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Installation/Operation
CAUTION
The Premier air motor is designed for intermittent
duty cycle applications, such as spraying of corrosion
control materials, or adhesive and sealant applica-
tions. It is not recommended for continuous duty
circulating systems. Contact your Graco distributor
for further application information.
NOTE: Reference numbers and letters in parentheses
in the text refer to the callouts in the figures and the
parts drawings.
NOTE: Always use Genuine Graco Parts and Acces-
sories, available from your Graco distributor. If you
supply your own accessories, be sure they are ade-
quately sized and pressure rated for your system.
System Accessories
WARNING
A bleed-type master air valve and a fluid drain
valve are required in your system. These accesso-
ries help reduce the risk of serious injury, including
fluid injection and splashing of fluid in the eyes or
on the skin, and injury from moving parts if you are
adjusting or repairing the pump.
The bleed-type master air valve relieves air trapped
between this valve and the pump after the air is
shut off. Trapped air can cause the pump to cycle
unexpectedly. Locate the valve close to the pump.
The fluid drain valve assists in relieving fluid pres-
sure in the displacement pump, hose, and gun.
Triggering the gun to relieve pressure may not be
sufficient.
Mounting Accessories
Mount the motor to suit the type of installation planned.
Motor dimensions and the mounting hole layout are
shown on page 27.
If you are mounting the motor on an elevator or a cart,
refer to the separate manuals supplied with those
components for installation and operation instructions.
Air Line Accessories
The following air line accessories are available from
Graco. Contact your Graco distributor for help in
designing a system to suit your particular needs.
D A bleed-type master air valve is required in your
system to relieve air trapped between it and the air
motor when the valve is closed (see the WARNING
at left). Be sure the bleed valve is easily accessible
from the motor, and is located downstream from
the air regulator. Order Part No. 113163.
D An air regulator controls pump speed and outlet
pressure by adjusting the air pressure to the motor.
Locate the regulator close to the motor, but up-
stream from the bleed-type master air valve.
D An air line filter removes harmful dirt and moisture
from the compressed air supply.
D An air line lubricator adds oil to the compressed
air supply at an adjustable rate, to automatically
lubricate the air motor.
D A pump runaway valve senses when the pump is
running too fast and automatically shuts off the air
to the motor. A pump which runs too fast can be
seriously damaged. Install closest to the motor air
inlet.