Miller Multimatic 235 Owner's Manual
  1. Manuals
  2. Brands
  3. Miller Manuals
  4. Welding System
  5. Multimatic 235
  6. Owner's manual

Miller Multimatic 235 Owner's Manual

Hide thumbs
Table of Contents

Advertisement

Quick Links

For product information,
Owner's Manual translations,
and more, visit
www.MillerWelds.com
Multimatic 235
OM-283935A
Processes
Processes
Multiprocess Welding
Description
Arc Welding Power Source
Wire Feeder
R
File: Multiprocess
2020−06

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the Multimatic 235 and is the answer not in the manual?

Questions and answers

William eacamilla
March 19, 2025

Miller multimatic 235 Welder has power running through it but the screen wont turn and i **** not able to weld

0
1 comments:
Mr. Anderson
March 19, 2025

The screen may not turn on due to a damaged control board. If the machine has power but the display does not work, contacting an authorized Miller service center is recommended.

This answer is automatically generated

0

Related Manuals for Miller Multimatic 235

Summary of Contents for Miller Multimatic 235

  • Page 1 OM-283935A 2020−06 Processes Processes Multiprocess Welding Description Arc Welding Power Source Wire Feeder Multimatic 235 For product information, File: Multiprocess Owner’s Manual translations, and more, visit www.MillerWelds.com...
  • Page 2 We know you don’t have time to do it any other way. That’s why when Niels Miller first started building arc welders in 1929, he made sure his products offered long-lasting value and superior quality.

  • Page 3: Table Of Contents

    ..........5-4. Wiring Optional 240 Volt Plug (119172) For Connection To Miller Welder/Generator With Split-Phase 240 Volt Auxiliary Power .
  • Page 4 TABLE OF CONTENTS SECTION 6 − OPERATION ..............6-1.

  • Page 5: Section 1 − Safety Precautions - Read Before Using

    SECTION 1 − SAFETY PRECAUTIONS - READ BEFORE USING som 2020−02 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 Indicates special instructions.
  • Page 6 D Do not cut or weld on tire rims or wheels. Tires can explode if heat- FUMES AND GASES can be hazardous. ed. Repaired rims and wheels can fail. See OSHA 29 CFR 1910.177 listed in Safety Standards. D Do not weld on containers that have held combustibles, or on Welding produces fumes and gases.

  • Page 7: Additional Hazards For Installation, Operation, And Maintenance

    D Never weld on a pressurized cylinder − explosion will result. CYLINDERS can explode if damaged. D Use only correct compressed gas cylinders, regulators, hoses, and fittings designed for the specific application; maintain them Compressed gas cylinders contain gas under high and associated parts in good condition.

  • Page 8: California Proposition 65 Warnings

    H.F. RADIATION can cause interference. ARC WELDING can cause interference. D High-frequency (H.F.) can interfere with radio D Electromagnetic energy can interfere with navigation, safety services, computers, and sensitive electronic equipment such as communications equipment. computers and computer-driven equipment such as robots. D Have only qualified persons familiar with electronic equipment D Be sure all equipment in the welding area is electromagnetically perform this installation.

  • Page 9: Section 2 − Consignes De Sécurité − Lire Avant Utilisation

    SECTION 2 − CONSIGNES DE SÉCURITÉ − LIRE AVANT UTILISATION som_2020−02_fre 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.
  • Page 10 D Déplacer toutes les substances inflammables à une distance de LES PIÈCES CHAUDES peuvent 10,7 m de l’arc de soudage. En cas d’impossibilité les recouvrir provoquer des brûlures. soigneusement avec des protections homologués. D Ne pas toucher à mains nues les parties chaudes. D Ne pas souder dans un endroit là...

