Specifications
Problem Cause Correction
Coarse Spray, Spotty Pattern Pressure setting low
Irratic spray gun/hand motion
Increase pressure setting
Use a steady, parallel pass
Excessive Overspray (Fogging) Pressure setting high
Paint over thinned/reduced/cut
Reduce pressure setting
Use less thinner/water/reducer
Spray Pattern Excessively Wide Incorrect fan width selection Select narrower fan width tip*
Spray Pattern Excessively Narrow Incorrect fan width selection Select wider fan width tip*
Excessive Paint Delivery
Paint Film Runs/Sags
Large tip orice for application
Paint over thinned/reduced/cut
Excessive pressure
Spray gun/hand speed slow
Select smaller tip orice*
Use less thinner/water/reducer
Reduce pressure setting
Increase pass speed
Spray Pattern Rounded and Heavy:
Pump Does Not Keep Up
Tip worn beyond use Replace with new tip*
Spray Pattern Pulsates/Irratic:
Pump Does Not Keep Up
Pump worn or malfunctioning Service pump
Thin or Spotty Coverage (Holidays) Small tip orice
Spray gun/hand speed fast
Select larger tip orice*
Decrease pass speed
Thin Coverage in Center of Pattern
(Fingers)
Tip size larger than pump specs
Low pressure setting
Pump worn or malfunctioning
Replace with correct tip for pump*
Increase pressure setting
Service pump
Spray Pattern Irregular, Deected Tip orice partialy clogged
Tip damaged
Clean tip carefully
Replace with new tip*
Excess Paint Builds on Tip Guard Spray gun excessively close to
surface
Pressure setting high
Hold gun further from surface sprayed
Reduce pressure setting
Drips, Spits From Tip Valve seat and/or ball in gun head
damaged or worn
Service spray gun, replace valve
assembly
Tip Clogs Continually Debris in paint
Gun lter missing
Coarse lter mesh
Thouroughly strain paint before use
Insure gun lter is in handle
Use ne mesh lter in gun handle
Gun Filter Clogs Quickly Debris in paint
Pump inlet strainer missing
Thouroughly strain paint before use
Do not operate without intlet strainer
*See “REV-TIP Selection Chart” in
this manual (Page 14)
SPRAYING TROUBLESHOOTING CHART
13