Replacing Gun Contact Tip | Miller Electric Renegade 180 specification

. Complete Parts List available at www. MillerWelds.com

8-5. Changing Drive Roll Or Wire Inlet Guide

1

2

3

.030/.035 Groove

.024 Groove

1 Inlet Wire Guide

Remove guide by pressing on barbed area or cutting off one end near housing and pulling it out of hole. Push new guide into hole from rear until it snaps in place.

2 Drive Roll

The drive roll consists of two differ- ent sized grooves. The stamped markings on the end surface of the drive roll refer to the groove on the opposite side of the drive roll. The groove closest to the motor shaft is the proper groove to thread (see Section 5-12).

3 Retaining Pin

To secure drive roll, locate open slot and push drive roll completely over retaining pin, then rotate drive roll 1/4 turn to closed slot.

Stamped .024

Stamped .030/.035

802 984

8-6. Replacing Gun Contact Tip

Turn Off power before replacing contact tip.

1 Nozzle

2 Contact Tip

Cut off welding wire at contact tip. Remove nozzle.

Remove contact tip and install new contact tip. Reinstall nozzle.

2

1

Tools Needed:

Ref. 802 399-A

OM-228 042 Page 33

Image 37

Miller Electric Renegade 180 manual Changing Drive Roll Or Wire Inlet Guide, Replacing Gun Contact Tip

Contents

Processes OM-228 042BDescription File Engine Drive From Miller to You Table of Contents 10-1 − Maintenance Arc Welding Hazards Symbol UsageElectric Shock can kill HOT Parts can cause severe burns Buildup of GAS can injure or kill Fumes and Gases can be hazardousARC Rays can burn eyes and skin Welding can cause fire or explosion Compressed Air Hazards Engine Hazards HOT Parts can cause burns and injury Welding Wire can cause injuryFire or Explosion hazard Falling Unit can cause injury California Proposition 65 Warnings Principal Safety StandardsEMF Information Radiation can cause interference − Consignes DE Sécurité − Lire Avant Utilisation Signification des symbolesUN Choc Électrique peut tuer Indique des instructions spécifiques LES Fumées ET LES GAZ peuvent être dangereux DES Pièces Chaudes peuvent provoquer des brûlures gravesLE Soudage peut provoquer un in cendie ou une explosion ’EXPLOSION DE LA Batterie peu LE Bruit peut affecter l’ouïeDES Organes Mobiles peuvent pro voquer des blessures ’AIR Comprimé peut provoquer des blessures LA Chaleur DU Moteur peut pro- voquer un incendieRisque D’INCENDIE OU D’EXPLO- Sion DES Organes Mobiles peuvent provoquer des blessures LE Surchauffement peut endom- mager le moteur électriqueLES Fils DE Soudage peuvent provoquer des blessures ’EMPLOI Excessif peut Principales normes de sécurité Proposition californienne 65 AvertissementsInformation EMF Symbol Definitions − SpecificationsWeld, Power, And Engine Specifications − Definitions Dimensions, Weights, And Operating Angles Gun SpecificationsOptional Lifting Eye Weight Rating Volt-Ampere Curves Fuel Consumption Power Source Duty Cycle Gun Duty Cycle And Overheating Generator Power CurveVolts AC Amperes Installing Welding Generator − InstallationMovement Airflow Clearance Use ground device as stated in electrical codes Grounding Generator When Supplying Building Systems Engine Prestart Checks Connecting The Battery Electric Start Models Only+ − Oil Work Cable Routing Inside Unit Installing Welding Gun Changing Weld Polarity Weld Process/Polarity Table Shown with optional cylinder rack Connecting Single−Phase, 230 Volt AC Utility Input PowerThis unit can provide weld out Installing Wire Spool And Adjusting Hub Tension Electrical Service GuideWhen a slight force is needed to turn spool, tension is set Adapter Weld Position Threading The Welding Gun Stamped Stamped .030/.035 Tighten Pressure Indicator ScaleTools Needed 150 mm 030/.035 Groove Wood Controls See Section − Operating the Welding Generator To Start Description Of Controls See SectionTo Stop Weld Parameter Chart 20 ga 18 ga 16 ga 14 ga Stainless Steel And 100% CO2 Weld Parameters Generator power decreases as weld current increases Generator Power Panel Receptacles− Operating Auxiliary Equipment Power Source Routine Maintenance − Maintenance Welding Power Source Overload Protection Gun Routine MaintenanceDrive Motor Protection Tip Saver/Short Circuit Protection Turn Off power before replacing contact tip Changing Drive Roll Or Wire Inlet GuideReplacing Gun Contact Tip Maintaining Gun Turn off welding power source/wire feeder Tools Needed 19 mm Replacing Switch And/Or Head Tube Precleaner Paper Element Servicing Air CleanerDo not wash paper element or clean with compressed air Standard Model Shown Stop engine Stop engine. Close fuel valve Adjusting Engine Speed Troubleshooting − TroubleshootingGenerator Power Welding Engine Wire FeederDoes not run Recommended Spare Parts − Parts ListRecommended Spare Parts OM-217 454 − Electrical Diagrams − MIG Welding Gmaw Guidelines Regulator Flowmeter Wire Feeder Power Source Shielding GasTypical MIG Process Connections Gun Work Clamp Workpiece These settings are guidelines only. Material Typical MIG Process Control SettingsWire Suggested Wire Speed Material thickness determines weld parameters Holding And Positioning Welding Gun Nozzle, and tip of wire is posiTioned correctly on seam Groove Welds Gun Angles And Weld Bead Profiles Conditions That Affect Weld Bead ShapeElectrode Extensions Stickout Fillet Weld Electrode Extension Stickout Good Weld Bead Characteristics Poor Weld Bead CharacteristicsGun Movement During Welding Troubleshooting − Porosity Troubleshooting − Excessive SpatterPossible Causes Corrective Actions 12-11 Troubleshooting − Lack Of Penetration Troubleshooting − Excessive PenetrationTroubleshooting − Incomplete Fusion Troubleshooting − Waviness Of Bead 12-13 Troubleshooting − Burn-ThroughTroubleshooting − Distortion Application Common MIG Shielding GasesFlat & Horizontal1 Fillet Selecting Equipment − Generator Power GuidelinesGrounding Generator To Truck Or Trailer Frame How Much Power Does Equipment Require? Grounding When Supplying Building Systems Approximate Power Requirements For Farm/Home Equipment Approximate Power Requirements For Industrial MotorsIndustrial Motors Rating Starting Watts Running Watts Farm/Home Equipment Rating Starting Watts Running Watts Contractor Rating Starting Watts Running Watts Approximate Power Requirements For Contractor Equipment How Much Power Can Generator Supply? Power Required To Start MotorSingle-Phase Induction Motor Starting Requirements KVA/HP x HP x 1000 / Volts = Starting Amperage Typical Connections To Supply Standby Power Cord Lengths for 120 Volt Loads Selecting Extension Cord Use Shortest Cord PossibleCurrent Load Watts Amperes Cord Lengths for 240 Volt Loads SOCKET/WRENCH Selection Table Standard Metric Your distributor also gives ServiceSupport Miller Electric Mfg. Co To locate a Distributor or Service Agency visitFor assistance in filing or settling claims, contact Your distributor and/or equipment manufacturer’s