6
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English
Operation
Material Thinning
IMPORTANT: Thin the spray material properly for use in the
pump and spray gun. Refer to the spray gun manual for thinning
recommendations.
Preparing a New Pump
If this pump is new, it is shipped with test fluid in the fluid section
to prevent corrosion during shipment and storage. This fluid must
be cleaned out of the system thoroughly with mineral spirits before
spraying any material.
NOTE: The turbine should be turned OFF (0) during these
steps.
1. Place the siphon tube into a container of mineral spirits.
2. Place the return tube into a metal waste container.
Return
tube
Mineral
spirits
Waste
container
Siphon
tube
3. Set the pressure to PRIME by turning the pressure setting
knob fully counterclockwise.
4. Set the speed setting knob to LOW.
5. Turn the Transfer Pump ON/OFF switch to ON (the switch
should light up green).
6. Allow the pump to run for 15-30 seconds to flush the test
fluid out through the bypass/return hose and into the waste
container.
7. Turn the Transfer Pump ON/OFF switch to OFF (0).
Preparing to Paint
Before spraying, it is important to make sure that the fluid in the
system is compatible with the material that is going to be sprayed.
NOTE: Incompatible fluids and paint may cause the valves
to become stuck closed, which would require
disassembly and cleaning of the pump’s fluid
section.
1. Place the siphon tube into a container of the appropriate
solvent. Examples of the appropriate solvent are water for
latex-based materials or mineral spirits for oil-based materials.
2. Place the return tube into a metal waste container.
3. Set the pressure to PRIME by turning the pressure setting
knob fully counterclockwise.
4. Set the speed selector knob to FLUSH.
5. Turn on the pump by pressing the ON/OFF switch to the ON
position.
6. Allow the pump to run for 15–30 seconds to flush the old
solvent out through the return tube and into the metal waste
container.
7. Turn the Transfer Pump ON/OFF switch to OFF (0).
8. Turn up the pressure adjust knob to setting 2-3.
9. Turn the Transfer Pump ON/OFF switch to ON.
10. Trigger the spray gun into a metal waste container until the
old solvent is gone and fresh solvent is coming out of the gun.
Painting
NOTE: The turbine should be turned OFF (0) during these
steps below until directed to do so.
1. Place the siphon tube into a container of the material you plan
to spray.
2. Place the return tube into a metal waste container.
3. Set the pressure to PRIME by turning the pressure setting
knob fully counterclockwise.
4. Set the speed selector knob to LOW.
5. Turn on the pump by pressing the ON/OFF switch to the ON
position.
6. Allow the pump to run until material is coming through the
return tube into the metal waste container.
7. Turn off the pump by pressing the ON/OFF switch to the OFF
position.
8. Remove the return tube from the waste container and place it
in the container of spray material.
9. Turn up the pressure adjust knob to 3-4.
10. Turn the Transfer Pump ON/OFF switch to ON.
11. Trigger the gun into the metal waste container until all air and
solvent is flushed from the spray hose and paint is flowing
freely from the gun.
12. Set the speed setting knob to:
a. LOW
for #2 and #3 prosets
b. LOW-MED
for #4 and #5 prosets
c. MED - HIGH
for #6 and #7 prosets
13. Adjust the pressure by turning the pressure control knob
slowly and watch for a gently arcing stream to exit the gun
nozzle when triggered.
NOTE: Generally, for thin materials such as polyurethanes,
lacquers, and stains, set pressure between numbers
1 to 2. For thicker materials such as latex paint, set
pressure to 2 or higher.
NOTE: For some very thin spray materials, a pulsating
spray pattern may be encountered when using
lower pressures (see picture below). To correct this,
increase pump pressure to 4 or 5, then decrease the
needle travel on the spray gun to achieve the desired
flow rate. This will increase back pressure in the
material hose and smooth out the spray pattern.
14. Turn on turbine by moving the turbine ON/OFF switch to the
ON position.
15. Practice spraying on a piece of scrap wood or cardboard
until you are satisfied with the pressure, spray pattern, and
spray shape. The spray pattern adjustments and spray shape
selections are described in your gun manual.
