Operation, Keep flammable material away

OPERATION

Safety Precautions

WARNING

Initial Checkout of Magnum SG System Installation

If all of the following steps check okay, then your system is correctly installed and operational.

ELECTRIC SHOCK

can kill

GASES can be

dangerous.

WELDING SPARKS

can cause fire or

•Do not touch electrically live parts or electrode with skin or wet clothing.

•Insulate yourself from work and ground.

•Keep your head out of fumes.

•Use ventilation or exhaust to remove fumes from breathing zone.

•Wear eye, ear andbody protection.

1.	Inspect all cables and connectors for missing or incorrect
	connections.
	In particular, ensure that ground lead is correctly attached
	to chassis ground inside welder with terminal strip control
	connections.
2.	Open gas cylinder valve and adjust regulator.
3.	Set power source to minimum tap or output setting.
4.	Set power source mode switch for CV output, if applicable.
5.	Remove idle roll pressure in spool gun by pushing release
	lever up so that it will not feed wire.
6.	Apply power to power source.
7.	Pick up spool gun and squeeze spool gun trigger. Solenoid
	valve in Control Module should energize. Gas should be
	heard flowing from cone of spool gun. Drive roll in spool
	gun should rotate clockwise.
8.	Rotate wire speed control knob on Module from minimum
	to maximum with trigger pressed and verify that drive roll
	speed increases significantly.
9.	For K847 spool gun only, rotate speed control in handle and
	verify that speed varies between 0 and 100% of setting on
	Control Module.
10.	Release trigger. Gas flow should be heard to stop.
11.	Set preflow time on Control Module to minimum and press
	trigger. Drive roll should start rotating after approximately

1 second.

12. Turn preflow control on Control Module to minimum and

squeeze trigger. Drive roll should start rotating immediately.

Release trigger.

tional with the spool gun by pressing the trigger. On some

machines the contactor will be audible; on others it may

be silent.

Observe that voltage is present (observed with power

sources equipped with a voltmeter).

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