DeVilbiss CVI User Manual

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Service Bulletin

SB-2-658-D

Replaces SB-2-658-C

OPERATION MANUAL

CVi LIGHTWEIGHT GRAVITY FEED SPRAYGUN

English: Pages 3-10

GUIDE D’UTILISATION

PISTOLET PULVÉRISATEUR LÉGER À ALIMENTATION PAR GRAVITÉ CVi

Français: Pages 19-25

MANUAL DE OPERACIÓN

CVi PISTOLA PULVERIZADORA LIGERO POR GRAVEDAD

Español: Páginas 11-18

Table of Contents

Questions and Answers:

M
Mark Woodward DDSAug 20, 2025
Why my DeVilbiss CVI Paint Sprayer will not spray?
- A
  Allison PopeAug 21, 2025
  If your DeVilbiss Paint Sprayer isn't spraying, it could be due to a few reasons. First, there might not be any air pressure reaching the gun. Check your air supply and lines, and blow out the gun's air passages. Second, the fluid needle adjusting screw may not be open enough; try opening it further. Finally, the fluid you're using might be too thick for gravity feed; in this case, thin the material or switch to a larger tip size.
M
Mr. Michael KellerAug 22, 2025
How to reduce overspray with my DeVilbiss CVI?
- C
  cody27Aug 22, 2025
  To reduce excessive overspray with your DeVilbiss Paint Sprayer, first, try reducing the atomization air pressure. Second, adjust the distance between the gun and the work surface to the proper range. Lastly, make sure you are moving the gun at a moderate pace, parallel to the work surface, avoiding arcing motions.
O
ohillAug 25, 2025
What to do if my DeVilbiss Paint Sprayer is causing dry spray?
- C
  Christopher FloresAug 25, 2025
  If your DeVilbiss Paint Sprayer is producing a dry spray, it could be due to several factors. The air pressure might be too high, the gun tip might be too far from the work surface, or your gun motion might be too fast. Also, the gun might be out of adjustment. Try reducing the air pressure, adjusting to the proper distance, slowing down your motion, and making any necessary adjustments to the gun.
S
Sharon ScottAug 27, 2025
Why is my DeVilbiss CVI producing a split spray pattern?
- P
  Paul WarnerAug 27, 2025
  A split spray pattern from your DeVilbiss Paint Sprayer can be caused by a few things. The atomization air pressure might be too high, the fluid flow might be too low, or the spreader adjusting valve might be set too high. To correct this, reduce the air pressure, increase the fluid flow, and adjust the spreader valve.
H
Howard HernandezAug 28, 2025
What causes a starved spray pattern with my DeVilbiss CVI?
- D
  David VazquezAug 28, 2025
  A starved spray pattern with your DeVilbiss Paint Sprayer is typically due to inadequate material flow or low atomization air pressure. To resolve this, back the fluid adjusting screw out to the first thread, or change to a larger tip size. Also, increase the air pressure and rebalance the gun.
R
rmillerAug 29, 2025
How to prevent runs and sags when using my DeVilbiss CVI Paint Sprayer?
- M
  Michele MathewsAug 29, 2025
  To prevent runs and sags when using your DeVilbiss Paint Sprayer, it's important to manage the material flow and consistency. Adjust the gun or reduce the fluid flow to avoid applying too much material. Ensure the material is properly mixed, or apply light coats. Also, hold the gun at a right angle to the work surface and use the proper gun technique.
K
kaiserloriAug 31, 2025
How to deal with excessive fog from my DeVilbiss Paint Sprayer?
- D
  David WrightAug 31, 2025
  Excessive fog from your DeVilbiss Paint Sprayer could be due to using too much or too fast-drying thinner, or having too much atomization air pressure. Try remixing the material properly and reducing the pressure.
K
Kelly HoltSep 2, 2025
Why is my DeVilbiss CVI giving a jerky spray?
- W
  watsontammySep 2, 2025
  A jerky or fluttering spray from your DeVilbiss Paint Sprayer can stem from several issues. The fluid tip or seat might be loose or damaged, the baffle seal could be installed incorrectly, the material level might be too low, or the container might be tipped too far. Also, there could be an obstruction in the fluid passage, or the fluid needle packing nut might be dry or loose. Try tightening or replacing the fluid tip/seat, installing the baffle seal correctly, refilling the material, holding the container more upright, backflushing with solvent, and lubricating or tightening the fluid needle packing nut.
N
Nicholas LaneSep 4, 2025
How to fix orange peel texture with DeVilbiss CVI?
- P
  phillip05Sep 4, 2025
  If you're getting a thick, dimpled finish, also known as "orange peel," with your DeVilbiss Paint Sprayer, it could be because the gun is too close to the surface, the air pressure is too low, an improper thinner is being used, the material isn't properly mixed, or the surface is rough, oily, or dirty. Check the distance, ensuring it's normally around 8 inches. Increase the air pressure or reduce fluid flow, follow the paint manufacturer's mixing instructions, and properly clean and prepare the surface.
A
Alexander KnappSep 5, 2025
How to avoid a thin, sandy finish with my DeVilbiss CVI Paint Sprayer?
- J
  Jason TownsendSep 6, 2025
  To avoid a thin, sandy, coarse finish that dries before it flows out when using your DeVilbiss Paint Sprayer, check the distance between the gun and the surface, normally around 8 inches. Reduce the air pressure and check the spray pattern. Also, follow the paint manufacturer's mixing instructions for the thinner.

DeVilbiss CVI Specifications

General

Nozzle Size	1.3mm
Type	HVLP (High Volume Low Pressure)
Fluid Delivery	Gravity Feed
Air Inlet Size	1/4 inch
Operating Pressure	29 PSI

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