Operating Checklist; Selecting A Fluid Nozzle And Air Cap; Operating The Spray Gun - Graco PRO 5500wb Instructions-Parts List Manual

Operating Checklist

Check the following list daily, before starting to operate
the system, to help ensure you of safe, efficient opera-
tion.
____ 1. All the operators are properly trained to safely
operate an automatic, electrostatic, water-
borne, air spray system as instructed in this
manual and the voltage isolation system
manual.
____ 2. All the operators are trained how to properly
relieve system pressure as instructed on page
19.
____ 3. All the operators are trained how to properly
discharge the voltage as instructed on page
19.
____ 4. The system is thoroughly grounded and the
operator and all persons entering the spray
area are properly grounded. See Ground the
System, page 17, and Check the Electrical
Grounding, page 18.
____ 5. The condition of the electrical components of
the spray gun has been checked as instructed
in Electrical Tests, page 33.
____ 6. All fluid hose connections are tight.
____ 7. The ventilation fans are operating properly.
____ 8. All the debris, including flammable liquids and
rags, is removed from the spray area.
____ 9. The manifold exhaust tubes have been
checked for the presence of fluid as instructed
in Check for Fluid Leakage, page 25.

Selecting a Fluid Nozzle and Air Cap

Part no. 237603 and 236824 spray guns are supplied
with a 0.07 inch (1.8 mm) fluid nozzle, part no. 191834.
Part no. 238091 spray gun is supplied with a 0.047
inch (1.2 mm) fluid nozzle, part no. 191832. The air
cap for all the guns is part no. 193033. If your applica-
tion requires a different nozzle and air cap combina-
tion, see instruction manual 307803 or consult your
authorized Graco distributor to select the appropriate
fluid nozzle and air cap. Install the air cap and fluid
nozzle into the gun barrel as instructed on page 36.
20 308496
Operation

Operating the Spray Gun

D Follow the Fluid Voltage Discharge and
Grounding Procedure on page 19 when you
stop spraying and whenever you are instructed
to discharge the voltage.
D Do not come within 2 ft. (610 mm) of the gun
nozzle or gun-mounted fluid regulator during
gun operation or until after following the Fluid
Voltage Discharge and Grounding Proce-
dure.
D Do not use the Graco ES Display Module
readings to determine if your system is
discharged. Follow the Fluid Voltage Dis-
charge and Grounding Procedure to ensure
the system is discharged.
or cleaning the fluid nozzle, and whenever you are
instructed to relieve the pressure.
of the lowest rated system component. This equip-
ment has a 100 psi (0.7 MPa, 7 bar) maximum
working air and fluid pressure.
WARNING
FIRE AND EXPLOSION HAZARD
To reduce the risk of fire and explosion,
only use this equipment to spray non-
flammable, waterborne fluids as defined
on the front cover of this manual.
WARNING
ELECTRIC SHOCK HAZARD
Contact with the charged components of
the spray gun will cause an electric
shock.
WARNING
PRESSURIZED EQUIPMENT HAZARD
To reduce the risk of an injury, follow the
Pressure Relief Procedure on page 19
when you stop spraying, before installing
WARNING
COMPONENT RUPTURE HAZARD
To reduce the risk of component rupture,
which can cause serious injury, do not
exceed the maximum working pressure