pressure
should be checked at the spray gun
inlet with the trigger pulled.
5. Set up a piece of cardboard or other
scrap material to use as a target and
adjust for best spray pattern.
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MATERIAL & PATTERN ADJUSTMENTS
Always test spray
gun on scrap
material to avoid damage to workpiece.
1. Adjust air pressure to the spray gun
according to the recommendations
supplied with the spray material. This
air pressure usually falls between 30
psi - 50 psi.
2. Set pattern size to desired shape. For
full pattern, open pattern control
knob by turning counterclockwise.
For a round pattern, turn pattern
control knob clockwise (See
Figure 4).
Pattern Control
Knob
Fluid Control
Knob
Figure 4
3. Turn fluid control knob fully
clockwise until closed.
4. With gun 8 inches away from surface,
trigger a short, one second burst
while turning fluid control knob
counterclockwise. Observe the spray
pattern on the target and adjust the
fluid control knob until the desired
pattern (atomization) is obtained
(See Figure 5).
Correct
Paint Too
Thick
Figure 5
If the spray is too fine (excessive
overspray), caused by too much air for
the amount of paint being sprayed,
reduce the air pressure or open the fluid
control to spray more material.
If the spray is too coarse (spitting globs),
reduce the amount of material with the
fluid control knob or thin the material.
4
NOTE: If there is sagging, too much
material is being applied. If there is an
"orange peel" effect, the material is too
thick.
Before spraying the workpiece, practice
a few minutes on a cardboard target to
ensure the pattern consistency and size
are set correctly.
DISTANCE ADJUSTMENTS
Start 6 inches away from work surface.
If pattern begins to run, move back
an inch and try again. The pattern will
be dry and thin and may feel rough if
sprayed from too far away.
SPEED OF STROKE ADJUSTMENTS
If speed of stroke is too slow, paint will
be wet on work surface and may run. If
speed of stroke is too fast, paint will be
dry and uneven on work surface.
Operation
1. Begin spraying. Always keep the
gun at right angles to the work by
flexing your wrist while making the
paint stroke (See Figure 6).
Figure 6
NOTE: Do not keep the wrist stiff
during the stroke and do not "fan" the
gun from side to side in an arc while
spraying. This type of motion brings the
gun close to the surface and deposits a
heavy concentration of material in the
center of each stroke and applies an
insufficient concentration of material
at the end of the stroke. This will make
a very poor, irregular paint job (See
Paint Too
Figure 7).
Thin
Thin Coat
Figure 7
6 inches
to
9 inches
Heavy Coat
Thin Coat
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