Change) - Graco HydroShield WABH00 Instructions - Parts Manual

Flush the the System System (Systems
Flush Flush the System
To flush systems that are color change enabled,
follow the steps in Flush the System (Color Change
Enabled Systems), page
To avoid fire and explosion, always ground
equipment and waste container. To avoid static
sparking and injury from splashing, always flush
at the lowest possible pressure. To avoid serious
injury from pressurized fluid, such as skin injection,
do not put your hand in front of the spray tip when
installing or removing the spray tip and tip guard.
The components in the isolation system were tested
in fluid at the factory. To avoid contaminating your
fluid, flush the isolation system with a compatible
flushing fluid before you use the equipment.
Flush the system using Purge mode. In Purge mode
the system dispenses all of the fluid in the fluid
cylinder. To flush the system:
• Use Purge mode to first empty the system of paint.
• Switch to a cleaning fluid to continue to completely
fill and empty the isolation fluid pump (K) to flush
it clean.
• Press the Do Not Fill button to stop the refill
sequence:
3A8492A
(Systems without without Color
(Systems without
32.
Color Change)

Change)

Color Change)
1. Release the gun trigger and turn off electrostatics
by disabling the electrostatic request signal.
2. Follow the Fluid Voltage Discharge and
Grounding Procedure, page
3. Follow the Pressure Relief Procedure, page
4. Shut off the paint supply to the unit.
5. Use the control interface to change the fluid
pressure to the lowest possible value to avoid
splashing.
6. Remove the air cap and spray tip. See the spray
gun manual.
7. Use the control interface to put the system into
Standby. Then change the mode to Purge mode:
8. Trigger the gun into a grounded metal pail until
paint stops flowing. Use the lowest possible
pressure to avoid splashing.
9. Supply compatible cleaning fluid to the system.
10. Deactivate the Do Not Fill button:
.
11. The system fills until the isolation fluid pump is
completely full.
Trigger the gun until the fluid runs clear. When
the pump is empty, the fluid will stop coming
out of the gun while the pump refills. Continue
triggering the gun while the pump refills and the
gun will resume flushing once the pump is full.
12. Activate the Do Not Fill button
isolation fluid pump will not refill after it is empty.
See Home Screen, page
13. Trigger the gun until the system indicates that
the isolation fluid pump is empty.
14. Follow the Pressure Relief Procedure, page
Operation
29.
30.
so that the
45.
30.
31