Hobart Welding Products OM-928 specifications 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.)

OM-928

TABLE OF CONTENTS

SECTION 1 – SAFETY PRECAUTIONS - READ BEFORE USING		1
1-1.	Symbol Usage	1
1-2. Plasma Arc Cutting Hazards		1
1-3.	Additional Symbols For Installation, Operation, And Maintenance	3
1-4.	Principal Safety Standards	4
1-5.	EMF Information	4

SECTION 1 – CONSIGNES DE SÉCURITÉ – LIRE AVANT UTILISATION		5
1-1.	Signification des symboles	5
1-2. Dangers liés au coupage à l’arc au plasma		5
1-3.	Dangers supplémentaires en relation avec l’installation, le fonctionnement
	et la maintenance	7
1-4.	Principales normes de sécurité	7
1-5.	Information sur les champs électromagnétiques	8

SECTION 2 – INSTALLATION		9
2-1. Specifications For Power Source		9
2-2.	Specifications For Torch	9
2-3. Duty Cycle And Overheating		9
2-4. Torch Dimensions And Weight		10
2-5.	Selecting A Location	10
2-6.	Connecting Work Clamp	11
2-7.	Connecting Input Power	11

SECTION 3 – OPERATION		12
3-1.	Controls	12
3-2.	Cutting Speed	12
3-3.	Trigger Safety Lock	13
3-4.	Sequence Of Operation	13

SECTION 4 – MAINTENANCE & TROUBLESHOOTING		14
4-1.	Routine Maintenance	14
4-2. Trouble Light And Checking Shield Cup Shutdown System		15
4-3. Torch And Work Cable Connections		16
4-4.	Checking/Replacing Retaining Cup, Tip, And Electrode	17
4-5.	Troubleshooting Power Source	18
4-6.	Troubleshooting Torch	19
SECTION 5 – ELECTRICAL DIAGRAM		20
SECTION 6 – PARTS LIST		21
WARRANTY