  • Page 11: Symboles De Dangers Supplémentaires En Relation Avec L'installation, Le Fonctionnement Et La Maintenance

    D Protéger les bouteilles de gaz comprimé d’une chaleur excessive, Les CHAMPS ÉLECTROMAGNÉTIQUES (CEM) des chocs mécaniques, des dommages physiques, du laitier, des peuvent affecter les implants médicaux. flammes ouvertes, des étincelles et des arcs. D Placer les bouteilles debout en les fixant dans un support station- D Les porteurs de stimulateurs cardiaques et naire ou dans un porte-bouteilles pour les empêcher de tomber ou autres implants médicaux doivent rester à...

  • Page 12: Proposition Californienne 65 Avertissements

    D Effectuer régulièrement le contrôle et l’entretien de l’installation. LIRE LES INSTRUCTIONS. D Maintenir soigneusement fermés les portes et les panneaux des sources de haute fréquence, maintenir les éclateurs à une distan- D Lire et appliquer les instructions sur les ce correcte et utiliser une terre et un blindage pour réduire les étiquettes et le Mode d’emploi avant l’instal- interférences éventuelles.

  • Page 13: Section 3 − Definitions

    SECTION 3 − DEFINITIONS 3-1. Additional Safety Symbols And Definitions Warning! Watch Out! There are possible hazards as shown by the symbols. Safe1 2012−05 Drive rolls can injure fingers. Welding wire and drive parts are at welding voltage during operation − keep hands and metal objects away.

  • Page 14: Miscellaneous Symbols And Definitions

    3-2. Miscellaneous Symbols And Definitions Gas Tungsten Arc Amperage Remote Welding (GTAW) Torch Voltage Shielded Metal Circuit Breaker Arc Welding (SMAW) Rated No Load Voltage (OCV) Positive Shielded Metal Arc (SMAW) Direct Current Electrode Holder (DC) Negative Gas Metal Arc Alternating Welding (GMAW) Current (AC)

  • Page 15: Section 4 − Specifications

    4-3. Information About Default Weld Parameters And Settings NOTICE − Each welding application is unique. Although certain Miller Electric products are designed to determine and default to certain typical welding parameters and settings based upon specific and relatively limited application variables input by the end user, such default settings are for reference purposes only;...

  • Page 16: Environmental Specifications

    A complete Parts List is available at www.MillerWelds.com 4-7. Environmental Specifications A. IP Rating IP Rating IP23 This equipment is designed for outdoor use. IP23 2017−02 B. Temperature Specifications Operating Temperature Range* Storage/Transportation Temperature Range 14 to 104°F (−10 to 40°C) −4 to 131°F (−20 to 55°C) *Output is degraded at temperatures above 104°F (40°C).

  • Page 17: Duty Cycle And Overheating For Mig (Gmaw)

    A complete Parts List is available at www.MillerWelds.com 4-9. Duty Cycle And Overheating For MIG (GMAW) Duty Cycle is percentage of 10 minutes that unit can weld at rated load without overheating. If unit overheats, output stops. Wait 10 minutes for unit to cool. Reduce amperage or duty cycle before starting to weld again.

  • Page 18: Duty Cycle And Overheating For Stick (Smaw)

    A complete Parts List is available at www.MillerWelds.com 4-10. Duty Cycle And Overheating For Stick (SMAW) Duty Cycle is percentage of 10 minutes that unit can weld at rated load without overheating. If unit overheats, output stops. Wait 10 minutes for unit to cool. Reduce amperage or duty cycle before starting to weld again.

  • Page 19: Duty Cycle And Overheating For Tig (Gtaw)

    A complete Parts List is available at www.MillerWelds.com 4-11. Duty Cycle And Overheating For TIG (GTAW) Duty Cycle is percentage of 10 minutes that unit can weld at rated load without overheating. If unit overheats, output stops. Wait 10 minutes for unit to cool. Reduce amperage or duty cycle before starting to weld again.

