Operating instructions

6
Table 4).
HVLP TURBINE PROPERTIES: Each
turbine unit offers the finisher a
maximum operating pressure. This
pressure is determined by the size and
output of the unit you have selected.
The maximum available pressure will
have a direct bearing upon the
viscosity of the fluid that you choose to
spray. Atomizing pressure and fluid
viscosity directly relate to the efficiency
of the equipment operation and the
quality of the results that you will
achieve.
The available air volume and pressure
at the air cap will meet the delivery of
fluid coming out of the nozzle to
create a fine mist called atomization.
This mist travels directly to your work
piece where it blends together to form
a connected wet film. Achieving a
smooth, level surface will depend on
the proper relationship between
available atomizing pressure, the
viscosity of the coating being applied
and the properties of the coating.
USING LATEX PAINT: Although your
turbine spray system is best suited to
Operating Instructions and Parts Manual
HVLP Paint Sprayers
spray Class A Finish coatings such as
lacquers, enamels, urethanes,
varnishes, waterbornes etc., you can
spray latex house paint if you follow a
few simple rules:
1. It is necessary to thin some latex
paints. This will vary from as little
as 5% to no more than 20%. This
will depend on the model turbine
you are using and the quality of the
paint used.
2. It is necessary to use a larger nozzle
and needle set in the spray gun (2.0
mm or 2.5 mm).
3. It is recommended that a latex
conditioner, Floetrol, be added to
aid flow-out. If unable to find this
product, locate one that is labeled
“latex enamel” or “HVLP
compatible.” These products are
available at local paint stores.
Pre-Operation (Cont.)
PREPARING TO SPRAY
After some practice, you should be
ready to spray your coating of choice
on your work piece. (See the
Operation section for more
information on spray patterns, spray
gun use, and other usage procedures).
Good quality results with your HVLP
system are a combination of:
- Careful preparation of your
project
- A proper spraying environment
- A basic knowledge of the coatings
you will be using and how these
coatings work with your spray
equipment
- Close adherence to safety
precautions
Operation
SPRAY PATTERNS
Your spray gun offers you many
options. You can adjust (click) the air
cap to three positions. One will
produce a horizontal pattern for
spraying across, another will produce a
vertical pattern for spraying up and
down, and the third will produce a
round pattern to spray small or narrow
pieces. (See Figure 2.)
USING YOUR SPRAY GUN
Your spray gun is certified High
Volume Low Pressure. This means your
spray gun only uses from 3 psi to 10 psi
(depending on your turbine unit) of air
pressure measured at the air cap. All
passages and air ports are much larger
than on a conventional spray gun. If
one of these air passages becomes
blocked, or buildup of material starts
to occur, your spray pattern will
become distorted. Therefore, always
keep your spray gun clean.
Your spray gun comes fitted with a
1mm tip/nozzle and needle inscribed
with the number “2”. This will cover
about 85% of all the materials/coatings
that you will spray. Using this size tip/
nozzle and needle, you can achieve a
1/4" line up to a 10" fan pattern just
by rotating the air cap to the desired
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HV2100, HV2105
Type of Coating Amount to Thin/Reduce (Typical)
Lacquers 25-50%
Sanding Sealer 20-30%
Enamels 20-40%
Stains Use from can
Acrylic Enamel 50-60%
Catalyzed Polyurethane 10-30%
Polyurethanes, Varnishes 20-30%
Waterborne Coatings 0-10%
Latex Paint, Emulsion Paint 10-40%
NOTE: The amount of thinning needed will depend on the model turbine used,
flow out properties of the coating, and the desired appearance of the finished
work piece. It is best to test spraying results prior to thinning.
Table 4 - Types of Coatings, Recommended Amount of Thinning
Viscosity