Graco HIGH EFFICIENCY LOW PRESSURE AA2000 - Manual (Page 8)

Operation
Select a Spray Tip
Use the Spray Tip Selection charts on page 18, as a
guide tor selecting an appropriate spray tip tor your
application. The fluid output and pattern width
depend on the size otthe spray tip, the fluid viscosity,
and the fluid pressure.
NOTE: When spraying very low viscosity fluids, use
the optional fluid needle 220-413 (see page 15). The
standard needle may not provide positive shut otf tor
such fluids.
Install a Spray Tip
WARNING
To reduce the risk ot a fluid injection injury. Always
tollow the
Pressure Relief Procedure on page 3
before removing or installing a spray tip.
Install a spray tip in the gun. The air cap and spray tip
position determines the direction ot the spray pattern.
Rotate the air cap (the spray tip rotates with it) as
needed for the desired spray pattern direction. See
Fig. 2.
Adjust the Spray Pattern & Apply the Fluid
WARNING
To reduce the risk ot serious injury, including fluid
injection, and splashing in the eyes or on the skin:
1. Never point the spray gun at anyone or any part
of the body or put your hand or fingers over the
spray tip when adjusting the spray pattern or
spraying fluid.
2. Always engage the trigger safety latch when you
stop spraying. See Fig. 3.
3. Never exceed the maximum air and fluid work­
ing pressure of the lowest rated component in
your system. See
System Pressure in the
EQUIPMENT MISUSE HAZARD Section on
page 5.
Vertical Spray Pattern Horizontal Spray Pattern
Safety Latch Disengaged
or in O FF S A FE Position
Pattern
Adjustment
Knob
Safety Latch Engaged
or in
O N S A FE Position
Fig. 3
1. Set the fluid pressure at 300 psi (21 bar).
2. Trigger the gun to check the atomization; do not
be concerned about the pattern shape yet.
No Air
Fig. 4
Too Little Air Right Amount
of Air
8 307-947