  • Page 20: Section 5 − Installation

    A complete Parts List is available at www.MillerWelds.com SECTION 5 − INSTALLATION 5-1. Selecting A Location Do not move or operate unit where it could tip. Movement Do not lift unit by strap threaded through both handles. Do not lift unit with cart attached. Location And Airflow Special installation may be required where gasoline or...

  • Page 21: Electrical Service Guide

    A complete Parts List is available at www.MillerWelds.com 5-2. Electrical Service Guide Elec Serv 2019-10 Failure to follow these electrical service guide recommendations could create an electric shock or fire hazard. These recommenda- tions are for an individual branch circuit sized for the rated output and duty cycle of one welding power source. In individual branch circuit installations, the National Electrical Code (NEC) allows the receptacle or conductor rating to be less than the rating of the circuit protection device.

  • Page 22: Connecting 1-Phase Input Power For 240 Vac

    A complete Parts List is available at www.MillerWelds.com 5-3. Connecting 1-Phase Input Power For 240 VAC 240 VAC, 1 Tools Needed: input4 2012-05 − 803 766-C / Ref. 802 443-A / 275173A OM-283935 Page 18...
  • Page 23 A complete Parts List is available at www.MillerWelds.com 5-3. Connecting 1-Phase Input Power (Continued) Receptacle Connect green or green/yellow grounding Installation must meet all National and (NEMA Type 6-50R) Customer conductor to disconnect device grounding Local Codes − have only qualified per- Supplied terminal first.

  • Page 24: Wiring Optional 240 Volt Plug (119172) For Connection To Miller Welder/Generator With Split-Phase 240 Volt Auxiliary Power

    A complete Parts List is available at www.MillerWelds.com 5-4. Wiring Optional 240 Volt Plug (119172) For Connection To Miller Welder/Generator With Split-Phase 240 Volt Auxiliary Power Input And Grounding Conductors Plug Wired for 240 V, 2-Wire 3 (Not Used) Load...

  • Page 25: Generator Or Inverter Requirements

    A complete Parts List is available at www.MillerWelds.com 5-5. Generator Or Inverter Requirements For maximum output Miller recom- mends 12kW or greater generator. Generator settings, if applicable. generator Voltage/Amperage Engine Control Switch must be set at “RUN” Control to 10 (or max) for maximum position −...

  • Page 26: Selecting Cable Sizes

    A complete Parts List is available at www.MillerWelds.com 5-6. Selecting Cable Sizes* NOTICE − The Total Cable Length in Weld Circuit (see table below) is the combined length of both weld cables. For example, if the power source is 100 ft (30 m) from the workpiece, the total cable length in the weld circuit is 200 ft (2 cables x 100 ft). Use the 200 ft (60 m) column to determine cable size.

  • Page 27: Mig Welding Connections

    A complete Parts List is available at www.MillerWelds.com 5-8. MIG Welding Connections MIG/FCAW-G − DCEP FCAW-S − DCEN (Direct Current Electrode Positive) (Direct Current Electrode Negative) Ref. 280266B / Ref. 275167A / Ref. 280272C / 907728 Gun End Connect plug on end of cable to four pin Turn off unit and disconnect input receptacle inside unit.

  • Page 28: Mig Gun Connection Inside Unit

    A complete Parts List is available at www.MillerWelds.com 5-10. MIG Gun Connection Inside Unit Gun Securing Knob Gun Block Gun Outlet Wire Guide Gun End Loosen knob. Insert end of gun through opening in front panel until gun end bottoms against gun block. Tighten knob.

  • Page 29: Stick Welding Connections

    A complete Parts List is available at www.MillerWelds.com 5-11. Stick Welding Connections Turn off unit and disconnect input power before making connections. Positive Weld Output Receptacle Negative Weld Output Receptacle Stick Electrode Holder And Cable Work Clamp And Cable Connect stick electrode holder cable to the positive weld output receptacle, and connect work clamp to negative weld output...

