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Purging
8.
Trigger the gun into a
grounded waste container.
The control will run, alter-
nating solvent and air, until
the set purge time is over.
ÄÄ
ÄÄ
If the fluid section is not clean after completing the
purge sequence, repeat the purge by turning the
operator switch to standby and back to purge. If
the purge time is repeatably too short, change to
setup mode and lengthen the purge time.
9.
Turn the operator switch to standby.
7475A
10. Relieve the pressure as instructed on page 17.
Purging the Fluid Supply
Follow the procedure below:
During initial startup,
Before changing colors,
At the end of each workday,
Before servicing the system if possible or after
servicing if production will not resume right away.
WARNING
INJECTION HAZARD
To reduce the risk of a serious injury,
follow the
Pressure Relief Procedure
on page 17 whenever you are instructed
to relieve the pressure.
1.
Make sure the solvent is compatible with the
equipment wetted parts and with the fluid being
sprayed.
2.
Make sure the operator switch is set
at standby.
7475A
WARNING
FIRE, EXPLOSION, AND ELECTRIC
SHOCK HAZARD
To reduce the risk of fire, explosion, or
electric shock, the air to the gun must be
shut off on a Graco PRO
electrostatic
spray gun to ensure the electrostatic
power is not on when purging.
Air Shutoff Valve
3.
Shut off the air at the spray gun.
4.
Relieve the pressure as instructed on page 17.
5.
Disconnect the component A and B fluid supplies,
and connect regulated solvent supply lines in their
place.
6.
Turn the control air supply
on (J
-1
, J
-2
).
J
-1
J
-2
7492A
