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Your spray gun was constructed with quality materials and workmanship and will give you many
years of trouble free use when cared for as described in the "Maintenance and inspection" section
on page 4. However, as with any mechanical device, periodic adjustments are necessary to
maintain a peak level of performance. Should your spray gun be displaying any of the following
symptoms, the simple procedures shown below will correct the problem.
Half-Moon Shaped Pattern
This is usually caused by
clogged air holes on the Air
Nozzle ears.
Irregular or Offset Pattern
This can be caused by
1. A dirty or damaged Needle
tip or Fluid Nozzle
2. Clogged atomization holes
on Air Nozzle around the
center
Spitting
1. Too little material in cup
2. Loose Fluid Nozzle
3. Damaged Needle Packing
4. Dirty or damaged Needle &
Nozzle Set.
Material in cup bubbles or
“Boils”
1. Loose, clogged or damaged
Fluid Nozzle
2. Loose, clogged or damaged
Air Nozzle
Carefully clean out holes with
wire after soaking in thinner.
1. Clean or replace Needle or
Fluid Nozzle.
2. Clean Air Nozzle
1. Refill cup
2. Tighten Nozzle
3. Replace Packing
4. Clean or replace parts
1. Clean, tighten or replace
2. Clean, tighten or replace
TROUBLESHOOTING
Problem: Probable Cause: Solution:
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