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Page 2 of 8 65178X-XXX-B (en)
OPERATING AND SAFETY PRECAUTIONS
Read and heed all warnings, cautions and safety pre-
cautions before operation of this unit.
Be certain anyone operating this equipment or fluid
system has been trained to use it safely.
WARNING
HIGH PRESSURE DEVICE. Improper usage of
this equipment could result in serious injury. The pos-
sibility of injection into the esh is a potential hazard.
Wear approved safety glasses or face shield and other
equipment as needed to prevent injury. Never al-
low any part of the human body to come in front of
or in contact with the material outlet, the tip, or the
material outlet of the dispensing device. An injection
injury can be serious. If an injection accident should
occur, it is very important that you contact a quali ed
physician for immediate treatment.
WARNING
MISAPPLICATION HAZARD. Do not use the
regulator when the uid inlet pressure is too high for
the designed operating range. Excessive inlet pres-
sure can cause a lock-out situation. Lock-out occurs
when the inlet pressure is beyond the regulator’s
spring capacity. The valve will not open. Attempts to
disassemble components while in a lock-out condi-
tion may result in injury.
WARNING
COMPONENT RUPTURE. Do not operate
regulator at an inlet pressure greater than speci ed.
To avoid possible damage or personal injury do not
operate this unit at pressure higher than the stated
operating range as it appears on the model plate.
INSTALLATION
Figure 2
WARNING
DISASSEMBLY HAZARD. Do not disassemble
this regulator when it is under pressure. Relieve pres-
sure in the pumping system before attempting service
or disassembly procedures. Disconnect air lines and
carefully bleed pressure o the system. Be certain the
system is not maintaining pressure due to a material
restriction in the hose, line, dispensing device, or the
spray or extrusion tip. Failure to relieve pressure both
up stream and downstream may result in an injury
upon disassembly.
WARNING
BONNET REMOVAL HAZARD. Do not at-
tempt to remove the four bonnet retaining bolts
without rst relieving the tension on the main spring.
Failure to relieve tension could result in an accident
upon disassembly.
WARNING
PREVENT FIRES. Keep solvents away from
heat, sparks or open flame. Keep containers closed
when not in use. When pumping, flushing or recir-
culating volatile solvents, be certain the area is ad-
equately ventilated.
CAUTION
FLUSH SUPPLY LINE. Before installing uid
regulator blow the supply lines clear and ush to re-
move contaminates.
WARNING
= Hazards or unsafe practices which
could result in severe personal injury,
death or substantial property damage.
CAUTION
= Hazards or unsafe practices which
could result in minor personal injury,
product or property damage.
NOTICE
= Important installation, operation or
maintenance information.
Refer to the typical installation view which best applies.
Locate the regulator as close as possible to the spray gun
or dispensing device for best pressure control.
Identify the regulator INLET / OUTLET (flow direction).
The regulator is marked with an arrow on the body base
(refer to gure 10).
When flexible fluid lines are used, mount the regulator
securely using the (2) 1/4” - 20 threaded holes in the base
(see gure 10).
Flush supply line before installing regulator.
Remote models require maximum 100 p.s.i. (6.9 bar)
signal pressure. Start with a signal pressure as low as pos-
sible and adjust upward until proper ow is reached.
TYPICAL RECIRCULATING SYSTEM
Back Pressure
Regulator
Back Pressure
Regulator
Back Pressure
Regulator
Down
Stream
Regulator
Down
Stream
Regulator
Heater
Filter
EXCESSIVE AIR PRESSURE
STATIC SPARK
HAZARDOUS MATERIALS
HAZARDOUS PRESSURE
TYPICAL DEAD END SYSTEM
Down
Stream
Regulator
Down
Stream
Regulator
Filter
TYPICAL REMOTE SYSTEM
Filter
Remote
Regulator
Automatic
Extrusion Gun
Limit Switch
4-Way Valve
(Material)
(Air)
F-R-L
F-R-L
ARO® is a registered trademark of Ingersoll Rand Company Loctite® and 242® are registered trademarks of Henkel Loctite Corporation
271™ and 680™ are trademarks of Henkel Loctite Corporation Hytrel® is a registered trademark of the DuPont Company
Perma-lok® is a registered trademark of National Starch and Chemical Corporation