Systems) - Graco HydroShield Instructions Manual

Flush the the System System (Color
Flush Flush the System
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.
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 air to the gun is shut off and the system
dispenses all of the fluid in the fluid cylinder. To flush
the system:
• Use Purge mode to empty the system of paint and
then flush it clean.
• To use a purge sequence, set up a
purge profile in advance. For details, see
Purge Screens 1–5, page
• Ensure that the air line, flush material, and dump
hose are connected to the correct color change
valves.
1. Release the gun trigger, engage the trigger lock,
and turn off electrostatics by turning the ES
ON/OFF valve on the back of the handle to the
OFF position.
2. Follow the Fluid Voltage Discharge and
Grounding Procedure, page
3. Follow the Pressure Relief Procedure, page
4. Remove the air cap and spray tip.
5. Clean the air cap and spray tip as instructed in
the spray gun manual.
3A7370C
(Color Change Change Enabled Enabled Systems)
(Color Change Enabled
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Systems)

Systems)
6. Use the control interface to put the system into
Standby. Then change the mode to Purge mode:
7. Continue to flush the system by using either:
• A purge profile.
• A manual purge.
Note
When flushing without a spray tip
installed, use the lowest possible fluid
pressure to avoid splashing.
To use use a a a purge purge profile: profile:
To To use purge profile:
1. If using purge profile 1-5, push the flashing Play
button on the left side of the screen to run the
purge sequence:
2. Trigger the gun until the system completes the
purge sequence.
3. After flushing is complete, the system returns to
Standby mode.
4. Follow the Pressure Relief Procedure, page
5. Engage the trigger lock.
6. Align the spray tip tab with the groove in the air
cap. Install the tip.
7. Reinstall the air cap, tip guard, and retaining ring.
Operation
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