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A-6
INSTALLATION
PRECISION TIG 225
A-6
CONNECTIONS FOR TIG (GTAW) WELDING
TIG TORCH CONNECTION
Refer to Included Equipment in the Operation
Section of this manual for TIG welding equipment
which is included with the PRECISION TIG 225.
A PTA-17 Twist-Mate TIG welding torch with cable
and connector is supplied with the Ready-Pak Models
and available for other models (See Accessories
Section). Turn the Power Switch “OFF”. Connect the
torch cable Twist-Mate quick connect plug into the
Electrode/Gas Output Receptacle on the front of the
welder and turn it clockwise until it is tight. This is a
Twist-Mate quick connect terminal and also provides
the gas connection for the shielding gas to the torch.
To avoid receiving a high frequency shock, keep
the TIG torch and cables in good condition.
------------------------------------------------------------------------
WORK CABLE CONNECTION
A work cable with attached work clamp is factory con-
nected to the PRECISION TIG 225. To minimize high
frequency interference, refer to Input and Ground
and High Frequency Interference Protection sec-
tion of this manual for the proper procedure on
grounding the work clamp and work piece.
SHIELDING GAS CONNECTION
An adjustable gas pressure regulator with flow gage
and hose is supplied with the PRECISION TIG 225
Ready-Pak™ models and available separately for
other models (See Accessories Section). Obtain the
necessary inert shielding gas (usually argon). Connect
the cylinder of gas with the pressure regulator and
flow gage. Install the gas hose between the regulator
and gas inlet (located on the rear of the welder). The
gas inlet has a 5/16-18 right hand female thread;
CGA#032.
The availiable Under-Storage Cart features a low plat-
form that simplifies loading and unloading of gas cylin-
ders.
CYLINDER could explode
if damaged.
• Keep cylinder upright and chained
to a support.
• Keep cylinder away from areas
where it could be damaged.
• Never allow the torch to touch the cylinder.
• Keep cylinder away from live electrical circuits.
• Maximum inlet pressure 150 psi.
------------------------------------------------------------------------
A cylinder is loaded by leaning it slightly sideways and
rocking it up on the platform, being careful not to
allow the Under-Storage Cart to roll. Secure the
cylinder in place with the provided chain. Unload
by following these steps in reverse.
REMOTE CONTROL CONNECTION
A remote control receptacle is provided on the case
front of the welder for connecting a remote control to
to the machine. A Foot Amptrol™, foot activated
remote control, is included with the PRECISION TIG
225 Ready-Pak™ models and availiable separately
for other models. Refer to the Optional Accessories
Section of this manual for other available remote con-
trols.
CONNECTIONS FOR STICK (SMAW)
WELDING
STICK ELECTRODE CABLE AND WORK CABLE
CONNECTION
Refer to Field Installed Options in the Accessories
Section of this manual for STICK welding equipment
which is availiable for use with the PRECISION TIG
225. An electrode holder with Twist-Mate cable and
Twist-Mate connector are availiable separately for use
with the PRECISION TIG 225. (See Accessories
Section). Turn the Power Switch “OFF”. Connect
the Twist-Mate quick connect plug into the
Electrode/Gas Output Receptacle and turn it clock-
wise until it is tight. The work cable and work clamp
are factory connected.
WARNING
WARNING