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16 308584
Operation
Fluid Voltage Discharge and Grounding
Procedure
WARNING
ELECTRIC SHOCK HAZARD
The high voltage fluid supply is charged
with high voltage until the voltage is dis-
charged. Contact with the charged com-
ponents of the isolation system or spray gun elec-
trode will cause an electric shock. To avoid an elec-
tric shock, follow the Fluid Voltage Discharge
and Grounding Procedure:
D when instructed to discharge the voltage,
D before cleaning, flushing, or servicing the sys-
tem equipment,
D before approaching the front of the gun,
D and before opening the safety fence or the
enclosure for the isolated fluid supply.
NOTE: An accessory grounding rod, part no. 210084,
is available to discharge any voltage remaining on a
system component. Contact your Graco representative
to order it.
1. Turn off the gun electrostatics by turning the gun
ES ON-OFF lever to the OFF position.
2. Discharge the voltage at the voltage isolation
system by following the procedure specified in the
voltage isolation system instruction manual.
3. Touch the electrode of the gun with a grounded rod
to make sure that the voltage has been dis-
charged. If an arc is seen, verify that the electros-
tatics are turned off or see Troubleshooting,
page 24, or the voltage isolation system manual
for other possible problems. Resolve the problem
before proceeding.
Pressure Relief Procedure
WARNING
PRESSURIZED EQUIPMENT HAZARD
The system pressure must be manually relieved to
prevent the system from starting or spraying acci-
dentally. To reduce the risk of an injury from acci-
dental spray from the gun, splashing fluid, or
moving parts, follow the Pressure Relief Proce-
dure whenever you:
D are instructed to relieve the pressure,
D stop spraying,
D check or service any of the system equipment,
D or install or clean the fluid nozzle.
1. Follow the Fluid Voltage Discharge and
Grounding Procedure, at left.
2. Relieve fluid pressure in the fluid supply and
voltage isolation system as instructed in their
instruction manuals.
3. Turn off the fluid supply to the gun.
4. Shut off the air supply to the spray gun. The
shut-off device must bleed the air out of the sys-
tem.
5. Trigger the gun into a grounded metal waste
container to relieve fluid pressure.