Miller DU-OP Owner's Manual
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Miller DU-OP Owner's Manual

Dual-operator engine driven welding generator
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Miller DU-OP
OM-225 590H
2011−04
Processes
Stick (SMAW) Welding
MIG (GMAW) Welding
Flux Cored (FCAW) Welding
TIG (GTAW) Welding
Air Carbon Arc (CAC-A)
Cutting and Gouging
Description
Dual-Operator Engine Driven Welding
Generator
®
File: Engine Drive

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Summary of Contents for Miller DU-OP

  • Page 1 OM-225 590H 2011−04 Processes Stick (SMAW) Welding MIG (GMAW) Welding Flux Cored (FCAW) Welding TIG (GTAW) Welding Air Carbon Arc (CAC-A) Cutting and Gouging Description Dual-Operator Engine Driven Welding Generator Miller DU-OP ® File: Engine Drive Visit our website at 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

    TABLE OF CONTENTS SECTION 1 − SAFETY PRECAUTIONS − READ BEFORE USING ........1-1.
  • Page 4 TABLE OF CONTENTS SECTION 6 − OPERATING THE WELDING GENERATOR ......... 6-1.

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

    SECTION 1 − SAFETY PRECAUTIONS − READ BEFORE USING rom_2010−03 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. not avoided, will result in death or serious injury.
  • Page 6 D Do not weld on closed containers such as tanks, drums, or pipes, FUMES AND GASES can be hazardous. unless they are properly prepared according to AWS F4.1 (see Safety Standards). Welding produces fumes and gases. Breathing these D Do not weld where the atmosphere may contain flammable dust, fumes and gases can be hazardous to your health.

  • Page 7: Engine Hazards

    1-3. Engine Hazards EXHAUST SPARKS can cause fire. BATTERY EXPLOSION can injure. D Do not let engine exhaust sparks cause fire. D Always wear a face shield, rubber gloves, and protective clothing when working on a battery. D Use approved engine exhaust spark arrestor in required areas —...

  • Page 8: Hydraulic Hazards

    1-4. Hydraulic Hazards D HYDRAULIC FLUID is FLAMMABLE−−do not work on hydraulics HYDRAULIC EQUIPMENT can injure near sparks or flames; do not smoke near hydraulic fluid. or kill. D Reinstall doors, panels, covers, or guards when servicing is D Incorrect installation or operation of this unit finished and before starting unit.

  • Page 9: Additional Symbols For Installation, Operation, And Maintenance

    HOT METAL from air arc cutting and MOVING PARTS can injure. gouging can cause fire or explosion. D Keep away from moving parts such as fans, D Do not cut or gouge near flammables. belts and rotors. D Watch for fire; keep extinguisher nearby. D Keep all doors, panels, covers, and guards closed and securely in place.

  • Page 10: California Proposition 65 Warnings

    WELDING WIRE can injure. H.F. RADIATION can cause interference. D Do not press gun trigger until instructed to do D High-frequency (H.F.) can interfere with radio navigation, safety services, computers, and communications equipment. D Do not point gun toward any part of the body, other people, or any metal when threading D Have only qualified persons familiar with welding wire.

  • Page 11: Principal Safety Standards

    1-8. Principal Safety Standards Safety in Welding, Cutting, and Allied Processes, ANSI Standard Z49.1, 25 West 43rd Street, New York, NY 10036 (phone: 212-642-4900, web- from Global Engineering Documents (phone: 1-877-413-5184, website: site: www.ansi.org). www.global.ihs.com). Standard for Fire Prevention During Welding, Cutting, and Other Hot Safe Practices for the Preparation of Containers and Piping for Welding Work, NFPA Standard 51B, from National Fire Protection Association, and Cutting, American Welding Society Standard AWS F4.1, from Glob-...

