Hobart Welding Products OM-477 manual Specifications, Symbols And Definitions

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SECTION 2 – DEFINITIONS

2-1. Symbols And Definitions

 

Stop Engine

 

Fast (Run, Weld/

 

Slow (Idle)

 

Start Engine

 

 

Power)

 

 

 

 

 

 

 

 

 

 

Fast/Slow

 

Battery (Engine)

 

Output

 

Engine Oil

 

(Run/Idle)

 

 

 

 

 

 

 

 

 

 

 

Circuit Breaker

 

Check Valve

 

Fuel

 

Protective Earth

 

 

Clearance

 

 

(Ground)

 

 

 

 

 

 

 

Positive

 

Negative

 

Certified/Trained

 

Welding Arc

 

 

 

Mechanic

 

A

 

V

 

 

 

 

Amperes

Volts

 

Panel/Local

14

Remote 14

 

 

 

 

Read Operator’s

G

Engine

 

Temperature

 

Engine Coolant

 

Manual

 

 

Temperature

 

1

 

 

 

 

 

Alternating

 

Time

h

Hours

s

Seconds

 

Current

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Stick Welding

 

Constant Current

 

MIG Welding

 

Constant Voltage

 

(SMAW)

 

(CC)

 

(GMAW)

 

(CV)

 

Do Not Switch

1

Single Phase

3

Three Phase

 

 

 

While Welding

 

 

 

 

 

 

 

SECTION 3 – SPECIFICATIONS

3-1. Weld, Power, And Engine Specifications

Welding

Weld Output

Rated Welding

Maximum

Auxiliary Power

 

 

Open-Circuit

Engine

Fuel Capacity

Mode

Range

Output

Rating

Voltage

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

375 A, 35 Volts DC,

 

 

 

 

 

 

50% Duty Cycle

 

 

Teledyne-Continental

 

CC/DC

50 – 440 A

 

95

Single-Phase,

 

 

TM-20 Water-Cooled,

 

 

 

300 A, 32 Volts DC

 

16 gal (60.6 L)

 

 

 

3 kVA/kW, 26 A,

Three-Cylinder,

 

 

100% Duty Cycle

 

 

 

 

120 V AC, 60 Hz

38 HP Gasoline

 

 

 

 

 

 

 

 

 

 

 

Engine

 

CV/DC

14 – 38 V

300 A, 32 Volts DC,

40

 

 

 

 

 

(Optional)

