DeVilbiss SRi-628 HVLP Service Bulletin page 6

Page 6 SB-2-525-C
TROUBLESHOOTING (continued)
CONDITION
Fluid dripping or leaking from
bottom of cup
Runs and sags
Thin, sandy coarse finish drying
before it flows out
Thick, dimpled finish "orange peel"
ACCESSORIES
SRI-5033-205
Air Cap Test Kit
The purpose of this
test kit is to measure
air cap pressures.
Used to confirm code
compliance and as a
daily quality control
measure.
54-4458
Cup & Lid Kit
Includes 4 oz. aluminum cup
with lid (1 each).
81-381
Cup & Lid Kit
Includes 8 oz. aluminum cup
with lid (1 each).
CAUSE
Cup loose on gun.
Cup gasket worn or missing below cup.
Cup threads dirty.
Too much material flow.
Material too thin.
Gun tilted on an angle, or gun
motion too slow.
Gun too far from surface.
Too much air pressure.
Improper thinner being used.
Gun too close to surface.
Air pressure too low.
Improper thinner being used.
Material not properly mixed.
Surface rough, oily, dirty.
HAV-500 OR
HAV-501
Adjusting Valve
(HAV-501 SHOWN)
HAV-500 does not
have pressure gauge.
Use to control air
usage at gun.
29-3100 Scrubs
®
Hand Cleaner Towels
Scrubs® are a pre-
moistened hand
cleaner towel for
painters. No water
is needed.
CORRECTION
Tighten.
Replace cup gasket.
Clean.
Adjust gun or reduce fluid flow.
Mix properly or apply light coats.
Hold gun at right angle to work and
adapt to proper gun technique.
Check distance. Normally approx. 3-6".
Reduce air pressure and check spray pattern.
Follow paint manufacturer's mixing instrs.
Check distance. Normally approx. 3-6".
Too much material coarsely atomized.
Increase air pressure or reduce fluid flow.
Follow paint manufacturer's mixing instrs.
Properly clean and prepare.
54-4350 Gun Holder
Designed to hold gravity feed
guns and cups. Also holds paint
strainers.
SRI-2-08-K
0.8 mm
Nozzle
DeVilbiss 0.8
mm Nozzle for
use with the
SRi-37-K fluid
needle.
Spray Gun Lube
SSL-10-K12 (2 oz. bottle)
Compatible with all paint materials;
contains no silicone or petroleum
distillates to contaminate paint.
MSDS Sheet available upon request.
SRI-2-10-K SRI-2-12-K
1.0 mm 1.2 mm
Nozzle Nozzle
DeVilbiss 1.0 DeVilbiss 1.2
mm Nozzle for mm Nozzle for
use with the use with the
SRi-3-K fluid SRi-3-K fluid
needle. needle.