  • Page 12: Section 2 − Consignes De Sécurité − Lire Avant Utilisation

    SECTION 2 CONSIGNES DE SÉCURITÉ − LIRE AVANT − UTILISATION fre_rom_2010−03 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 13 D Porter un casque de soudage approuvé muni de verres filtrants LES PIÈCES CHAUDES peuvent approprié pour protéger visage et yeux pour protéger votre visage provoquer des brûlures. et vos yeux pendant le soudage ou pour regarder (voir ANSI Z49.1 et Z87.1 énuméré...

  • Page 14: Dangers Existant En Relation Avec Le Moteur

    D Placer les bouteilles debout en les fixant dans un support station- Les CHAMPS ÉLECTROMAGNÉTIQUES (CEM) naire ou dans un porte-bouteilles pour les empêcher de tomber ou peuvent affecter les implants médicaux. de se renverser. D Tenir les bouteilles éloignées des circuits de soudage ou autres D Les porteurs de stimulateurs cardiaques et circuits électriques.

  • Page 15: Dangers Liés À L'hydraulique

    D Mettre des lunettes de sécurité et des gants, placer un torchon sur LES ÉTINCELLES À L’ÉCHAPPEMENT le bouchon du radiateur. peuvent provoquer un incendie. D Dévisser le bouchon légèrement et laisser la vapeur s’échapper avant d’enlever le bouchon. D Empêcher les étincelles d’échappement du moteur de provoquer un incendie.

  • Page 16: Dangers Liés À L'air Comprimé

    un médecin familiarisé avec ce type de blessure, faute de quoi LES PIÈCES ET LIQUIDES CHAUDS la gangrène pourrait apparaître. peuvent provoquer des brûlures. Les PIÈCES MOBILES peuvent causer D Ne pas toucher les pièces chaudes à main nue des blessures. ni laisser des liquides chauds entrer en contact avec la peau.

  • Page 17: Dangers Supplémentaires En Relation Avec L'installation, Le Fonctionnement Et La Maintenance

    D Remettre en place les portes, panneaux, recouvrements ou PRESSION D’AIR RÉSIDUELLE dispositifs de protection à la fin des travaux d’entretien et avant ET DES FLEXIBLES QUI FOUETTENT de mettre le moteur en marche. risquent de provoquer des blessures. D Détendre la pression pneumatique des outils et PIÈCES CHAUDES peuvent...

  • Page 18: Proposition Californienne 65 Avertissements

    D Demander seulement à des personnes qualifiées familiarisées LES CHARGES ÉLECTROSTATI- avec des équipements électroniques de faire fonctionner l’installa- QUES peuvent endommager les tion. circuits imprimés. D L’utilisateur est tenu de faire corriger rapidement par un électricien qualifié les interférences résultant de l’installation. D Établir la connexion avec la barrette de terre avant de manipuler des cartes ou des pièces.

  • Page 19: Principales Normes De Sécurité

    2-8. Principales normes de sécurité Safety in Welding, Cutting, and Allied Processes, ANSI Standard Z49.1, 25 West 43rd Street, New York, NY 10036 (phone: 212-642-4900, web- from Global Engineering Documents (phone: 1-877-413-5184, website: site: www.ansi.org). www.global.ihs.com). Standard for Fire Prevention During Welding, Cutting, and Other Hot Safe Practices for the Preparation of Containers and Piping for Welding Work, NFPA Standard 51B, from National Fire Protection Association, and Cutting, American Welding Society Standard AWS F4.1, from Glob-...

  • Page 20: Section 3 − Definitions

    SECTION 3 − DEFINITIONS 3-1. Symbols And Definitions Stop Engine Start Engine Ether Starting Aid Engine Do Not Switch While Welding Battery (Engine) Circuit Protector Engine Oil Or Under Load Check Injectors/ Check Valve Protective Earth Fuel Pump Clearance (Ground) Certified/Trained Positive Negative...

