Lincoln Electric SVM162-B service manual Figure B.4

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B-11	OPERATION	B-11
	FIGURE B.4

START/CRATER CURRENT

4 Step Trigger Modes	UP-SLOPE
	DOWN-SLOPE

Torch

Button

Output
Current
Gas	Pre-Flow		Post Flow	Pre-Flow		Post Flow
		Normal Sequence			Hold the first trigger pull to maintain
					the starting current and delay
					up-slope.

4 Step - Restart Enabled

(With DIP Switch #3 ON)

Torch

Button

Output
Current
	Pre-Flow			Post	Flow		Post	Flow
Gas
		Hold the second trigger	Actuate the trigger			Actuate the trigger			Or actuate and hold the trigger,
		pull for more than 1	holding it less than 1			again, during			during down-slope, to immediately
		second to activate the	second, to begin			down-slope, to			end down-slope and maintain
		restart function. When the	normal down-slope.			immediately end			crater current. Hold the trigger for
		trigger is released	The following two			down-slope and stop.			more than 1 second to activate the
		up-slope will occur.	options are available						restart function. When the trigger
			during the normal						is released up-slope will occur.
			down-slope period.

4 Step - Restart Disabled

(With DIP Switch #3 OFF. As Shipped)

Torch

Button

Output

Current

Pre-Flow

Post

Flow

Post

Flow

Post

Flow

Gas

Hold the second trigger

Actuate the trigger

Actuate the trigger a third

Or actuate the trigger a third time,

pull for more than 1

holding it less than 1

time, during down-slope, to

during down-slope, to immediately

second to maintain

second, to begin

immediately end down-slope

end down-slope. Hold the third trigger

crater current before

normal down-slope.

and stop.

pull to maintain crater current.

stopping.

The following two

options are available

during the normal

4 Step.eps

down-slope period.

JRH

12-17-07

PRECISION TIG 275