Lincoln Electric SVM162-B Internal SET UP Controls, TIG Welding Features, Stick Welding Features

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B-9

OPERATION

B-9

INTERNAL SET UP CONTROLS

• Switch #7 Arc Force Level(codes below 11000)–

Precision TIG 275 models which have an Advanced

Prevents "stubbing" of the electrode by providing

extra output current if the arc voltage drops below

Panel (K1829-1) option installed* have the following

the level required to sustain the welding arc. High

additional control features which are set up using the

(+65%) and Low (+12%) factory set levels are

DIP Switch (S1) provided on the internal panel of this

selectable which are good for most stick welding

option.

ON

applications.

Access to this internal panel is obtained by removing

– Higher for a "crisper" arc, often desired for 6010

the two screws securing the top corners of the

type electrodes.

Precision TIG front control panel and swinging the con-

OFF – Lower Arc Force (as shipped) for a "softer" arc

trol panel down to reveal the panel mounted on the sur-

with 7018 or general type electrodes.

face of the Precision TIG Control board:

• Switch #6 & #7 - Not functional

on codes

above 11000 - See item 7a for

CAUTION

adjustment of Hot Start and

• THE CONTROL BOARDS CONTAIN STATIC SEN-

Arc Force

SITIVE COMPONENTS

• Switch #8 - (NOT CURRENTLY FUNCTIONAL)

• To avoid possible damage to these components

be sure to ground yourself by touching the

machineʼs sheet metal while handling or making

TIG WELDING FEATURES

settings on the internal control box components.

The following DIP switch feature selections function

------------------------------------------------------------------------

PRECISION TIG ADVANCED PANEL

only when the Precision TIG is set to TIG mode (See

(Internal Panel)

Item 3):

• Switch #1 Preflow/Postflow Time

Extension*

^ ON

1

2

3

4

5

6

7

(See Item 9)

DIP SWITCH (S1)

ON

– Doubles the time ranges.

OFF – Standard time ranges (as shipped).

• Switch #2 2-Step Trigger Restart Feature (See

HOT START

Figure B.3)

F

ARC FORCE

ON – Restart Enabled (as shipped).

ON

OFF – Restart Disabled.

• Switch #3 4-Step Trigger Restart Feature (See

1

2

3

4

5

6

7

8

Figure B.4)

OFF

IONS (FACTORY SETTINGS)

DIP SWITCH POSIT

ON

– Restart Enabled.

OFF – Restart Disabled (as shipped)

STICK WELDING FEATURES

• Switch #4 (NOT CURRENTLY FUNCTIONAL)

The following DIP switch feature selections function

only when the Precision TIG is set to Stick mode. (See

• Switch #5 Crater-Fill Level (See Item 7)

Item 3):

ON

- Level is minimum rating of the machine (2A)

• Switch #6 Hot Start Level (codes below 11000) –

OFF – Level (as shipped) is Minimum Output setting

Provides an extra output "boost" pulse at the arc

(same as Start level).

strike to enhance arc starting. This is factory set for

* The Preflow/Postflow Time doubling feature can also be selected

a level (about 50% extra) which is usually good for

most stick welding applications

on Precision TIG 275 models without the Advanced Panel by

accessing the Control board in the control box per above instruc-

ON – Hot Start level is used (as shipped).

tions, then disconnecting the jumper terminals attached to the

jumper plug connected to receptacle J3 of the Control board.

OFF

– No Hot Start.

(Refer to Machine Wiring Diagram.)

PRECISION TIG 275