  • Page 21: Section 4 − Specifications

    SECTION 4 − SPECIFICATIONS 4-1. Description This unit has two CC/CV modules with separate weld controls for applications where two welding arcs are needed. A Welder Selector switch controls whether one or both sets of weld output terminals are active (see Section 6-2). When the unit is operated in the dual operator mode, each welder has CC and CV weld output available for Stick, TIG, and MIG welding.

  • Page 22: Fuel Consumption

    4-4. Fuel Consumption The curve shows typical fuel use un- der the combined weld loads of both sides (Welder A and Welder B). 7.57 1.70 2.00 6.62 1.46 1.75 5.67 1.25 1.50 4.73 1.04 1.25 3.78 0.83 1.00 2.84 0.62 0.75 1.98 0.40...

  • Page 23: Duty Cycle And Overheating

    4-6. Duty Cycle And Overheating Duty Cycle is percentage of 10 min- utes that unit can weld at rated load without overheating. NOTICE − Exceeding duty cycle Dual Operator Mode − 40% Duty Cycle At 275 Amperes From Each Side can damage unit and void warranty.

  • Page 24: Volt-Ampere Curves

    4-7. Volt-Ampere Curves A. CC/DC − Single Mode The volt-ampere curve shows the minimum, medium, and maximum voltage and amperage output capa- bilities of the welding generator. Curves of all other settings fall be- tween the curves shown. 100 200 300 400 500 600 700 800 900 1000 DC AMPERES B.

  • Page 25: Section 5 − Installation

    SECTION 5 − INSTALLATION When facing the front panel, the Welder B controls and weld terminals are on the right and the Welder A controls and weld terminals are on the left. 5-1. Serial Number And Rating Label Location The serial number and rating information for this product is located on the front. Use rating label to determine input power requirements and/or rated output.

  • Page 26: Grounding Generator To Truck Or Trailer Frame

    5-3. Grounding Generator To Truck Or Trailer Frame Always ground generator frame to vehicle frame to pre- vent electric shock and static electricity hazards. Also see AWS Safety & Health Fact Sheet No. 29, Grounding of Portable And Vehicle Mounted Welding Generators.

  • Page 27: Activating The Dry Charge Battery (If Applicable)

    5-4. Activating The Dry Charge Battery (If Applicable) Always wear a face shield, rubber gloves and protective clothing when working on a battery. Remove battery from unit. Vent Caps Sulfuric Acid Electrolyte (1.265 Specific Gravity) Well Fill each cell with electrolyte to bottom of well (maximum).

  • Page 28: Installing Exhaust Pipe

    5-6. Installing Exhaust Pipe Stop engine and let cool. Do not blow exhaust toward air cleaner or air intake. Top View Tools Needed: 1/2 in exh_pipe2 4/96 − 154 089-A / 154 611 / 190 377 5-7. Engine Prestart Checks Check all fluids daily.

  • Page 29: Safety Information For Connecting To Weld Output Terminals

    5-8. Safety Information For Connecting To Weld Output Terminals UNEXPECTED WELD OUTPUT can cause injury or fire. D Both weld outputs can be live (ON) when Welder Selector switch is in Welder A/Welder B position and engine is running. D Disconnect or insulate any unused cables. D Know where cables are located BEFORE starting engine.

  • Page 30: Weld Output Terminals

    5-9. Weld Output Terminals Welder A (Left) Side Welder B (Right) Side Tools Needed: 3/4 in. Ref. 225 543 / 802 292-A / 803 788-B Weld Output Terminal CC Weld Output Terminal Stop engine. Supplied Weld Output Terminal Nut See Sections 5-10 thru 5-15 for dual opera- Failure to properly connect weld Weld Cable Terminal tor output connections for CC and CV weld-...

  • Page 31: Making Dual Operator Cc Weld Connections W/ Separate Work Cables

    5-10. Making Dual Operator CC Weld Connections w/ Separate Work Cables Tools Needed: 3/4 in Direct Current Electrode Positive (DCEP) connections are shown. Welder A (Left) Side Welder B (Right) Side Note position of Process Selector switches. Ref. 225 543 / 802 292-A Route cables through strain reliefs.

