Miller CST 280 User Manual - Free PDF Download

Page 2 - To locate your nearest; Thank you; From Miller to You

Miller Electric manufactures a full lineof welders and welding related equipment.For information on other quality Millerproducts, contact your local Miller distributor to receive the latest fullline catalog or individual specification sheets. To locate your nearest distributor or service agency call...

Page 3 - TABLE OF CONTENTS

TABLE OF CONTENTS SECTION 1 − SAFETY PRECAUTIONS - READ BEFORE USING 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1. Symbol Usage 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1...

Page 5 - ELECTRIC SHOCK can kill.

OM-217655 Page 1 SECTION 1 − SAFETY PRECAUTIONS - READ BEFORE USING som 2018 − 01 7 Protect yourself and others from injury — read, follow, and save these important safety precautions and operating instructions. 1-1. Symbol Usage DANGER! − Indicates a hazardous situation which, if not avoided, will ...

Page 6 - FUMES AND GASES can be hazardous.; ARC RAYS can burn eyes and skin.; WELDING can cause fire or explosion.; BUILDUP OF GAS can injure or kill.

OM-217655 Page 2 Welding produces fumes and gases. Breathing these fumes and gases can be hazardous to your health. FUMES AND GASES can be hazardous. Keep your head out of the fumes. Do not breathe the fumes. Ventilate the work area and/or use local forced ventilation at the arc to remove welding fu...

Page 7 - BATTERY EXPLOSION can injure.

OM-217655 Page 3 Compressed gas cylinders contain gas under high pressure. If damaged, a cylinder can explode. Since gas cylinders are normally part of the welding process, be sure to treat them carefully. CYLINDERS can explode if damaged. Protect compressed gas cylinders from excessive heat, mechan...

Page 9 - SECTION 2; CONSIGNES DE SÉCURITÉ; UNE DÉCHARGE ÉLECTRIQUE peut

OM-217655 Page 5 SECTION 2 − CONSIGNES DE SÉCURITÉ − LIRE AVANT UTILISATION som_2018 − 01_fre 7 Pour écarter les risques de blessure pour vous − même et pour autrui — lire, appliquer et ranger en lieu sûr ces consignes relatives aux précautions de sécurité et au mode opératoire. 2-1. Symboles utilis...

Page 12 - -4. Proposition californienne 65 Avertissements

OM-217655 Page 8 LIRE LES INSTRUCTIONS. Lire et appliquer les instructions sur les étiquettes et le Mode d’emploi avant l’instal- lation, l’utilisation ou l’entretien de l’appareil. Lire les informations de sécurité au début du manuel et dans chaque section. N’utiliser que les pièces de rechange rec...

Page 13 - SECTION 3; -1. Additional Safety Symbols And Definitions

A complete Parts List is available at www.MillerWelds.com OM-217655 Page 9 SECTION 3 − DEFINITIONS 3-1. Additional Safety Symbols And Definitions Some symbols are found only on CE products. Warning! Watch Out! There are possible hazards as shown by the symbols. Safe1 2012 − 05 Do not discard product...

Page 15 - -2. Miscellaneous Symbols And Definitions; Notes

A complete Parts List is available at www.MillerWelds.com OM-217655 Page 11 3-2. Miscellaneous Symbols And Definitions A Amperage V Voltage On Off Remote Voltage Input Line Connection Three Phase Negative Foot Control Single Phase Positive Gas Tungsten Arc Welding % Percent Increase Output Shielded ...

Page 16 - -1. Serial Number And Rating Label Location

OM-217655 Page 12 SECTION 4 − SPECIFICATIONS 4-1. Serial Number And Rating Label Location The serial number and rating information for this product is located on the back. Use rating label to determine input power requirements and/or rated output. For future reference, write serial number in space p...

Page 17 - B. Temperature Specifications

OM-217655 Page 13 C. 208-230/400-460 Volts VRD Model* Welding Mode Input Power Rated Output Welding Amperage Range Maximum Open-Circuit Voltage Amperes Input At Rated Load Output, 50/60 Hz KVA KW Dimensions Net Weight 208 230 400 460 Stick (SMAW) 3-Phase 280 A @ 31.2 VDC, 35 % Duty Cycle 5-280 A 30 ...