100% Duty Cycle

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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Contents Processes OM-477Description From Hobart to You Table of Contents Page Arc Welding Hazards Symbol UsageElectric Shock can kill ARC Rays can burn eyes and skinEngine Hazards Moving Parts can cause injury Battery Explosion can BlindEngine Exhaust Gases can kill Engine Heat can cause fireEMF Information Principal Safety StandardsRadiation can cause interference ARC Welding can cause interferenceConsignes DE SÉ Curité Lire Avant Utilisation Signification des symbolesUN Choc É Lectrique peut tuer LES Fumé ES ET LES GAZ peuvent ê tre dangereuxDES Particules Volantes peuvent blesser les yeux LE Soudage peut provoquer un in- cendie ou une explosionDES PIÈ CES Chaudes peuvent provoquer des brû lures graves LE Bruit peut affecter l’ouïe’EXPLOSION DE LA Batterie peut DES Organes Mobiles peuvent provoquer des blessuresLA Chaleur DU Moteur peut pro- voquer un incendie LA Chute DE L’APPAREIL peut blesserInformation sur les champs é lectromagné tiques Principales normes de sé curitéLE Soudage À L’ARC risque de provoquer des interfé rences Consignes relatives aux stimulateurs cardiaquesSymbols And Definitions SpecificationsWeld, Power, And Engine Specifications DefinitionsDimensions Dimensions, Weights, And Operating AnglesWeight Fuel ConsumptionDuty Cycle And Overheating AC Auxiliary PowerMinutes Welding Minutes Resting 5 KVA/KW Single-Phase Auxiliary Power Plant No Weld Load Optional AC Power Plant Curves12.5 KVA/KW Three-Phase Auxiliary Power Plant No Weld Load DC Volts CC/DC Standard Volt-Ampere CurvesAC Amperes CV/DC Models with Optional CV-3 Module 100Installing Welding Generator InstallationConnecting The Battery Installing Muffler13 mm Full Gasoline Capacity 9 qt 8.5 L Engine Prestart ChecksTop View Selecting Weld Cable Sizes Connecting To Weld Output Terminals100 ft 30 m Or Less 10 100% Duty CycleTerminal Strip 3T Connections Optional Remote 14 Receptacle RC3 Information Optional, See SectionSocket Information Stop engineFront Panel Controls See Section Operating Welding GeneratorDo not switch under load Ampere Range SwitchDescription Of Front Panel Controls See Section Stop engine and fix trouble if either warning light goes onExample Combination remote amperage control Remote Control OptionalVolt Duplex And Optional Gfci Receptacles Operating Auxiliary EquipmentX 10 a + 120 V x 5 a = 3.0 kVA/kW Volt Duplex Receptacle OptionalFront Connecting Optional Auxiliary Power PlantMaintenance and Troubleshooting Maintenance Label To Clean air filter Servicing Air CleanerDo not clean housing with air hose Overload ProtectionStop engine and let cool Standard Oil Filter Changing Engine Oil And FilterCation makes it difficult to change Standard filterChanging Fuel Filter Inspecting And Cleaning Optional Spark Arrestor MufflerStop engine and let cool 1850 rpm Max Adjusting Engine Weld/Power SpeedAdjusting Governor Sensitivity Adjusting Engine Idle SpeedTroubleshooting Adjusting Optional High Altitude CarburetorWelding Trouble RemedyAuxiliary Power Check Engine Control switch, and replace if necessary Coolant temperature gets too high see SectionEngine See engine manualOM-477 Circuit Diagram For Welding Generator For Standard Models Electrical DiagramsOM-477 193 967-A Selecting Equipment Auxiliary Power GuidelinesGrounding Generator To Truck Or Trailer Frame How Much Power Does Equipment Require? Grounding When Supplying Building SystemsEarth ground if supplying Amperes x Volts = WattsApproximate 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 WattsContractor Rating Starting Watts Running Watts Approximate Power Requirements For Contractor EquipmentHow Much Power Can Generator Supply? Power Required To Start MotorSingle-Phase Induction Motor Starting Requirements KVA/HP x HP x240 120 Ground Typical Connections To Supply Standby PowerCurrent Load Watts Amperes Selecting Extension Cord Use Shortest Cord PossibleOM-477 114 113 112 111 110 109 108 107 106 105 104 103 102 101 100 Parts ListIncludes 39 43 Dia Part Description Mkgs Quantity 025 2523 GeneratorGenerator -1 Item Includes 2539CB1,2 139 Control Box w/Components -3 Item Support ServiceHobart Welding Products Contact your Distributor forCall

OM-477 specifications

Hobart Welding Products has long been recognized for delivering high-quality welding equipment tailored to the needs of both professionals and DIY enthusiasts. Among its distinguished offerings is the OM-477, a versatile multi-process welder designed to excel in a variety of welding applications. This machine integrates an array of features and technologies that cater to both novice and experienced welders.

One of the defining characteristics of the OM-477 is its multi-process capability, which allows users to perform MIG, TIG, and stick welding with ease. This flexibility makes it an ideal choice for a wide range of projects, from automotive repair to light fabrication tasks. The seamless transition between processes is facilitated by a user-friendly interface that simplifies the selection and adjustment of settings, ensuring a smoother workflow.

The OM-477 is powered by a robust, industrial-grade inverter technology that provides high arc stability and increased energy efficiency. This not only enhances performance but also reduces power consumption, making it an environmentally friendly option. Welders can operate at various output ranges, accommodating different materials, including mild steel, stainless steel, and aluminum, thus ensuring versatility in project execution.

Another notable feature of the OM-477 is its portability. Weighing in at a manageable size, this welder is equipped with a durable carry handle, allowing for easy movement between job sites or within the workshop. This characteristic complements its user-friendly setup, making it accessible for individuals of all skill levels.

Safety is a pivotal aspect of the design of the OM-477. It incorporates multiple safety features such as a thermal overload protection mechanism, ensuring that the machine operates well within safe parameters. This is crucial for preventing overheating, thereby extending the welder's lifespan and reducing maintenance costs over time.

Additionally, the OM-477 offers precise control over welding parameters, enabling users to fine-tune their settings for optimal results. Whether tackling thin sheet metal or thicker materials, the welder’s adjustment capabilities ensure a clean, professional finish.

In summary, the Hobart OM-477 stands as a testament to innovative welding technology, combining multi-process functionality, inverter efficiency, portability, and safety into a single machine. It is a reliable tool designed to empower welders at any skill level, making it a worthy addition to any welding arsenal. With the OM-477, Hobart Welding Products continues to champion quality and user satisfaction in the welding industry.
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