Graco Inc. 307-712 Paint Sprayer User Manual


 
6
307-712
TYPICAL INSTALLATION
KEY
A Air
Supply Shut-of
f V
alve (bleed-type)
B
Air & W
ater Separator
C
Ball V
alve
D
Air Line Lubricator
E
Air Regulator
F Pump
G
Fluid Filter
H
Drain V
alve
J
Pump Ground Wire
K
Air Filter (40 micron)
L
Fluid Regulator
N
ES Automatic Gun
P
Normally Closed, 3-W
ay Air Solenoid
V
alve or 3-W
ay Manual V
alve
Q
Exhaust Hose
NON–HAZARDOUS
AREA
HAZARDOUS AREA
WARNING
SIGN
B
K
F
A
E
D
H
G
C
E
A
N
Power
Supply Must Be Interlocked
W
ith Spray Booth Exhaust Fan.
J
A
L
Turbine Air
Atom. Air
Cyl. Air
Fluid Line
Electric Box
J
Q
P
Opt. Remote Fan Air
J
Main Air Line
The Typical Installation shown above is only a guide for
selecting
and installing electrostatic air spray systems. It
is not an actual system design. The particular type and
size
system
for your operation must be custom designed
for your needs. For assistance in designing a system,
contact
your Graco representative.
WARNING
Installing and servicing this equipment requires ac-
cess
to parts which may cause electric
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 electrical
apparatus in a Class 1, Group D, Divisions 1 and 2
Hazardous
Location.
Warning Signs
A
warning sign in English and one in Spanish is supplied
with the gun. Mount warning signs in the spray area
where
they can easily be seen and read
by all operators.
This
sign is also available in French and German. See the
ACCESSORIES
section to order
.
Ventilate the Spray Booth
WARNING
To
prevent hazardous concentrations of toxic and/
or flammable vapors, spray only in a properly ven
-
tilated
spray booth.
Never operate
the spray gun
unless ventilation fans are operating. The air
supply to the gun must be electrically interlocked
with the ventilators to prevent operation of the
power
supply unless ventilating fans are running.
Check
and follow all of the National, State and Lo
-
cal codes regarding air exhaust velocity require-
ments.
Check
and follow all local
safety and fire codes and
OSHA standard 1910–107(b)(5)(i).
NOTE: High
velocity air exhaust will decrease the oper
-
ating efficiency of the electrostatic system. The
minimum
allowable air exhaust velocity is 19 lin
-
ear
meters/minute (60 ft/min).