32
SECTION 3 INSTALLATION
WARNING
Never stand directly in front of or behind the regulator when opening the cylin-
der valve. Always stand to one side.
Figure 10 - R-33 Regulator
Cylinder Valve
Connection
Nut
Flow Tube
Control Valve
Pressure
Gauge
3.8 CONNECTION OF SHIELDING GAS SUPPLY
3.8.1 R-33-FM-580 Regulator
The R-33-FM-580 regulator is an adjustable regulator designed for use with Argon, Helium, and C-25 (75% Argon/25% CO
2
)
gas service. Table 2 provides the recommended ow ranges for the R-33-FM-580 regulator.
Argon 10-50 cfh
Helium 150-230 cfh
C-25 10-50 cfh
Table 2 - Typical Flow Rates
A. With the cylinder cap in place, CAREFULLY slide the cylinder of gas onto the Multimaster 260 cylinder rack.
B. Secure the cylinder to the unit using the chain provid ed.
C. Unscrew the cylinder cap.
Do not clamp regulator cap in a vise or grip it with a pair of pliers. Distortion of cap
can jam the internal parts and cause excessively high delivery pressure as well as
weaken the threaded joint to the regulator body. This may cause the cap to y o
and possibly injure personnel in area.
WARNING
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