Hobart Welding Products OM-948 manual Table of Contents

WARNING

This product, when used for welding or cutting, produces fumes or gases which contain chemicals known to the State of California to cause birth defects and, in some cases, cancer. (California Health & Safety Code Section 25249.5 et seq.)

The following terms are used interchangeably throughout this manual: Mig = GMAW

OM-948

TABLE OF CONTENTS

SECTION 1 –SAFETY PRECAUTIONS FOR FCAW AND GMAW WELDING GUNS – READ
	BEFORE USING	1
1-1.	Symbol Usage	1
1-2. FCAW And GMAW Gun Hazards		1
EMF INFORMATION		2
SECTION 2 – SAFETY INFORMATION		3
SECTION 3 – INSTALLATION		3
3-1.	Specifications	3
3-2. Duty Cycle And Overheating		3
3-3. Installing Gun Into Welding Power Source		4
3-4.	Threading Welding Wire	5
SECTION 4 – OPERATION		6
4-1.	Operating The Gun	6
SECTION 5 – MAINTENANCE & TROUBLESHOOTING		7
5-1. Replacing Gun Contact Tip		7
5-2.	Cleaning Gun Liner	7
5-3.	Replacing Gun Liner	8
5-4.	Replacing Liner O-Ring	10
5-5. Replacing Switch And/Or Head Tube		12
5-6. Removing Gun From Welding Power Source		13
5-7.	Routine Maintenance	14
5-8.	Troubleshooting	14
SECTION 6 – PARTS LIST		15
WARRANTY