Table of Contents | Miller Electric MARK VIII-2 specs

TABLE OF CONTENTS

SECTION 1 − SAFETY PRECAUTIONS - READ BEFORE USING		1
1-1.	Symbol Usage	1
1-2.	Arc Welding Hazards	1
1-3.	Additional Symbols For Installation, Operation, And Maintenance	3
1-4.	California Proposition 65 Warnings	3
1-5.	Principal Safety Standards	4
1-6.	EMF Information	4
SECTION 2 − CONSIGNES DE SÉCURITÉ − LIRE AVANT UTILISATION		5
2-1.	Symboles utilisés	5
2-2.	Dangers relatifs au soudage à l’arc	5
2-3.	Dangers supplémentaires en relation avec l’installation, le fonctionnement et la maintenance	7
2-4.	Proposition californienne 65 Avertissements	7
2-5.	Principales normes de sécurité	8
2-6.	Information EMF	8
SECTION 3 − SPECIFICATIONS		9
3-1.	Specifications	9
3-2.	Volt-Ampere Curves	9
3-3. Duty Cycle And Overheating		10
SECTION 4 − INSTALLATION		11
4-1.	Selecting A Location And Moving Polyweld System	11
4-2.	Dimensions, Weights And Base Mounting Hole Layout	12
4-3.	Selecting And Preparing Weld Output Cables	12
4-4.	Weld Cable Size	13
4-5.	Connecting Weld Output Cables	14
4-6.	Connecting To Weld Output Terminals	14
4-7.	Remote Amperage Control Receptacle	17
4-8.	Remote Contactor Control Connections (Optional)	17
4-9. 115 Volts AC Duplex Receptacle		18
4-10.	Connecting Input Power	18
4-11.	Electrical Service Guide	20
SECTION 5 − OPERATION		20
5-1.	Controls	20
5-2.	Amperage Adjustment Controls	21
5-3.	Power Switch Push Buttons And Pilot Light	21
SECTION 6 − MAINTENANCE & TROUBLESHOOTING		22
6-1.	Routine Maintenance	22
6-2.	Overload Protection	22
6-3.	Blank Module Panel	23
6-4.	Troubleshooting	24
SECTION 7 − ELECTRICAL DIAGRAM		26
SECTION 8 − SELECTING AND PREPARING
TUNGSTEN ELECTRODE		28
8-1.	Selecting Tungsten Electrode	28
8-2.	Preparing Tungsten For AC Or DC Electrode Positive (DCEP) Welding	29
8-3.	Preparing Tungsten For DC Electrode Negative (DCEN) Welding	29
SECTION 9 − GUIDELINES FOR TIG WELDING (GTAW)		30
9-1.	Positioining The Torch	30
9-2.	Torch Movement During Welding	30
9-3.	Positioning Torch Tungsten For Various Weld Joints	31
SECTION 10 − PARTS LIST		32

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Miller Electric MARK VIII-2 manual Table of Contents

Contents

Description OM-218 From Miller to You Table of Contents Page Electric Shock can kill Symbol UsageMarks a special safety message Arc Welding Hazards Buildup of GAS can injure or kill ARC Rays can burn eyes and skinWelding can cause fire or explosion Flying Metal can injure eyes California Proposition 65 Warnings Principal Safety Standards EMF InformationAbout Pacemakers UNE Décharge Électrique peut entraîner la mort LES Fumées ET LES GAZ peuvent être dangereuxIndique un message de sécurité particulier DES Pièces Chaudes peuvent provoquer des brûlures graves LE Soudage peut provoquer unIncendie ou une explosion DES Particules Volantes peuvent blesser les yeux DES Organes Mobiles peuvent provoquer des blessures Risque D’INCENDIE OU D’EXPLOLA Chute DE L’APPAREIL peut blesser ’EMPLOI Excessif peut SUR En ce qui concerne les stimulateurs cardiaques Principales normes de sécurité Amperes Input at Rated Load Output, 60 Hz − SpecificationsSpecifications Volt-Ampere Curves Overheating Duty Cycle And OverheatingFor Each Module And Total System For Main Transformer Location And Airflow − InstallationSelecting a Location And Moving Polyweld System Movement Selecting And Preparing Weld Output Cables Dimensions, Weights And Base Mounting Hole LayoutDimensions Weight Weld Cable Size 150 ft 200 ft 250 ft350 ft 400 ft 15m 30m 45 m 60 m 70 m 90 m 105 m 120 m Connecting To Weld Output Terminals Connecting Weld Output Cables Separate Work Connections Read Safety Blocks at start of -6before proceedingStandard Module Connections Common Work Cable Size Separate Work Connections Common Work Parallel Module Connections Remote Contactor Control Connections Optional Remote Amperage Control Receptacle TE3 TE2 Connecting Input PowerVolts AC Duplex Receptacle Positioning Jumper Links Disconnect Device Input Power Connec- tions Connecting Input PowerWelding Power Source Input Power Con- nections Close and secure access door on welding power source Controls Electrical Service GuideTime-Delay − Operation Hz Model Shown Amperage Adjustment ControlsPower Switch Push Buttons And Pilot Light Min 35 a Max 125 a Set Switch Set Desired Maximum Amperage Overload Protection − Maintenance & TroubleshootingRoutine Maintenance Months Blank Module Panel Control Fuses F3 And F4Module Fuse Links F11 And F12 Through F81 And F82 Troubleshooting Turn Off polyweld system, and disconnect input powerBefore inspecting, maintaining, or servicing OM-218 Circuit Diagram For Polyweld System − Electrical Diagram SD-082 527-C − Selecting and Preparing Tungsten Electrode Selecting Tungsten ElectrodeAmperage Range Gas Type Polarity Preparing Tungsten For DC Electrode Negative Dcen Welding − Guidelines for TIG Welding Gtaw Positioining The TorchTorch Movement During Welding Butt Weld And Stringer Bead Joint Lap Joint Corner Joint Positioning Torch Tungsten For Various Weld Joints Main Assembly Section a − Parts List TP1 Main Assembly Section B CR1 194 Panel, Front Module w/Components -1Item Panel, Front Lower w/Components Panel, Front Lower w/Components -1ItemPage Service Your distributor also givesSupport Your distributor and/or equipment manufacturer’s To locate a Distributor or Service Agency visitMiller Electric Mfg. Co For assistance in filing or settling claims, contact