  • Page 30: Tig Welding Connections Dcen (Direct Current Electrode Negative)

    A complete Parts List is available at www.MillerWelds.com 5-12. TIG Welding Connections DCEN (Direct Current Electrode Negative) 280265B / Ref. 275167A / Ref. 280272C / 907728 / Ref. 273873 nect TIG torch gas hose to gas hose fitting. Remote Control Cable Turn off unit and disconnect input power before making connections.

  • Page 31: Connecting Shielding Gas Supply

    A complete Parts List is available at www.MillerWelds.com 5-13. Connecting Shielding Gas Supply Obtain gas cylinder and chain to running gear, wall, other stationary support so cylinder cannot fall and break off valve. Cylinder Valve Remove cap, stand to side of valve, and open valve slightly.

  • Page 32: Installing Wire Spool And Adjusting Hub Tension

    A complete Parts List is available at www.MillerWelds.com 5-14. Installing Wire Spool And Adjusting Hub Tension Hand tighten knob clockwise. When a slight force is needed to turn spool, tension is set. To install either a 1 lb or 2 lb wire Installing 1 Or 2 lb Wire Spool spool, follow the procedure as shown in the illustration.

  • Page 33: Threading Welding Wire For Mig Gun

    A complete Parts List is available at www.MillerWelds.com 5-15. Threading Welding Wire For MIG Gun Wire Spool Welding Wire Inlet Wire Guide Pressure Adjustment Knob Drive Roll Outlet Wire Guide Gun Conduit Cable Lay gun cable out straight. Tools Needed: Hold wire tightly to keep it from unraveling.

  • Page 34: Connecting Spoolmate 100/150 Gun

    A complete Parts List is available at www.MillerWelds.com 5-16. Connecting Spoolmate 100/150 Gun Gun Trigger Plug Insert plug into receptacle, and tighten threaded collar. Gun Trigger Receptacle Gun End Drive Assembly Gun Securing Knob Loosen gun securing knob . Insert Spoolmate gun end through opening until it is tight against drive assembly.

  • Page 35: Installing Wire Spool And Threading Welding Wire For Spoolmate 100/150

    A complete Parts List is available at www.MillerWelds.com 5-18. Installing Wire Spool And Threading Welding Wire For Spoolmate 100/150 Thumb Screw Spool Cover Remove thumb screw and spool Tools Needed: cover. Spool Brake Thumbnut Wire Spool Install spool so wire feeds from top. Turn spool brake thumbnut just so a slight drag is felt on the wire spool.

  • Page 36: Threading Welding Wire For Spoolmate 200

    A complete Parts List is available at www.MillerWelds.com 5-19. Threading Welding Wire For Spoolmate 200 Cover Canister Tools Needed: Thumbscrew (Cover) Loosen thumbscrew, and rotate cover open. Wire Spool Loosen wire from spool, cut off bent wire, and pull 6 in (150 mm) of wire off spool.

  • Page 37: Section 6 − Operation

    A complete Parts List is available at www.MillerWelds.com SECTION 6 − OPERATION 6-1. Controls Ref. 271491A / 275178A Process Select Button Wire/Rod/Tungsten Buttons Press the Plus (+) or Minus (−) button to select material thickness for the selected Press up and down buttons to select de- process.

  • Page 38: Special Features

    A complete Parts List is available at www.MillerWelds.com 6-2. Special Features A. MIG Mode In MIG mode, the left knob is used to adjust welding voltage within a range of 12 to 32 volts. The right knob is used to adjust wire feed speed within a range of 60 to 600 IPM.

  • Page 39: Entering Setup Menu

    A complete Parts List is available at www.MillerWelds.com 6-3. Entering Setup Menu Ref. 281104-C Lower Left Outside (−) Button press then release the lower left outside (−) To move to the previous setup menu, press button and lower right outside (+) button. Af- the lower right inside (−) button.

