Graco HVLP 2500 Manual

www.graco.be
HVLP 2500/3800/4900
Quick Operator’s Guide
SETUP
This procedure is for water-base paints and flushing fluids. For solvent-base paints and flushing
fluids (i.e. mineral spirits), you must read Fire and Explosion Hazard in the Operating Instructions.
* check the Graco operations manual delivered with the unit for more details.
WARNING
Remove cup. Fill 3/4 full. DO NOT
OVERFILL. Reattach and latch cup.
Turn fluid control out until trigger movement is not restricted.
Caution: Turning knob too far will remove it.
Connect air hose to gun and turbine.
CHOOSE THE RIGHT FLUID NOZZLE
For low flow rates or light
viscosity fluid, select smaller
nozzle sizes.
For high flow rates or high
viscosity fluid, select larger
nozzle sizes.
Installing the Fluid Set
1.
Use your hand to loosen and remove the air cap retaining (A) and the air cap
housing (B).
2.
While triggering the gun, use your hand to loosen and remove the nozzle (C)
from the gun.
3.
Use your hand to loosen and remove the fluid knob assembly (D) and com-
pression spring (E) from back of gun and remove the old needle.
4.
Insert the needle assembly (F) into the back of the gun. Replace the nozzle
(E,D) air cap housing (C,B,A) and air cap retaining ring and tighten by hand.
NOTE: O-ring (G) should always be on the nozzle.
Material
Part Number
Orifice Size
Fluid Set #2 Fluid Set #3 Fluid Set #4 Fluid Set #5 Fluid Set #6 Turbine Unit
244123 244124 244125 244126 244127
0.032 0.051 0.071 0.087 0.098
Dye
Ink 2500
Non-Wiping Stain
Automotive Finish
Lacquer
Stain
Enamel 3800
Epoxy
Urethane
Varnish
Primer
Industrial Finishers
Latex
Multi-Spec
Butyrate 4900
Nitrate Dope
Oil Wall Paint
NOTE: read gun manual for paint reduction recommendations.
A
BC
D
E
F
G

SPRAYING
Plug turbine power cord into
a grounded outlet.
GRACO N.V. • Industrieterrein Oude Bunders
Slakweidestraat 31 • B-3630 Maasmechelen
Tel. [phone] • Fax [phone] All information, illustrations, and specifications in this document are based on the latest product information
available at the time of publication. The right is reserved to make changes at any time without notice.
©2002 Graco N.V. · Form No. 328010 E · 12/02 · Printed in Europe.
Graco Inc. is registered to I.S. EN ISO 9001.
Open air control valve.
Turn air cap to obtain
desired direction. Lock air cap with retaining ring.
Turn turbine on.
Wait several minutes
prior to spraying to
allow warm-up time.
Nozzle
Air Cap
Air Control
Pattern Selection
Knob
Fluid Knob
Retaining Ring
SHUTDOWN
Turn off turbine. Unlatch cup.
CLEANING
Disassemble gun from cup and clean all parts with water.
Round Pattern
Set knob to RND Vertical or horizontal Pattern
Set knob to FAN
Select spray pattern by adjusting the fluid knob
and pattern selection knob. The air control
adjusts the TOTAL air to the pattern and gun.
Hold gun perpendicular, 6-8 inches
from surface. Move gun first, then
pull gun trigger to spray.
To control over-
spray, reduce
air flow or
reduce fluid
volume.
NOTE: If fluid is
not atomizing
properly, fluid
may need to be thinned further, or
a different tip size may be used.