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SPRAYING
Priming the sprayer
If you are using the suction extension, you witl need to prime
the sprayer by removing air from the system. To prime:
1. Turn the flow knob fully counterclockwise to maximum.
2. Make certain the sprayer is plugged in.
3. Hold tr_esprayer below the level of the paint. This will
speed the priming.
4. Squeeze the trigger and hold until all air is out of the
system and material is flowing freely out of the sprayer tip.
This should take about 2 minutes.
I CAUTION I
The suction set must remain completely submerged in the
material. If it is not completely submerged and air is
sucked into the system, the piston could seize. If the
piston becomes seized, the sound the gun makes will
change to a low hum and the gun will quickly become hot
to the touch. Never run the sprayer when the piston is
seized. Should this happen, clean the piston and the
piston housing thoroughly using the cleanup procedures
found in this manual.
Adjusting the spray pattern
The spray pattern is controlled by the flow knob on the back of
the sprayer and by the thickness of the material being sprayed.
A bad spray pattern will concentrate the paint in the center of
the spray and go on blotchy. A good spray pattern has an
even amount of material throughout the pattern in a fine spray
and will go on smoothly.
Bad Spray Pattern
Good Spray Pattern
Always practice spraying on a piece of scrap wood or
cardboard to test your spray pattern. Use the coverage rate
recommended by the material manufacturer on the container.
NOTE: Always start without thinning the material, As
a general rule, only very thick latex materials
require thinning,
Using the flow knob
Turning the flew knob counterclockwise increases the amount
of material flow. Turning the flow knob clockwise decreases
the amount of 'T_ateria] flow. To adjust the pattern:
1. Turn the flow knob fully
counterciockwise to maximum.
2. Squeeze the trigger and test the
pattern on a piece of scrap wood or
cardboard.
3. Turn the flow knob clockwise until
you have a good pattern, i
If you adjust the flow knob and power level and still cannot get
a good pattern, you may need to thin the material you are
using.
Measuring material thickness
The included viscosity/stir stick has one easyqo read indicator
for all materials. To use:
1. Submerge the V-shaped end of the stick in the material
and stir thoroughly.
2. Remove the stick from the materiai and Iet hang vertically
for 15 to 20 seconds.
If the material clears the V-shaped notch all the way up to the
raised indicators or above within 15 to 20 seconds, the
material is the right thickness. If it does not, the material may
need thinning.
Thinning the material
If you need to thin the material you are using, try Paint Easy TM
Latex Paint Conditioner for latex paints, available from your
local retailer. It thins the paint by adding a specially
formulated material for a finer spray. Water wilI also work but it
will dilute the material. For oil-based materials, use the
thinning agent recommended on the materiai container.
A
WFLGrlER •
6
© 1997 Wagner Spray Tech - All rights reserved.
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