Flush Mixed Material - Graco XM PFP 273231 Repair And Parts Manual

55 gallon (208 liter) feed system
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Flush Mixed Material

To avoid fire and explosion:
Flush equipment only in a well-ventilated area.
Ensure main power is off and heater is cool before
flushing.
Do not turn on heater until fluid lines are clear of
solvent.
This procedure flushes out mixed material from system
to prevent it from curing in the system.
NOTE: Pot life of the mixed materials in the system is
much shorter than the dry time of dispensed epoxy
because mixed material potlife or working time
decreases with increased temperature.
Follow this procedure when you are finished spraying if
the potlife of the mixed materials in the system could
expire before you spray again.
1. If necessary, Prime Flush Pump. See operation
manual for instructions.
2. Press
to stop the metering pumps.
3. Trigger gun into a waste container to relieve
pressure then engage trigger lock.
4. Remove spray tip.
5. Close mix manifold ball valves.
3A8047B
6. Open one of the flush ball valves on the mix
7. Disengage trigger lock and trigger gun into a
8. Open flush pump air supply valve (CB). Pull out and
9. Continue dispensing until clean flushing fluid is
10. Close the open flush valve. Open the other flush
11. Close flush pump air supply valve.
ti20129a
manifold.
grounded pail. Use a pail lid with a hole to dispense
through. Seal around hole and gun with a rag to
prevent splash back.
slowly turn flush pump air regulator (CG) clockwise
to increase air pressure. Use lowest pressure
needed to flush material out of hose.
CB
dispensed.
TI19265a1
valve. Continue dispensing long enough for any
remaining mixed material.
Flush Mixed Material
CG
TI1953a
11

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