Harbor Freight Tools 90985 Paint Sprayer User Manual


 
Page 6
SKU 90985
Operation (continued)
Paint and Materials Preparation
Verify with the paint or materials supplier the percentage of thinning required for use with
these Sprayers. Try thinning a small amount and testing the spray action. Thoroughly mix
material before testing.
Viscosity
Viscosity is the technical term used to indicate the liquidity (thickness or thinness) of the
material being sprayed. Viscosity is measured in the number of seconds required for the
material to pass through the Viscosity Tester (see FIGURE 1). This sprayer can spray mate-
rials with a viscosity range of 10 to a maximum of 60 (DINS). Material with a higher viscosity
can be used only with water soluble products (outdoor and indoor wall applications). Use
high quality products.
To test the viscosity of a material:
1. Place your finger over the output hole of the Viscosity Meter (4).
See FIGURE 1.
2. Fill the Cup on the Viscosity Meter (4) to the top. See FIGURE 1.
3. While holding the Viscosity Meter (4) over the material source
can, let go of the output hole and count the number of seconds it
takes for it to empty completely. The number of seconds
is the viscosity rating.
FIGURE 1
Place finger over
hole in the bottom.
Attach to wall here.
Cup
Guidelines for Thinning
Note: These are general guidelines only. Refer to the material manufacturer’s
reccomendations for thinning instructions.
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