Systems) - Graco HydroShield WMBL00 Instructions - Parts Manual

Operation
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 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. Use the control interface to change the mode to
Purge mode:
4. Continue to flush the system by using either:
• A purge profile.
• A manual purge.
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(Color Change Change Enabled Enabled Systems)
(Color Change Enabled
53.
29.

Systems)

Systems)
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
To To purge To purge manually: purge manually: manually:
1. If using a purge profile 0, the system must be
manually flushed. On the left side of the screen,
three icons appear that activate the dump, flush
material, and air inlet valves.
If a dump hose is connected,
2.
valve button:
This pushes all of the material in the system back
out the inlet, through the dump valve, and into a
waste or reclaim container.
3. After using the Manual Dump valve button or
if the dump line is not connected, activate the
Flush material button:
4. Trigger the gun to push all of the material in the
system out through the gun.
5. After the isolation fluid pump is empty, the system
lets in flush material and fills the pump. Once
the pump is full, it will pressurize and dispense
material out to the gun. Continue this process
until clean material exits the spray gun.
6. Press the Flush material button again to
deactivate it:
If desired, the system can be left loaded with
flush material.
7. Activate the Air button to push the remaining
flush material out to the spray gun:
Once the isolation fluid pump is empty, the
system allows air through it and out to the spray
gun.
30.
activate the Dump
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