Tig Torch Connection - Lincoln Electric PRECISION TIG 375 IM909 Operator's Manual

A-6
REMOTE
CONTROL
RECEPTACLE
STICK
ELECTRODE
STUD

TIG TORCH CONNECTION

The Precision TIG torch connection box, located on the
right side of the machine, provides all the input and
output connections for the installation of both air-
cooled and water-cooled TIG torches with fittings con-
forming to Compressed Gas Association (CGA) stan-
dards:
Note: The Precision TIG provides an insulated Torch
Reel and Holster for handy and safe storage of con-
nected torch when not welding, and excess torch cable
length while welding.
WARNING
Combination connectors
Power/Gas) are electrically "hot" while welding in
STICK or TIG modes.
If using an Air-Cooled Torch be sure coolant is
shut off and/or Cooler is unplugged from the
Precision TIG Water Cooler Receptacle on the
torch side of the upper case back.
Observe the safety precautions necessary for han-
dling and using compressed gas containers.
Contact your supplier for specifics.
INSTALLATION
FIGURE A.2
STICK STICK
(Shown without hinged stud cover)
FIGURE A
(Power/Water and
PRECISION TIG 375
WORK WORK
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 cir-
cuits.
• Maximum inlet pressure 150 psi.
-----------------------------------------------------------------
The Precision TIG machines do not have Hi-Freq.
available at the Stick electrode stud, therefore stud
connection adapters (such as LECO. S19257-series)
cannot be used for torch connection.
Single-piece cable air-cooled torches with a 3/8-24 RH
connector fitting (such as the Magnum PTA-9/-17, or LA-
9/-17) require the provided S20403-4 Torch Connector,
while those with a 7/8-14 RH connector fitting (such as
the Magnum PTA-26, or LA-26) require the available
K2166-1 Torch Connector. (See Figure A.3)
Two-piece cable air-cooled torches (such as PTA-, or LA-
torches) can be used with the available K2166-2 1/2"
Stud Connector with with a 7/8-14 LH male fitting.
Magnum PTW-18/-20 (or LW-) water-cooled Torches
require no adapter for Precision TIG connection.
A-6
TIG TORCH
CONNECTION
P ANEL
WORK
STUD
CABLE
STRAIN
RELIEF HOLES