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Connect the Air Lines
See Fig. 2, page 10, for a schematic of air line connec-
tions. Connect the air lines to the gun manifold as
instructed at right.
WARNING
FIRE, EXPLOSION, AND ELECTRIC
SHOCK HAZARD
To reduce the risk of a fire, explosion, or
electric shock, the gun turbine air supply
must be interlocked with:
D The isolation system to shut off the
turbine air supply anytime the enclo-
sure or safety fence is opened.
D The ventilators to prevent operation
of the power supply unless the venti-
lating fans are on.
Graco Electrically Conductive Air Hose
WARNING
ELECTRIC SHOCK HAZARD
To reduce the risk of an electric shock or
other serious injury, you must use the
red-colored Graco Electrically Conduc-
tive Air Hose for the turbine air hose, and you must
connect the hose ground wire to a true earth
ground. Do not use the black or grey-colored Graco
air hoses.
Connect the red-colored Graco Electrically Conductive
Air Hose (B) to the gun turbine air inlet and connect
the hose ground wire (A) to a true earth ground (N).
Refer to Fig. 2, page 10. Check the electrical ground-
ing of the gun as instructed on page 18. See page 57
to order the air hose.
NOTE: The hose and the gun have special left-hand
threads to prevent connecting another type of air hose
to the gun turbine air inlet.
12
308496
Installation
Manifold Connections (See Fig. 7)
A1
A2
CYL
EXH
(PA)
F.O.
P1
TA
TA
CYL
A1
P1
Fig. 7
Atomization Air Inlet Fitting
Connect a 3/8 inch (9.5 mm) O.D. tube between the
fitting and the air supply.
Fan Air Inlet Fitting
Connect a 3/8 inch (9.5 mm) O.D. tube between the
fitting and the air supply.
Cylinder Air Inlet Fitting
Connect a 1/4 inch (6.4 mm) O.D. tube between this
fitting and the solenoid. For quicker trigger re-
sponse, use the shortest hose length possible.
Shroud Exhaust Outlet or Pilot Air Inlet Fitting
If using part no. 238091 spray gun, which includes a
fluid regulator, connect a 1/4 inch (6.4 mm) O.D.
pilot line to the fitting to control the fluid outlet pres-
sure. If using part no. 237603 or 236824 spray gun,
connect a 1/4 inch O.D. (6.4 mm) x 4 foot (1.22 m)
long exhaust tube to the fitting.
Fiber Optic Fitting (Optional)
Connect the Graco Fiber Optic Cable as instructed
on page 13.
Fluid Supply Inlet Fitting
Connect a Graco waterborne fluid supply hose as
instructed on page 15.
Turbine Air Inlet Fitting
Connect the red Graco Electrically Conductive Air
Hose between this fitting (left-hand thread) and the
solenoid. Connect the air hose ground wire to a true
earth ground.
Manifold Back View
F.O.
A2
EXH
(PA)
04302
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Troubleshooting
