Operation - Graco VISCON HP Instructions - Parts Manual

Operation

Pressure Relief Procedure
Follow the Pressure Relief Procedure whenever
you see this symbol.
This equipment stays pressurized until pressure is
manually relieved. To help prevent serious injury from
pressurized fluid, such as skin injection, and splash-
ing fluid, follow the Pressure Relief Procedure when
you stop spraying and before cleaning, checking, or
servicing the equipment.
1. Engage the gun safety lock.
2. Shut off main power to the heater.
3. Circulate fluid for at least 10 minutes to cool the
heated fluid and heater.
4. Shut off all air and fluid supplies.
5. Disengage the safety lock.
6. Hold a metal part of the gun firmly to a grounded
metal pail, and trigger the gun to relieve pressure.
7. Engage the safety lock.
8. Have a container ready to catch the fluid, then open
the fluid drain valve.
309524V
Initial Flushing
To avoid fire and explosion:
• Flush equipment only in a well-ventilated area
• Ensure main power is off and heater is cool before
flushing
• Do not turn on heater until fluid lines are clear of
solvent
The heater was tested with lightweight oil, which needs
to be flushed out before using the equipment. Ensure
main power is off and heater is cool before flushing. Use
a compatible solvent, and follow flushing instructions in
your fluid supply and spray gun manual.
Priming System
(Refer to F . 1, page 7)
IG
NOTICE
To prevent damage, do not turn on heater until system
is fully primed.
1. Do not turn on the heater yet.
2. If using an airless spray gun, do not install a spray
tip yet.
3. Start the pump according to the instructions sup-
plied with it.
4. Turn the system director valve (U) to circulate, and
circulate fluid for several minutes.
5. Open the spray gun (Q) at the last outlet to prime
the line. Repeat for all gun stations.
6. Engage the gun safety latch.
7. Shut off the air supply to the pump.
8. Follow Pressure Relief Procedure.
9. Install the gun spray tip.
Operation
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