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Installation, Caution warning, Output connections – Lincoln Electric PRECISION TIG 185 User Manual

Page 14: A-5 input reconnect procedure, Connections for tig (gtaw) welding

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A-5

INSTALLATION

PRECISION TIG 185

A-5

INPUT RECONNECT PROCEDURE

On multiple input voltage welders, be sure the
machine is connected per the following instructions
for the voltage being supplied to the welder.

Failure to follow these instructions can cause immedi-
ate failure of components within the welder and void
machineʼs warranty.
-----------------------------------------------------------------------

Multiple voltage models are shipped connected for the
highest voltage. To change this connection refer to the
following instructions.

ELECTRIC SHOCK can kill.

• Turn the input power OFF at the dis-

connect switch or fuse box before
working on this equipment.

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For the lowest rated voltage connection (Refer to figure A.1):

1. Remove the sheet metal left side cover.

2. Disconnect lead H3 from the power switch and

insulate with the insulation from the H2 lead.

3. Connect lead H2 to the power switch where H3 was

connected.

4. Tighten connections.

5. Replace sheet metal cover and all screws

For the highest rated voltage connection (Refer to figure A.1):
The machine is normally shipped connected for the
highest rated voltage, however verify the following:

1. Remove the sheet metal left side cover.

2. Disconnect lead H2 from the power switch and

insulate with the insulation from the H3 lead.

3. Connect lead H3 to the line switch where H2 was

connected.

4. Tighten connections.

5. Replace sheet metal cover and all screws.

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 185.

CAUTION

WARNING

FIGURE A.1 Reconnect Leads

INPUT LEADS

INPUT LEADS

L1 & L2

L1 & L2

LEAD H1

LEAD H1

(DO NOT

(DO NOT

REMOVE)

REMOVE)

FOR LOWEST RATED VOLTAGE

FOR LOWEST RATED VOLTAGE
: H2 CONNECTED

: H2 CONNECTED

FOR HIGHEST RATED VOLTAGE

FOR HIGHEST RATED VOLTAGE
: H3 CONNECTED

: H3 CONNECTED

BACK VIEW OF LINE SWITCH

BACK VIEW OF LINE SWITCH

OUTPUT CONNECTIONS

FIGURE A.2 Location of Output Connections

ELECTRODE/GAS

OUTLET

RECEPTACLE

(TWIST-MATE)

WORK CABLE & CLAMP