  • Page 32: Making Dual Operator Mode Cc Weld Connections W/ Common Work Cable

    5-11. Making Dual Operator Mode CC Weld Connections w/ Common Work Cable Tools Needed: 3/4 in INADEQUATE CABLE CONNECTIONS can cause serious damage to welding generator and create a hazardous condition. D When making weld connections with a common work cable, connect a weld cable of adequate size between the Negative (−) weld terminals, and connect a single weld cable of adequate size from the Welder B (right) Negative (−) terminal to the workpiece.

  • Page 33: Making Dual Operator Cv Weld Connections W/ Separate Work Cables

    5-12. Making Dual Operator CV Weld Connections w/ Separate Work Cables Tools Needed: 3/4 in Direct Current Electrode Positive (DCEP) connections are shown. Welder B (Right) Side Welder A (Left) Side Note position of Process Selector switches. Note position Note position of optional Po- of optional Polarity...

  • Page 34: Making Dual Operator Cv Weld Connections W/ Common Work Cable

    5-13. Making Dual Operator CV Weld Connections w/ Common Work Cable Tools Needed: 3/4 in INADEQUATE CABLE CONNECTIONS can cause serious damage to welding generator and create a hazardous condition. D When making weld connections with a common work cable, connect a weld cable of adequate size between the Negative (−) weld terminals, and connect a single weld cable of adequate size from the Welder B (right) Negative (−) terminal to the work- piece.

  • Page 35: Making Dual Operator Cc And Cv Weld Connections W/ Separate Work Cables

    5-14. Making Dual Operator CC And CV Weld Connections w/ Separate Work Cables Tools Needed: 3/4 in Direct Current Electrode Positive (DCEP) connections are shown. Welder B (Right) Side Welder A (Left) Side Note position of Process Selector switches. Note position of optional Polarity switch.

  • Page 36: Making Dual Operator Cc And Cv Weld Connections W/ Common Work Cable

    5-15. Making Dual Operator CC And CV Weld Connections w/ Common Work Cable Tools Needed: 3/4 in INADEQUATE CABLE CONNECTIONS can cause serious damage to welding generator and create a hazardous condition. D When making weld connections with a common work cable, connect a weld cable of adequate size between the Negative (−) weld terminals, and connect a single weld cable of adequate size from the Welder B (right) Negative (−) terminal to the work- piece.

  • Page 37: Making Single Operator Cc Weld Connections

    5-16. Making Single Operator CC Weld Connections Direct Current Electrode Positive (DCEP) connections are shown. Welder B(Right) Side Welder A (left) Terminals Inactive In Single Operator Mode Note position of Process Selector switch. Tools Needed: 3/4 in Ref. 225 543 / 802 292-A Single Operator mode.

  • Page 38: Selecting Weld Cable Sizes

    **Weld cable size (AWG) is based on either a 4 volts or less drop or a current density of at least 300 circular mils per ampere. ( ) = mm for metric use ***For distances longer than those shown in this guide, call a factory applications rep. at 920-735-4505 (Miller) or 1-800-332-3281 (Hobart) Ref. S-0007-G 2009−08 OM-225 590 Page 34...

  • Page 39: Installing Ether Cylinder (Optional Ether Starting Aid)

    5-18. Installing Ether Cylinder (Optional Ether Starting Aid) Stop engine. Improper handling or expo- sure to ether can harm your health. Follow manufactur- er’s safety instructions on cylinder. Do not use Ether Starting Aid while engine is running. Open right side door. Ether Cylinder Nozzle Remove cover and clean cylinder...

  • Page 40: Remote 14 Receptacle Connections

    5-20. Remote 14 Receptacle Connections Dual Operator Operation C L N C L N Single Operator Operation C L N 60 0 AM 804 289-A / Ref 225 543 OM-225 590 Page 36...

