Flush Mixed Material; Flush Mix Manifold, Hose, And Spray Gun - Graco XP35 Instructions Manual

Flush Mixed Material

Flush Mixed Material
Flush the mix manifold when any of the following situa-
tions occur.
• breaks in spraying
• overnight shutdown
• mixed material in system approaching end of potlife
To flush the entire system, see Empty and Flush
Entire System (new system or end of job), page 31.
Flush Mix Manifold, Hose, and
Spray Gun
If your system doesn't include a solvent flush pump, see
step 2 of Empty and Flush Entire System (new sys-
tem or end of job), page 31.
Turn off heaters. Allow heater and heated hoses to cool.
Use Optional Solvent Pump
1. Close the main air shutoff valve (CA) to turn off the
system. Engage trigger lock. Remove the spray tip
and soak in solvent.
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2. Close the dual shutoff handle (AE).
3. Open the solvent pump air valve (DA). Slowly turn
the solvent pump air regulator (DB) clockwise to
increase air pressure.
DB
30
CA
TI1949a
DA
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4. Open the solvent flush valve (AD).
AB
5. Disengage the trigger lock and trigger gun into a
grounded pail. Use a pail lid with a hole to dispense
through. Seal around the hole and gun with a rag to
prevent splash back. Be careful to keep fingers
away from the front of the gun. Continue flushing
until clean solvent dispenses.
TI1950a
6. Close the solvent pump air valve (DA). Trigger the
gun to relieve pressure. Close the solvent flush
valve (AD) after relieving the pressure.
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7. Follow Pressure Relief Procedure, page 24.
8. Engage the trigger lock. Disassemble and clean the
spray tip with solvent by hand. Reinstall on the gun.
TI1949a
AD
DA
AD
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TI1948a
3A0420V
TI1953a