  • Page 40: Internal Motor 24 Inch Calibration (Menu 1 Of 13)

    A complete Parts List is available at www.MillerWelds.com 6-4. Internal Motor 24 Inch Calibration (Menu 1 Of 13) Ref. 281104-C setup menu. and verify that a check mark appears next to The unit’s internal drive motor is calibrated 500 IPM. To perform a motor calibration 24 in.

  • Page 41: Pin Spoolgun 24 Inch Calibration (Menu 3 Of 13)

    A complete Parts List is available at www.MillerWelds.com 6-6. 4 Pin Spoolgun 24 Inch Calibration (Menu 3 Of 13) Lower Left Outside (−) Button Lower Right Outside (+) Button Lower Right Inside (−) Button Left Control Encoder Right Control Encoder Spoolmate 100 and 150 drive motors are unique to this weld- ing power source.

  • Page 42: Pin Spoolgun 24 Inch Calibration (Menu 4 Of 13)

    Motor calibration is necessary any time a different Spoolmate 200 or Spoolmatic 15A/30A is connected to the Multimatic 235.Press Auto-Set button to select Spoolmate 200 or Spoolmatic 15A/30A. Connect Spoolmate to unit. Cut wire flush at nozzle.

  • Page 43: Spoolmate Run-In Speed (Menu 5 Of 13)

    A complete Parts List is available at www.MillerWelds.com 6-8. Spoolmate Run-In Speed (Menu 5 Of 13) Lower Left Outside (−) Button Lower Right Outside (+) Button Auto-Set Button Follow instructions in Section 6-3 to enter the setup menu. To change the run−in setting, press the Auto−Set button.

  • Page 44: Primary Logs (Menu 7 Of 13)

    A complete Parts List is available at www.MillerWelds.com 6-10. Primary Logs (Menu 7 Of 13) Lower Right Inside (−) Button Lower Right Outside (+) Button Follow instructions in Section 6-3 to enter the setup menu. Primary Logs menu displays power cycles.

  • Page 45: Factory Reset (Menu 9 Of 13)

    A complete Parts List is available at www.MillerWelds.com 6-12. Factory Reset (Menu 9 Of 13) Lower Right Inside (−) Button Lower Right Outside (+) Button Auto-Set Button A Factory Reset will reset the primary logs data, process logs data, error logs data, selected process, and all process set- tings.

  • Page 46: Control Software (Menu 11 Of 13)

    A complete Parts List is available at www.MillerWelds.com 6-14. Control Software (Menu 11 Of 13) Control Software information is for factory and service use only. Follow instructions in Section 6-3 to enter the setup menu. To exit menu, simultaneously press and release the lower left outside (−) button and lower right outside (+) button, or turn unit off and on.

  • Page 47: Tig Postflow Control (Menu 13 Of 13)

    A complete Parts List is available at www.MillerWelds.com 6-16. TIG Postflow Control (Menu 13 Of 13) Lower Left Outside (-) Button Lower Right Outside (+) Button Right Control Encoder Follow instructions in Section 6-3 to enter the setup menu. To adjust TIG post flow time turn right control encoder.

  • Page 48: Section 7 − Weld Parameter Charts

    A complete Parts List is available at www.MillerWelds.com SECTION 7 − WELD PARAMETER CHARTS 7-1. Welding Parameters Ref. 283930-A OM-283935 Page 44...
  • Page 49 A complete Parts List is available at www.MillerWelds.com Ref. 283930-A OM-283935 Page 45...

  • Page 50: Section 8 − Maintenance &Troubleshooting

    A complete Parts List is available at www.MillerWelds.com SECTION 8 − MAINTENANCE &TROUBLESHOOTING 8-1. Routine Maintenance Disconnect power before maintaining. Maintain more often during severe conditions. n = Check Z = Change ~ = Clean l = Replace * To be done by Factory Authorized Service Agent Every Months l Damaged Or Unreadable...