  • Page 41: Section 6 − Operating The Welding Generator

    SECTION 6 − OPERATING THE WELDING GENERATOR When facing the front panel, the Welder B controls and weld terminals are on the right and the Welder A side controls and weld terminals are on the left. 6-1. Engine Controls 225 543 / 804 289-A To Start: Press button and use Ether switch To Stop: Push switch down and hold.

  • Page 42: Weld Controls (See Section 6-3)

    6-2. Weld Controls (See Section 6-3) 300 AMPS 300 AMPS WELDER A Welder B 600 AMPS Welder B 60 0 AM Ref. 225 543 / 191 848 / 804 289-A OM-225 590 Page 38...

  • Page 43: Weld Control Descriptions (See Section 6-2)

    6-3. Weld Control Descriptions (See Section 6-2) Welder Selector Switch Arc Force (Dig) Control Weld Meters Use switch to select Dual Operator or Single Use control to automatically increase amper- With Process Selector switch in the Stick/Tig Operator welding mode. age as arc length is decreased to assist in arc position, meters read 0 (zero) with contactor Place switch in Welder A/Welder B (dual oper-...

  • Page 44: Section 7 − Operating Auxiliary Equipment

    SECTION 7 − OPERATING AUXILIARY EQUIPMENT 7-1. 120 Volt And 240 Volt Duplex Receptacles 190 376 faulty equipment and the GFCI Reset but- not work. 120 volts may still be present at Be sure equipment connected to the ton pops out. Check for damaged tools, RC2.

  • Page 45: Section 8 − Maintenance & Troubleshooting

    SECTION 8 − MAINTENANCE & TROUBLESHOOTING 8-1. Routine Maintenance Stop engine before maintaining. See Engine Manual and Maintenance Label Recycle engine for important start-up, service, and storage fluids. information. Service engine more often if used in severe conditions. n = Check Z = Change ~ = Clean l = Replace...

  • Page 46: Maintenance Label

    8-2. Maintenance Label OM-225 590 Page 42...

  • Page 47: Servicing Air Cleaner

    8-3. Servicing Air Cleaner Stop engine. NOTICE − Do not run engine without air cleaner or with dirty element. Engine damage caused by using a damaged ele- ment is not covered by the warranty. The air cleaner primary element can be cleaned but the dirt holding capac- ity of the filter is reduced with each cleaning.

  • Page 48: Servicing Fuel And Lubrication Systems

    8-4. Servicing Fuel And Lubrication Systems Stop engine and let cool. Oil Filter Oil Drain Valve And Hose Oil Fill Cap Primary Fuel Filter (Fuel/ Water Separator) Petcock Secondary Fuel Filter Fuel Shutoff Valve Lever Sludge Drain Plug Under Left Side To change oil and filter: Of Fuel Tank Behind Control Panel...

  • Page 49: Adjusting Engine Speed

    8-5. Adjusting Engine Speed Engine speed is factory set and should not require adjustment. Af- ter tuning engine, check engine Engine Speed RPM (HZ) speed with tachometer. See table (No Load) for proper no load speed. If neces- sary, adjust speed as follows: 1850 (61.6) Weld/Power Adjustment Rod...

  • Page 50: Priming Fuel System

    8-7. Priming Fuel System Stop engine. Open right hand side door. Primer Pump After running out of fuel or changing fuel filters, use pump to prime fuel system. Push primer pump approximately 12 times to pump fuel into the injec- tor system.

  • Page 51: Inspecting And Cleaning Optional Spark Arrestor Muffler

    8-8. Inspecting And Cleaning Optional Spark Arrestor Muffler Stop engine and let cool. Spark Arrestor Muffler Cleanout Plug Remove plug and remove any dirt covering cleanout hole. Exhaust Pipe Start engine and run several min- utes to blow out cleanout hole. If nothing blows out of hole, briefly cover end of exhaust pipe with fire- proof material.

