Air Line And Accessory Recommendations; Fluid Line And Accessory Recommendations - Graco 233670 Instructions-Parts List Manual

Air Line and Accessory
Recommendations
1. Install an air pressure regulator on the gun cylinder
air supply line.
A minimum of 70 psi (0.49 MPa, 4.9 bar) air pres-
sure must be supplied to the cylinder for proper
operation. Air pressure opens the valve, a spring
closes the valve. A three-way air valve, which
exhausts cylinder air, is required.
2. Install a bleed-type air shutoff valve on the main air
line. Install an additional bleed-type valve on each
pump air supply line, downstream of the pump air
regulator, to relieve air trapped between this valve
and the pump after the air regulator is shut off.
WARNING
The bleed-type air shutoff valve is required in your
system to relieve air trapped between this valve
and the pump after the air regulator is closed.
Trapped air can cause the pump to cycle unexpect-
edly, which could result in serious injury.
3. Install a bleed-type air shutoff valve on the gun air
cylinder supply line, downstream of the air regula-
tor, to shut off air to the gun cylinder. Connect the
air supply line to the gun cylinder air inlet (C). See
Fig. 4.
NOTE: The cylinder air inlet accepts 1/4 in. (6.3 mm)
O.D. tubing.
6 308813
Installation
Fluid Line and Accessory
Recommendations
D A fluid drain valve(s) is required in your system
to assist in relieving fluid pressure in the dis-
placement pump, hose and gun; triggering the
gun to relieve pressure may not be sufficient.
D A fluid pressure regulator must be installed in
the system if the pump's maximum working
pressure exceeds the gun's maximum fluid
working pressure (see the front cover).
1. Install a fluid filter and drain valve(s) close to the
pump's fluid outlet.
2. Install a fluid pressure regulator to control fluid
pressure to the gun.
NOTE: Some applications require fine-tuned control of
fluid pressure. You can control fluid pressure more
accurately with a fluid pressure regulator than by
regulating the air pressure to the pump.
3. Install a fluid shutoff valve to shut off the fluid
supply to the gun.
4. For paint spray applications, install an in-line fluid
filter, part no. 210500, on the gun fluid inlet (F) to
avoid clogging the spray tip with particles from the
fluid. See Fig. 4.
5. Connect the electrically conductive fluid hose to
the gun fluid inlet (F) or optional in-line filter.
WARNING
INJECTION HAZARD
To reduce the risk of property damage or
serious injury, including injection, which
could be caused by component rupture
or unrelieved fluid pressure,