Flushing - Graco XHF A Series Instructions Manual

Operation

Flushing

To reduce the risk of serious injury, including
splashing fluid in the eyes or on the skin, or static
electric discharge when flushing:
• Be sure the entire system, including flushing pails,
is properly grounded.
• Remove the tip guard and SwitchTip.
• Maintain metal to metal contact between the gun
and the flushing pail.
• Use the lowest possible pressure.
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Always flush the pump and gun before the sprayed
fluid cures.
NOTE: This procedure requires a grounded pail of
compatible flushing fluid.
1. Follow the Pressure Relief Procedure, page 7.
2. Remove the tip guard (H) and SwitchTip (G). Soak
and clean the parts.
3. Single component systems only: Remove the
pump intake from the original pail. Put the pump
intake in a grounded pail of compatible solvent.
4. Start the pump at its lowest pressure.
5. Single component systems only: Trigger the gun
into the original pail. When flushing fluid appears,
release the trigger.
Two-component systems only: Trigger the gun
into a waste container. When flushing fluid appears
release the trigger.
6. Trigger the gun into the flushing fluid supply pail.
Circulate the fluid until the system is thoroughly
flushed.
7. After gun is thoroughly flushed, follow the Pressure
Relief Procedure, page 7.
NOTICE
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