  • Page 52: Circuit Protection

    8-10. Circuit Protection Tools Needed: Ref. 802 300 / Ref. 802 292-A Fuse F4 protects Welder B (right) control opens, weld and generator power output Stop engine. board PC1. If F4 opens, Welder B (right) may continue if generator maintains excita- weld output stops.

  • Page 53: Troubleshooting

    8-11. Troubleshooting A. Welding Trouble Remedy No weld output on either side; generator Place Output (Contactor) switches in On (Hot) position, or place switches in Remote position and connect power output okay at AC receptacles. remote contactors to remote receptacles RC8 and RC9 (see Section 6-3). Unit overheated (High Temp.
  • Page 54 Trouble Remedy Low weld output on both sides. Check engine speed, and adjust if necessary (see Section 8-5). Check position of Process Selector switch(s) (see Section 6-3). Increase Amperage/Voltage controls settings. Have Factory Authorized Service Agent check field current regulator board PC4. High weld output on both sides.
  • Page 55 B. Generator Power Trouble Remedy No output at generator power AC re- Reset receptacle supplementary protectors (see Section 7-1). ceptacles. Press GFCI reset button on 120 volt GFCI receptacles (see Section 7-1). Check fuse F1, and replace if open (see Section 8-10). Check receptacle(s) for continuity and proper connections.

  • Page 56: Section 9 − Electrical Diagrams

    SECTION 9 − ELECTRICAL DIAGRAMS Figure 9-1. Circuit Diagram For Welding Generator OM-225 590 Page 52...
  • Page 57 225 565-C OM-225 590 Page 53...

  • Page 58: Section 10 − Run-In Procedure

    SECTION 10 − RUN-IN PROCEDURE run_in3 2007−05 10-1. Wetstacking perform run-in procedure at less than 20 volts weld output and do not exceed duty cycle or equip- ment damage may occur. Welding Generator Run diesel engines near rated volt- age and current during run-in period to properly seat piston rings and prevent wetstacking.

  • Page 59: Run-In Procedure Using Load Bank

    10-2. Run-In Procedure Using Load Bank Stop engine. Do not touch hot exhaust pipe, engine parts, or load bank/grid. Keep exhaust and pipe away from flammables. perform run-in procedure at less than 20 volts weld output and do not exceed duty cycle or equip- ment damage may occur.

  • Page 60: Run-In Procedure Using Resistance Grid

    10-3. Run-In Procedure Using Resistance Grid Stop engine. Do not touch hot exhaust pipe, engine parts, or load bank/grid. Keep exhaust and pipe away from flammables. perform run-in procedure at less than 20 volts weld output and do not exceed duty cycle or equip- ment damage may occur.

  • Page 61: Section 11 − Generator Power Guidelines

    SECTION 11 − GENERATOR POWER GUIDELINES The views in this section are intended to be representative of all engine-driven welding generators. Your unit may differ from those shown. 11-1. Selecting Equipment Generator Power Receptacles − Neutral Bonded To Frame 3-Prong Plug From Case Grounded Equipment 2-Prong Plug From Double Insulated Equipment...
  • Page 62 11-3. Grounding When Supplying Building Systems Equipment Grounding Terminal Grounding Cable GND/PE Use #8 AWG or larger insulated copper wire. Ground Device Use ground device as stated in electrical codes. Ground generator to system earth ground if supplying power to a premises (home, shop, farm) wiring system.
  • Page 63 11-5. Approximate Power Requirements For Industrial Motors Industrial Motors Rating Starting Watts Running Watts Split Phase 1/8 HP 1/6 HP 1225 1/4 HP 1600 1/3 HP 2100 1/2 HP 3175 Capacitor Start-Induction Run 1/3 HP 2020 1/2 HP 3075 3/4 HP 4500 1400 1 HP...
  • Page 64 11-7. Approximate Power Requirements For Contractor Equipment Contractor Rating Starting Watts Running Watts Hand Drill 1/4 in 3/8 in 1/2 in Circular Saw 6-1/2 in 7-1/4 in 8-1/4 in 1400 1400 Table Saw 9 in 4500 1500 10 in 6300 1800 Band Saw 14 in...
  • Page 65 11-8. Power Required To Start Motor Single-Phase Induction Motor Starting Requirements Motor Start Code KVA/HP 10.0 11.2 12.5 14.0 Motor Start Code Running Amperage Motor HP Motor Voltage AC MOTOR To find starting amperage: VOLTS AMPS Step 1: Find code and use table to CODE find kVA/HP.
  • Page 66 11-10. Typical Connections To Supply Standby Power Have only qualified persons perform these connections according to all applicable codes and safety practices. Fused Properly install and ground Welding Utility Disconnect this equipment according to Electrical Generator Transfer Switch Switch its Owner’s Manual and na- Output Service (If Required)
  • Page 67 11-11. Selecting Extension Cord (Use Shortest Cord Possible) Cord Lengths for 120 Volt Loads If unit does not have GFCI receptacles, use GFCI-protected extension cord. Maximum Allowable Cord Length in ft (m) for Conductor Size (AWG)* Current Load (Watts) (Amperes) 350 (106) 225 (68) 137 (42)

