Work Cable Connection; Shielding Gas Connection; Remote Control Connection; Connections For Stick Welding - Lincoln Electric PRECISION TIG 185 SVM169-A Service Manual

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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.
WARNING
To avoid receiving a high frequency shock, keep
the TIG torch and cables in good condition.
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WORK CABLE CONNECTION

A work cable with attached work clamp is factory con-
nected to the PRECISION TIG 185. To minimize high
frequency interference, refer to Machine Grounding
and High Frequency Interference Protection
section 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 185
Ready-Pak Models and available separately for other
models (See Accessories Section). Obtain the neces-
sary 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 available Under-Storage Cart features a low plat-
form that simplifies loading and unloading of gas cylin-
ders.
WARNING
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.
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INSTALLATION
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 185
Ready-Pak models and available separately for other
models. Refer to the Optional Accessories section of
this manual for other available remote controls.
CONNECTIONS
WELDING
STICK ELECTRODE CABLE AND WORK
CABLE CONNECTION
Refer to Field Installed Options in Accessories Section
of this manual for STICK welding equipment which is
available for use with the PRECISION TIG 185. An
electrode holder with Twist-Mate cable and Twist-Mate
connector are available separately for use with the
PRECISION TIG 185. (See Accessories Section).
Turn the Power Switch "OFF". Connect the Twist-Mate
quick connect plug into the Electrode/Gas Output
Receptacle and turn it clockwise until it is tight. The
work cable and work clamp are factory connected.
PRECISION TIG 185
FOR STICK (SMAW)
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