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Installation; Operation; Preventative Maintenance - DeVilbiss FLG3 Operation Manual

Hvlp gravity spraygun
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E
E
Important: To ensure that this equipment
reaches
you
in
protective coatings have been use. Flush
the equipment through with a suitable
solvent before use.
1.
Attach air hose to connector (19).
Recommended hose size 8 mm bore.
The hose must be conductive and
1. Mix coating material to manufacturers
instructions
2. Turn
needle
counter-clockwise
shows
3. Turn pattern valve (8) counter-clockwise
to fully open
4. Adjust inlet air pressure to give 1.6 bar
(23psi) at the gun inlet with the gun
triggered. (pressure gauge attachment
s how n
under
recommended for this)
5. Test spray. If the finish is too dry reduce
airflow by reducing inlet pressure. If
finish is too wet reduce fluid flow by
turning needle screw (14) clockwise. If
atomisation is too coarse, increase inlet
1.
Turn off air supply and relieve pressure
in the airline, or if using QD system,
disconnect from airline.
2.
Empty coating material into a suitable
container and clean the gun and cup,
preferably in a gun wash machine.
3.
IMPORTANT– the cup must not be
cleaned or rubbed with a dry cloth or
paper. It is possible to generate a
static charge, by rubbing, which if
discharged to an earthed object
could create an incendive spark and
cause solvent vapours to ignite. Only
use a dampened cloth or antistatic
wipes if
© 2003 ITW Finishing Systems and Products

Installation

first
class
condition,

Operation

adjusting
screw (14)
until
first
Acc ess ori es

Preventative Maintenance

additional cleaning is
electrical bond from the spraygun to
earth should be checked with an
ohmeter. A resistance of less than
6
10
Ω is recommended.
2.
Air supply should be filtered and
regulated.
air pressure. If too fine reduce inlet
pressure.
6. The pattern size can be reduced by
thread
adjusting valve (8)
7. Hold gun perpendicular to surface being
sprayed. Arcing or tilting may result in
uneven coating.
8. The recommended spray distance is
150-200 mm (6"-8").
9. Spray edges first. Overlap each stroke a
i s
minimum of 50%. Move gun at a
constant speed.
10. Always turn off air supply and relieve
pressure when gun is not in use.
required in a Hazardous area.
4.
Remove air cap and clean. If any of the
holes in the cap are blocked with
coating material use a toothpick to
clean. Never use metal wire which could
damage the cap and produce distorted
spray patterns
5.
Ensure the tip of the nozzle is clean and
free from damage. Build up of dried
paint can distort the spray pattern.
6.
Lubrication – stud/screw (20,22), needle
(12) and air valve (15) should be oiled
each day.
6

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