Page 18 - A or V

OM-217655 Page 14 4-4. Duty Cycle And Overheating Duty Cycle is percentage of 10 minutes that unit can weld at rated load without overheating.If unit overheats, output stops, and cooling fan runs. Wait fifteen minutes for unit to cool. Reduce amperage or duty cycle before welding. NOTICE − Exceeding...

Page 23 - DCEN (Direct Current Electrode Negative) Connections

OM-217655 Page 19 5-4. TIG Lift-Arc t DCEN (Direct Current Electrode Negative) Connections 803 943-A 1 Positive (+) Weld Output Terminal Connect work lead to positive weld output terminal.2 Negative ( − ) Weld Output Terminal Connect TIG torch to negative weld output terminal.3 Gas Cylinder 4 Cylind...

Page 29 - Pros weld and cut

OM-217655 Page 25 5-9. Connecting 1-Phase Input Power (Continued) Input1 2012 − 05 ! Installation must meet all National and Local Codes − have only qualified per- sons make this installation. ! Disconnect and lockout/tagout input power before connecting input con- ductors from unit. Follow establis...

Page 33 - Stick Start Procedure

OM-217655 Page 29 6-2. Process Select Control 1 Process Select Control Rotate knob to select desired process. Lift-Arc TIG - Normal open-circuit voltage is not present between the electrode and workpiece. A solid-state contactor does not energize until after the electrode touches the workpiece, prev...

Page 34 - Start Procedure

OM-217655 Page 30 6-4. Lift-Arc ™ Start Procedure Lift-Arc Start With Lift-Arc selected, start arc as follows:1 TIG Electrode 2 Workpiece Turn gas on. Touch tungsten electrode to workpiece at weld start point. Hold electrode to workpiece for 1-2 seconds , and slowly lift electrode. Arc is formed whe...

Page 42 - Wear Clean Gloves To Prevent Contamination Of Tungsten

OM-217655 Page 38 SECTION 9 − SELECTING AND PREPARING A TUNGSTEN FOR DC OR AC WELDING WITH INVERTER MACHINES gtaw_Inverter_2013-10 Whenever possible and practical, use DC weld output instead of AC weld output. 9-1. Selecting Tungsten Electrode ( Wear Clean Gloves To Prevent Contamination Of Tungsten...

Page 44 - 0-3. Positioning Torch Tungsten For Various Weld Joints

OM-217655 Page 40 10-2. Torch Movement During Welding ST-162 002-B Tungsten Without Filler Rod Tungsten With Filler Rod Form pool Tilt torch Move torch to front of pool. Repeat process. 75 ° 75 ° Welding direction Form pool Tilt torch Add filler metal Move torch to front of pool. Repeat process. Rem...

Page 46 - PARTS LIST

OM-217655 Page 42 SECTION 11 − PARTS LIST Hardware is common andnot available unless listed. Ref. 803947-J 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 24 15 16 13 23 25 26 12 Figure 11-1. Main Assembly

Page 51 - Figure 11-5. Relinking Switch And Door Assembly

OM-217655 Page 47 Hardware is common andnot available unless listed. 217249-A 1 2 4 3 Figure 11-5. Relinking Switch And Door Assembly (Multi-Voltage Units Only) Quantity Description Part No. Dia. Mkgs. Item No. Figure 11-5. Relinking Switch And Door Assembly Model 907 251 907 244 1 +275942 Door Assy...

Page 55 - (Equipment with a serial number preface of MJ or newer); Call

Effective January 1, 2018 (Equipment with a serial number preface of MJ or newer) This limited warranty supersedes all previous Miller warranties and is exclusive with no other guarantees or warranties expressed or implied. LIMITED WARRANTY − Subject to the terms and conditions below, Miller Electri...

Page 56 - Miller Electric Mfg. LLC; Please complete and retain with your personal records.; Contact a DISTRIBUTOR or SERVICE AGENCY near you.; For Service

ORIGINAL INSTRUCTIONS − PRINTED IN USA © 2018 Miller Electric Mfg. LLC. 2018 − 01 Miller Electric Mfg. LLC An Illinois Tool Works Company 1635 West Spencer Street Appleton, WI 54914 USA International Headquarters − USA USA Phone: 920-735-4505 Auto-Attended USA & Canada FAX: 920-735-4134 Internat...