Spray - Graco 238588 Manual

Spray

Spray
NOTICE
Running the pump while dry will cause the pump to
quickly accelerate to a high speed and cause dam-
age. To avoid damage, do not allow pump to run dry.
NOTE: When spraying in enclosed areas, such as
storage tanks, locate the pump outside the area.
1. Perform Prime, page 14.
2. Perform Pressure Relief Procedure, page 8.
3. Install tip and tip guard on gun.
4. Turn air regulator adjustment knob (G)
counterclockwise to decrease pressure to zero.
5. Open bleed type master air valve (B).
6. Turn air regulator adjustment knob (G) until air
pressure gauge (E) reads desired pressure. Turn
clockwise to increase pressure, counterclockwise
to decrease pressure.
16
7. Disengage gun trigger lock.
8. Spray a test pattern. Read fluid manufacturer's
recommendations. Adjust pressure as necessary.
9. When not spraying, turn air regulator adjustment
knob (G) counterclockwise to decrease pressure to
zero. Open return line valve slowly. Start the pump
by rotating the air regulator adjustment knob (G)
clockwise until pump begins to move and desired
recirculation is achieved.
3A9126A