Input Reconnect Procedure; Output Connections; Connections For Tig Welding; Tig Torch Connection - Lincoln Electric PRECISION TIG 185 SVM169-A Service Manual

A-6

INPUT RECONNECT PROCEDURE

On multiple input voltage welders, be sure the machine
is connected per the following instructions for the volt-
age being supplied to the welder.
CAUTION
Failure to follow these instructions can cause immedi-
ate failure of components within the welder and void
machine's warranty.
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Multiple voltage models are shipped connected for the
highest voltage. To change this connection refer to the
following instructions.
WARNING
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 insu-
late 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 insu-
late 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.
INSTALLATION
LEAD H1
(DO NOT
REMOVE)
FOR LOWEST RATED VOLTAGE
FOR HIGHEST RATED VOLTAGE
BACK VIEW OF LINE SWITCH
FIGURE A.1 Reconnect Leads

OUTPUT CONNECTIONS

FIGURE A.2 Location of Output Connections
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.
PRECISION TIG 185
INPUT LEADS
L1 & L2
: H2 CONNECTED
: H3 CONNECTED
WORK CABLE & CLAMP
A-6
ELECTRODE/GAS
OUTLET
RECEPTACLE
(TWIST-MATE)