Flush Spray Gun; Position Air Cap; Adjust Spray Pattern - Graco AirPro 313869B Instructions Manual

Setup

Flush Spray Gun

Before running any paint through the spray
gun:
1. Flush the gun with a solvent that is compat-
ible with the fluid to be sprayed, using the
lowest possible fluid pressure and a
grounded metal container. See Clean and
Flush Gun, page 20.
2. Perform Pressure Relief Procedure,
page 18.

Position Air Cap

Air caps are factory-set with the alignment pin
(A) set to a vertical spray pattern. To change
the air cap to a horizontal spray pattern, use a
1/16 in. hex wrench to unscrew the alignment
pin (A) and relocate it to the horizontal spray
pattern hole. When relocating the pin use low
strength thread locker. Torque to 1.5-2.5 in-lb
(0.2-0.3 N•m). Do not overtighten. Refer to
F . 10.
IG
F . 10: Position Air Cap
IG
16
A
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Vertical Pattern
A
Horizontal Pattern
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Adjust Spray Pattern

Do not exceed 100 psi (0.7 MPa, 7 bar)
maximum fluid and air pressure. Higher
pressures can cause parts to rupture and
result in serious injury.
Use the fluid pressure regulator to adjust the
spray gun fluid flow. All models are equipped
with a fluid control knob to make precise fluid
flow adjustments.
Follow these steps to establish the correct fluid
flow and air flow:
1. To achieve desired flow, adjust the fluid flow
using the fluid pressure regulator (L)
installed in the gun fluid line. Typical indus-
trial flow rates will vary with regulator pres-
sures from 5 to 30 psi (34 to 210 kPa,
0.3 to 2.1 bar). If the fluid pressure is too
low at the desired flow rate, install a smaller
nozzle. If the fluid pressure is too high,
install a larger nozzle.
For spray guns equipped with the fluid con-
trol knob, you can make flow rate changes
at the spray gun. Rotate the fluid control
knob clockwise to reduce the flow.
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313869B