Hobart Welding Products OM-477 manual Maintenance and Troubleshooting

Page 28

SECTION 7 – MAINTENANCE AND TROUBLESHOOTING

NOTE

Follow the storage procedure in the engine owner’s manual if the unit will not be used for an extended period.

7-1. Routine Maintenance

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Y Stop engine before maintaining.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Recycle

. See also Engine Manual and Maintenance

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

engine

Label. Service engine more often if used in

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

fluids.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

severe conditions.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

* To be done by Factory Authorized Service

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Agent.

8 h

Wipe up spills.

Clean air filter. See Section 7-3.

Change oil. See Section 7-5.

Replace fuel filter. See Section 7-6.

Check fluid levels.

See Section 4-4.

OIL

Full

50 h

Clean and tighten weld terminals.

100 h

Change oil filter.

See Section 7-5.

Clean and tighten battery connections.

200 h

250 h

Replace unreadable labels.

Check spark plugs.

Check and clean spark arrestor. See Section 7-7.

500 h

Check valve clearance.*

Repair or replace cracked cables.

1000 h

Blow out or

 

vacuum inside.

Or

During

heavy

 

service,

clean

 

monthly.

 

 

Check

1/2 in.

belt (13 mm) tension.

Service welding generator

brushes and slip rings.

Service more often in dirty

conditions.*

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Contents Processes OM-477Description From Hobart to You Table of Contents Page Symbol Usage Arc Welding HazardsElectric Shock can kill ARC Rays can burn eyes and skinEngine Hazards Battery Explosion can Blind Moving Parts can cause injuryEngine Exhaust Gases can kill Engine Heat can cause firePrincipal Safety Standards EMF InformationRadiation can cause interference ARC Welding can cause interferenceSignification des symboles Consignes DE SÉ Curité Lire Avant UtilisationUN Choc É Lectrique peut tuer LES Fumé ES ET LES GAZ peuvent ê tre dangereuxLE Soudage peut provoquer un in- cendie ou une explosion DES Particules Volantes peuvent blesser les yeuxDES PIÈ CES Chaudes peuvent provoquer des brû lures graves LE Bruit peut affecter l’ouïeDES Organes Mobiles peuvent provoquer des blessures ’EXPLOSION DE LA Batterie peutLA Chaleur DU Moteur peut pro- voquer un incendie LA Chute DE L’APPAREIL peut blesserPrincipales normes de sé curité Information sur les champs é lectromagné tiquesLE Soudage À L’ARC risque de provoquer des interfé rences Consignes relatives aux stimulateurs cardiaquesSpecifications Symbols And DefinitionsWeld, Power, And Engine Specifications DefinitionsDimensions, Weights, And Operating Angles DimensionsWeight 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 Volt-Ampere Curves DC Volts CC/DC StandardAC Amperes CV/DC Models with Optional CV-3 Module 100Installation Installing Welding GeneratorConnecting The Battery Installing Muffler13 mm Full Gasoline Capacity 9 qt 8.5 L Engine Prestart ChecksTop View Connecting To Weld Output Terminals Selecting Weld Cable Sizes100 ft 30 m Or Less 10 100% Duty CycleRemote 14 Receptacle RC3 Information Optional, See Section Terminal Strip 3T Connections OptionalSocket Information Stop engineOperating Welding Generator Front Panel Controls See SectionAmpere Range Switch Do not switch under loadDescription Of Front Panel Controls See Section Stop engine and fix trouble if either warning light goes onRemote Control Optional Example Combination remote amperage controlOperating Auxiliary Equipment Volt Duplex And Optional Gfci ReceptaclesVolt Duplex Receptacle Optional X 10 a + 120 V x 5 a = 3.0 kVA/kWConnecting Optional Auxiliary Power Plant FrontMaintenance and Troubleshooting Maintenance Label Servicing Air Cleaner To Clean air filterDo not clean housing with air hose Overload ProtectionChanging Engine Oil And Filter Stop engine and let cool Standard Oil FilterCation makes it difficult to change Standard filterChanging Fuel Filter Inspecting And Cleaning Optional Spark Arrestor MufflerStop engine and let cool Adjusting Engine Weld/Power Speed 1850 rpm MaxAdjusting Engine Idle Speed Adjusting Governor SensitivityAdjusting Optional High Altitude Carburetor TroubleshootingWelding Trouble RemedyAuxiliary Power Coolant temperature gets too high see Section Check Engine Control switch, and replace if necessaryEngine See engine manualOM-477 Electrical Diagrams Circuit Diagram For Welding Generator For Standard ModelsOM-477 193 967-A Selecting Equipment Auxiliary Power GuidelinesGrounding Generator To Truck Or Trailer Frame Grounding When Supplying Building Systems How Much Power Does Equipment Require?Earth ground if supplying Amperes x Volts = WattsApproximate Power Requirements For Industrial Motors Approximate Power Requirements For Farm/Home EquipmentIndustrial Motors Rating Starting Watts Running Watts Farm/Home Equipment Rating Starting Watts Running WattsApproximate Power Requirements For Contractor Equipment Contractor Rating Starting Watts Running WattsPower Required To Start Motor How Much Power Can Generator Supply?Single-Phase Induction Motor Starting Requirements KVA/HP x HP xTypical Connections To Supply Standby Power 240 120 GroundSelecting Extension Cord Use Shortest Cord Possible Current Load Watts AmperesOM-477 Parts List 114 113 112 111 110 109 108 107 106 105 104 103 102 101 100Includes 39 43 Dia Part Description Mkgs Quantity 025 Generator 2523Generator -1 Item 2539 IncludesCB1,2 139 Control Box w/Components -3 Item Service SupportHobart 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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