Figure b.4, Operation, B-11 – Lincoln Electric PRECISION TIG 275 SVM162-B User Manual

Page 27

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B-11

OPERATION

B-11

PRECISION TIG 275

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FIGURE B.4

4 Step Trigger Modes

4 Step - Restart Enabled

4 Step - Restart Disabled

Torch
Button

Output
Current

Gas

Pre-Flow

Pre-Flow

Post Flow

Post Flow

Normal Sequence

Torch
Button

Output
Current

Gas

Pre-Flow

Post Flow

START/CRATER CURRENT

UP-SLOPE

DOWN-SLOPE

(With DIP Switch #3 ON)

(With DIP Switch #3 OFF. As Shipped)

Post Flow

Hold the second trigger
pull for more than 1
second to activate the
restart function. When the
trigger is released
up-slope will occur.

Actuate the trigger
holding it less than 1
second, to begin
normal down-slope.
The following two
options are available
during the normal
down-slope period.

Actuate the trigger
again, during
down-slope, to
immediately end
down-slope and stop.

Or actuate and hold the trigger,
during down-slope, to immediately
end down-slope and maintain
crater current. Hold the trigger for
more than 1 second to activate the
restart function. When the trigger
is released up-slope will occur.

Hold the first trigger pull to maintain
the starting current and delay
up-slope.

Torch
Button

Output
Current

Gas

4 Step.eps
12-17-07
JRH

Pre-Flow

Post Flow

Post Flow

Post Flow

Hold the second trigger
pull for more than 1
second to maintain
crater current before
stopping.

Actuate the trigger
holding it less than 1
second, to begin
normal down-slope.
The following two
options are available
during the normal
down-slope period.

Actuate the trigger a third
time, during down-slope, to
immediately end down-slope
and stop.

Or actuate the trigger a third time,
during down-slope, to immediately
end down-slope. Hold the third trigger
pull to maintain crater current.

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