  • Page 51: Aligning Drive Rolls And Wire Guide

    Internal temperature of welder has exceeded the Wait for unit to cool down. If the fan is not run- Please wait while the welder cools maximum limit. ning, contact authorized Miller service center. down MIG gun or spool gun trigger is engaged on pow- Trigger Error Release 4-pin trigger to clear error.
  • Page 52 The two microcontrollers on the control board are Cycle power to clear error. If this error persists Communication between micros has no longer communicating. after a power cycle, contact authorized Miller ser- been lost vice center. The wiring harness between the control board Network Error Cycle power to clear error.

  • Page 53: Troubleshooting

    The control board is damaged. Contact authorized Miller service center. A process that does not require a welding gun to Remove wire drive assembly cable from either Cable Error...

  • Page 54: Section 9 − Electrical Diagram

    SECTION 9 − ELECTRICAL DIAGRAM Figure 9-1. Circuit Diagram OM-283935 Page 50...
  • Page 55 284925-A OM-283935 Page 51...

  • Page 56: Section 10 − Gmaw Welding (Mig) Guidelines

    SECTION 10 − GMAW WELDING (MIG) GUIDELINES 10-1. Typical GMAW (MIG) Process Connections Weld current can damage electronic parts in vehicles. Disconnect both battery cables before welding on a vehicle. Place work clamp as close to the weld as possible. Regulator/ Flowmeter Wire Feeder/...
  • Page 57 10-3. Holding And Positioning Welding Gun Welding wire is energized when gun trigger is pressed. Before lowering helmet and pressing trig- ger, be sure wire is no more than 1/2 in. (13 mm) past end of nozzle, and tip of wire is positioned cor- rectly on seam.
  • Page 58 10-5. Gun Movement During Welding Normally, a single stringer bead is satisfactory for most narrow groove weld joints; however, for wide groove weld joints or bridging across gaps, a weave bead or multiple stringer beads works better. Stringer Bead − Steady Movement Along Seam Weave Bead −...
  • Page 59 10-8. Troubleshooting − Excessive Spatter Excessive Spatter − scattering of molten metal particles that cool to solid form near weld bead. S-0636 Possible Causes Corrective Actions Wire feed speed too high. Select lower wire feed speed. Voltage too high. Select lower voltage range. Electrode extension (stickout) too long.
  • Page 60 10-11. Troubleshooting − Lack Of Penetration Lack Of Penetration − shallow fusion between weld metal and base metal. Lack of Penetration Good Penetration S-0638 Possible Causes Corrective Actions Improper joint preparation. Material too thick. Joint preparation and design must provide access to bottom of groove while maintaining proper welding wire extension and arc characteristics.
  • Page 61 10-14. Troubleshooting − Waviness Of Bead Waviness Of Bead − weld metal that is not parallel and does not cover joint formed by base metal. S-0641 Possible Causes Corrective Actions Welding wire extends too far out of nozzle. Be sure welding wire extends not more than 1/2 in. (13 mm) beyond nozzle. Unsteady hand.
  • Page 62 10-16. Common GMAW (MIG) Shielding Gases This is a general chart for common gases and where they are used. Many different combinations (mixtures) of shielding gases have been developed over the years. The most commonly used shielding gases are listed in the following table. Application Short Short...
  • Page 63 10-17. Troubleshooting Guide For Semiautomatic Welding Equipment Problem Probable Cause Remedy Too little pressure on wire feed rolls. Increase pressure setting on wire feed rolls. Wire feed motor operates, but wire does not feed. Incorrect wire feed rolls. Check size stamped on wire feed rolls, replace to match wire size and type if necessary.

