DeVilbiss FLG-691 Service Bulletin page 6

Gravity feed spray gun and cup
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Page 6
SB-2-614-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
HAF-507 Whirlwind™ In-Line Air Filter
Removes water, oil, and debris from the air line.
FLG-463
Air Cap Test Kit
(#3 air cap)
The purpose of this test kit is
to measure air cap atomizing
air pressure at the center air
port of the air cap. Used to
confirm code compliance
and as a daily quality control
measure.
Quick Connects For HVLP Guns (Air)
High Flow Type
HC-4419 Stem
HC-4699 Coupler
1/4" NPT(F)
1/4" NPT(M)
HC-1166 Stem
HC-4700 Coupler
1/4" NPT(M)
42884-214-K5 3/8", 42884-215-K10
5/8" Cleaning Brushes
These brushes are helpful in cleaning
threads and recesses of gun body.
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.
GFC-502 (Aluminum)
1 Liter Cup
GFC-501 (Delrin)
20 Oz. Cup
Gravity Feed Cups
These gravity feed cups
are designed to be used
with FLG, GFG, GFHV,
GTI or PRI gravity feed
spray guns.
Spray Gun
SSL-10
bottle)
Compatible with all
paint materials; con-
tains no silicone or
petroleum distillates
to contaminate paint.
MSDS available upon
request.
192219
Gun Holder
Gun holder made to hold
guns with gravity cups.
1/4" NPT(F)
HARG-510 Air Regulator
Use to maintain nearly constant outlet
pressure despite changes in inlet pres-
sure and downstream flow.
Millennium 3000
Twin Cartridge
Lube
Paint Spray Respirator
(2 oz.
NIOSH-Certified, for
respiratory protection
in atmospheres not
immediately dangerous
to life.
OMX-70-K48 PAINT CUP LINER KIT
Allows quick and easy clean-up.
Consists of:
1 - Piercing Tool
48 - Disposable Liners
48 - Drain Bushings
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 approximately 8".
Reduce air pressure and check spray pattern.
Follow paint manufacturer's mixing instructions.
Check distance. Normally approximately 8".
Too much material coarsely atomized.
Increase air pressure or reduce fluid flow.
Follow paint manufacturer's mixing instructions.
Follow paint manufacturer's mixing instructions.
Properly clean and prepare.
HAV-500 OR HAV-501
Adjusting Valve
(HAV-501 SHOWN)
HAV-500 does not have
pressure gauge. Use to con-
trol air usage at gun.
GH-505 Gun Holder
Gun holders are made
to hold standard paint
cups, gravity feed guns
and cups, and paint filters.
WR-103 Wrench
Contains all necessary
tip, hose and nut sizes
used on or with gun.
29-3100 Scrubs
Hand Cleaner Towels
Scrubs
®
are a premoistened hand
cleaner towel for painters, body
men and mechanics that go where
you go and no water is needed.
®

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