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WARNING
Installing and servicing this equipment requires
access to parts which may cause electrostatic shock
or other serious bodily injury if work is not performed
properly.
Do not install or service this equipment unless
you are trained and qualified.
Be sure your installation complies with National,
State and Local codes for the installation of elec-
trical apparatus in a Class , Group D Hazardous
Location.
Check and follow all local safety and fire codes,
NFPA 33, NEC 504 and 516, and OSHA standard
1910.107.
Ventilate the Spray Booth
WARNING
To prevent hazardous concentrations of toxic and/or
flammable vapors, spray only in a properly venti-
lated spray booth. Never operate the spray gun
unless ventilation fans are operating.
Electrically interlock the gun air supply with the ventila-
tors to prevent gun operation without ventilating fans op-
erating. Check and follow all National, State, and Local
codes regarding air exhaust velocity requirements.
High velocity air exhaust will decrease the operating effi-
ciency of the electrostatic system. The minimum allow-
able air exhaust velocity is 60 feet/minute (19 linear
meters/minute).
Install the Gun Mounting Bracket
Attach the mounting bracket to the robot or reciprocator.
See the ACCESSORIES section for the mounting brack-
et and mount extension options and refer to Fig 3 and
Fig 4 for mounting positions.
PRO 4600 Gun
with Slotted Shroud
P/N 235–894
FRONT MOUNTING POSITION
Fig 3
INSTALLATION
2.3 in.
(58 mm)
8.8 in.
(235 mm)
01876
PRO 4600 Gun
with Standard Shroud
P/N 235–893
BACK MOUNTING POSITION
Fig 4
Install the Gun and Manifold (See Fig 5 )
1. Remove the air cap nut/air cap assembly and slide
the shroud off the gun.
2. Connect the gun to the manifold by tightening the
three socket head cap screws; use the ball end
wrench (46), supplied. Make sure the o-ring is in
place on the manifold.
3. Slide the gun and manifold along the dovetail until the
button head screw bottoms against the
bracket.
4. Secure the gun to the mounting bracket with the but-
ton head screw , using the ball end wrench (46).
Tighten the two mounting bracket setscrews.
5. Slide the shroud onto the gun and secure it by tight-
ening the air cap nut onto the gun barrel. Tighten the
nut just enough so that the air cap is snug but can still
be turned.
Connect the Air, Fluid, and Optional Fiber
Optic Lines (See Fig 6 )
WARNING
To reduce the risk of electrostatic shock or other
serious injury, the turbine air supply hose must be
electrically connected to a true earth ground. Use
Only Graco Electrically Conductive Air Supply
Hose and connect the hose ground wire to a true
earth ground.
See the ACCESSORIES section to order Graco Electri-
cally Conductive Air Supply Hose. This hose and the gun
have special left-hand threads to prevent connecting
another type of air supply hose to the gun turbine air inlet.
Connect the air, fluid, and optional fiber optic lines to the
gun manifold as shown in Fig 6 . Before connecting the
fluid line, blow it out with air and flush it with solvent. Use
solvent that is compatible with the fluid being sprayed.
2.3 in.
(58 mm)
12 in.
(304 mm)
mounting
01876
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Troubleshooting
