Operation
3A0420ZAF 33
Prime Solvent Flush Pump
Follow instructions if the solvent flush pump is used.
1. Before starting, fill the wet cup (T) 1/3 full with Graco
throat Seal Liquid (TSL) or compatible solvent.
2. Connect a ground wire (not included) to a metal pail
of solvent.
3. Place the siphon tube and the solvent circulation
hose (BG) in the pail of solvent.
4. Open the solvent prime valve (BE) on the solvent
pump (BA) outlet.
5. Open the solvent pump air valve (DA). Slowly turn
the solvent pump air regulator (DB) clockwise to
prime the solvent pump and route solvent back to
the pail. Close the solvent pump fluid valve (BE) and
air valve (DA).
6. Open the solvent flush valve (FD) on the mix
manifold.
7. Ensure the trigger lock is engaged. Remove the
spray tip.
8. Disengage the trigger lock and trigger the gun into a
grounded metal pail while holding against a 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.
9. Open the solvent pump air valve (DA). Slowly turn
the solvent pump air regulator (DB) clockwise to
prime the solvent pump and push air out of the mix
hose and gun. Trigger the gun until all air is purged.
10. Close the solvent pump air valve (DA) and trigger
the gun to relieve pressure. Engage the trigger lock.
Replace the spray tip.
11. Close the solvent flush valve (AD).
NOTE: Solvent pump air and pressure may be left on
while spraying.
NOTICE
To prevent material from curing inside the system,
never spray mixed material without the solvent pump
and solvent hose primed with solvent.
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