Hobart OM-1581 manual Gun Controls, Shielding Gas, Coolant Supply For Water-Cooled Models Only

4-12. Gun Controls

1 Trigger

Press trigger to energize welding power source contactor (if applica- ble), start shielding gas flow, and begin wire feed.

For shielding gas preflow and post- flow, partially press trigger before and partially release after welding.

2 Wire Speed Control

Use control to adjust wire feed speed. The numbers around the control are for reference only.

1

2

Ref. 802 536

4-13. Shielding Gas

2

1

3

1 Shielding Gas Cylinder

2 Valve

3 Gun Trigger

Open valve on cylinder just before welding.

Gun trigger turns weld output and gas flows on and off (see Section 4-12).

Close valve on cylinder when

finished welding.

sb5.1 6/92 – S-0621-C / Ref. 802 536

4-14. Coolant Supply For Water-Cooled Models Only

	1	Coolant Supply
	See	Section 3-17 for coolant
1	guidelines.
	Turn On coolant supply before
	welding.

Turn Off coolant supply when finished welding.

Ref. 150 755-A

4-15. Sequence Of Gas Metal Arc Welding (GMAW) – Continuous Or Spot

Install &	Put On		Turn On Gas	Turn On Feeder	Begin Welding
Connect	Personal Safety	Set Controls	And Water (If	And Welding
Equipment	Equipment		Applicable)	Power Source
					ssb6.1* 9/92

OM-1581 Page 28