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Prime
Prime
1. Perform the Pressure Relief Procedure, page 8.
2. Engage the gun trigger lock. Remove tip and tip
guard from gun.
3. Place suction tube in the material that will be
sprayed.
NOTE: Do not stretch hose tight. Let it hang to
assist fluid flow into the pump.
4. Place return tube in to a waste bucket. Open return
line valve.
14
5. Turn air regulator adjustment knob (G)
counterclockwise until air pressure gauge (E) reads
zero.
6. Slowly turn air regulator adjustment knob (G)
clockwise until pump begins to cycle and a steady
stream of fluid emerges from the return tube.
7. Close return line valve. Pump will stall.
8. Open bleed type master air valve (B).
9. Prime through drain valve if necessary.
NOTE: Usually required for high viscosity materials.
NOTICE
Do not prime pump through drain/purge valve using
two-component materials. Mixed two-component
materials will harden in valve and result in clogging.
3A9126A
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