  • Page 64: Section 11 − Stick Welding (Smaw) Guidelines

    SECTION 11 − STICK WELDING (SMAW) GUIDELINES 11-1. Stick Welding Procedure Weld current starts when electrode touches work- piece. Weld current can damage electronic parts in vehicles. Disconnect both battery Equipment Needed: Tools Needed: cables before welding on a vehicle. Place work clamp as close to the weld as possible.
  • Page 65 11-2. Electrode And Amperage Selection Chart 6010 DEEP 3/32 MIN. PREP, ROUGH HIGH SPATTER 6011 DEEP 6010 5/32 & 6013 EP,EN GENERAL 3/16 6011 7/32 SMOOTH, EASY, 7014 EP,EN FAST 1/16 LOW HYDROGEN, 7018 5/64 STRONG 3/32 FLAT SMOOTH, EASY, 7024 EP,EN 6013...
  • Page 66 11-4. Positioning Electrode Holder End View Of Work Angle Side View Of Electrode Angle After learning to start and hold an arc, practice running beads of weld metal on flat plates using a full electrode. ° ° Hold the electrode nearly per- pendicular to the work, although tilting it ahead (in the direction of °...
  • Page 67 11-7. Conditions That Affect Weld Bead Shape Weld bead shape is affected by electrode angle, arc length, travel speed, and thickness of base metal. Correct Angle Angle Too Large ° - ° Angle Too Small Electrode Angle Drag Spatter Arc Length Normal Too Long Too Short...
  • Page 68 11-10. Welding Groove (Butt) Joints Tack Welds Prevent butt joint distortion by tack welding the materials in position before final weld. Workpiece distortion occurs when heat is applied locally to a joint. One side of a metal plate will curl up toward the weld.
  • Page 69 11-12. Weld Test Vise Weld Joint Hammer Strike the weld joint in the direction shown. A good weld bends over but does not break. If the weld breaks, examine it to determine the cause. If the weld is porous (many holes), the arc length was probably too long.
  • Page 70 Lack Of Penetration − shallow fusion between weld metal and base metal. Lack of Penetration Good Penetration Possible Causes Corrective Actions Improper joint preparation. Material too thick. Joint preparation and design must provide access to bottom of groove. Improper weld technique. Keep arc on leading edge of weld puddle.

  • Page 71: Section 12 − Selecting And Preparing A Tungsten For Dc Or Ac Welding With Inverter Machines

    SECTION 12 − SELECTING AND PREPARING A TUNGSTEN FOR DC OR AC WELDING WITH INVERTER MACHINES gtaw_Inverter_2018-01 Whenever possible and practical, use DC weld output instead of AC weld output. 12-1. Selecting Tungsten Electrode ( Wear Clean Gloves To Prevent Contamination Of Tungsten A.

  • Page 72: Preparing Tungsten Electrode For Dc Electrode Negative (Dcen) Welding

    12-2. Preparing Tungsten Electrode For DC Electrode Negative (DCEN) Welding Or AC Welding With Inverter Machines Grinding the tungsten electrode produces dust and flying sparks which can cause injury and start fires. Use local exhaust (forced ventilation) at the grinder or wear an approved respirator. Read MSDS for safety information.

  • Page 73: Section 13 − Parts List

    SECTION 13 − PARTS LIST 13-1. Drive Roll And Wire Guide Kits Base selection of drive rolls upon the following recommended usages: V-Grooved rolls for hard wire. U-Grooved rolls for soft and soft shelled cored wires. U-Cogged rolls for extremely soft shelled wires (usually hard surfacing types). V-Knurled rolls for hard shelled cored wires.
  • Page 74 Notes...
  • Page 75 Effective January 1, 2020 (Equipment with a serial number preface of NA 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 Supplied Air Respirator (SAR) Boxes and Panels below, Miller Electric Mfg.
  • Page 76 Contact the Delivering Carrier to: File a claim for loss or damage during shipment. For assistance in filing or settling claims, contact your distributor and/or equipment manufacturer’s Transportation Department. © ORIGINAL INSTRUCTIONS − PRINTED IN USA 2020 Miller Electric Mfg. LLC 2020−01...

Table of Contents

Save PDF