  • Page 68: Section 12 − Parts List

    SECTION 12 − PARTS LIST Hardware is common and not available unless listed. 30−See Fig. 12-4 94−See Fig. 12-2 89 88 Figure 12−1. Main Assembly OM-225 590 Page 64...
  • Page 69 45−See Fig. 12-3 76−See Fig. 12-5 804 287-A OM-225 590 Page 65...
  • Page 70 Item Dia. Part Mkgs. Description Quantity Figure 12−1. Main Assembly ... . . 605 288 FITTING, pipe galv plug sqhd .250NPT .......
  • Page 71 Item Dia. Part Mkgs. Description Quantity Figure 12−1. Main Assembly (Continued) ... . 087 341 BUMPER, door 1.000 OD x .750 high ....... .
  • Page 72 Item Dia. Part Mkgs. Description Quantity Figure 12−1. Main Assembly (Continued) ... . 233 088 LABEL, danger using a generator indoors can kill you in minutes (unit) ..
  • Page 73 Item Dia. Part Mkgs. Description Quantity Figure 12−2. Front Panel (Figure 12−1. Item 94) ... . . 225 550 PANEL, front control ..........
  • Page 74 Hardware is common and not available unless listed. 802 320-A Figure 12−3. Side Control Panels − Welder B (Right) Side Shown OM-225 590 Page 70...
  • Page 75 Item Dia. Part Mkgs. Description Quantity Figure 12−3. Side Control Panels (Figure 12−1. Item 45) ... . +192 330 PANEL, side output RH ..........
  • Page 76 Hardware is common and not available unless listed. Ref. 048 456-E Figure 12−4. Generator Item Dia. Part Mkgs. Description Quantity Figure 12−4. Generator (Figure 12−1. Item 76) ... . *151 299 BRUSH, contact elect clrg .375 x .750 .
  • Page 77 Hardware is common and not available unless listed. 802 319 Figure 12−5. Rectifier Assembly Item Dia. Part Mkgs. Description Quantity Figure 12−5. Rectifier (Figure 12−1. Item 30) ... . . 205 613 RECTIFIER ASSEMBLY .
  • Page 78 Item Dia. Part Mkgs. Description Quantity Wiring Harnesses ....192 208 HARNESS, wiring control box welder A (left) (includes) ... .
  • Page 79 Effective January 1, 2010 (Equipment with a serial number preface of MA or newer) This limited warranty supersedes all previous Miller warranties and is exclusive with no other Warranty Questions? guarantees or warranties expressed or implied. LIMITED WARRANTY − Subject to the terms and conditions 90 Days —...

  • Page 80: Options And Accessories

    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 2010 Miller Electric Mfg. Co. 2010−01...

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