Hobart Welding Products OM-945 194 047U manual Specifications, Symbol Definitions

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SECTION 3 − DEFINITIONS

3-1. Symbol Definitions

 

Stop Engine

 

Fast

 

Fast/Slow

 

Slow (Idle)

 

 

(Run, Weld/Power)

 

(Run/Idle)

 

 

 

 

 

 

 

 

Start Engine

 

Read Operator’s

A

Amperes

V

Volts

 

 

Manual

 

 

 

 

 

 

Engine Oil

 

Fuel

 

Battery (Engine)

 

Engine

 

Engine Choke

 

Check Valve

 

Circuit Breaker

 

Temperature

 

 

Clearance

 

 

 

 

 

 

 

 

 

 

Positive

 

Negative

 

Alternating Current

 

Output

 

 

 

(AC)

 

 

 

 

 

 

 

 

h

Hours

s

Seconds

 

Time

 

Protective Earth

 

 

 

 

 

 

 

 

(Ground)

 

 

 

 

 

 

 

 

Welding Arc

 

Stick (SMAW)

 

Fuse

 

 

 

(Electrode)

 

 

 

 

 

 

SECTION 4 − SPECIFICATIONS

4-1. Weld, Power, and Engine Specifications

Note

This unit uses either an Onan or a Kohler engine. Differences between models are noted

 

throughout this manual.

 

 

 

 

 

 

 

 

 

 

Welding

Weld Output

Rated

Maximum

Single-Phase

Fuel

 

Welding

Open Circuit

Engine

Mode

Range

Generator Power Rating

Capacity

Output

Voltage

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

230 A, 25 V,

 

 

 

Onan

 

 

30% Duty

 

Peak: 10 kVA/kW,

 

Air-Cooled, Two-Cylinder,

 

 

Cycle

 

 

Four-Cycle, 20.5 HP

 

 

 

84/42 A,

 

 

 

210 A, 25 V,

 

 

Gasoline Engine

 

 

 

120/240 V AC,

10 gal

CC/DC

50 − 230 A

60% Duty

73

60 Hz

or

(38 L) Tank

 

 

Cycle

 

 

Kohler CH-20

 

 

 

 

 

 

 

170 A, 25 V,

 

Continuous: 9.5 kVA/kW

 

 

 

 

 

Air-Cooled, Two-Cylinder,

 

 

100% Duty

 

(while not welding)

 

Four-Cycle, 20 HP

 

 

 

 

 

 

 

Cycle

 

 

 

Gasoline Engine

 

 

 

 

 

 

 

OM-945 Page 9

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Contents Description ProcessesFrom Hobart to You Table of Contents Table of Contents Arc Welding Hazards Symbol UsageEngine Hazards Compressed Air Hazards 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 LES Fumées ET LES GAZ peuvent être dangereuxDES Particules Volantes peuvent blesser les yeux LE Soudage peut provoquer un in- cendie ou une explosionDES Pièces Chaudes peuvent provoquer des brûlures 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 ’AIR Comprimé peut provoquer des blessuresInformation sur les champs électromagnétiques Principales normes de sécuritéSymbol Definitions − SpecificationsWeld, Power, and Engine Specifications − DefinitionsGenerator Power Curve Dimensions, Weights, and Operating AnglesDo not move or operate unit where it could tip Duty Cycle Fuel Consumption All ModelsVolt-Ampere Curves Material Thickness Reference ChartInstalling Welding Generator − InstallationEngine Prestart Checks Kohler-Powered Units Engine Prestart Checks Onan-Powered UnitsFuel OilDo not overfill battery cells Activating The Dry Charge Battery If ApplicableRead and follow all instruc ChargerInstalling Exhaust Pipe Connecting the Battery+ − Connect negative − cable lastSelecting Weld Cable Sizes Connecting to Weld Output Terminals45 m 60 m 70 m 90 m 105 m 120 m Put terminalsAmperage Selection Table For Stick Smaw Electrodes Front Panel Controls − Operating the Welding GeneratorStandard Receptacles − Operating Auxiliary EquipmentCeptacles, use Wiring Optional 240 Volt Plug Optional Generator Power Receptacles− Maintenance ONAN-POWERED Units Every 500 h Maintenance Label Onan-Powered UnitsEvery 1000 h Stop engine Servicing Air Cleaner Onan-Powered UnitsServicing Optional Spark Arrestor Onan-Powered Units Overload Protection Onan-Powered UnitsStop engine. Disconnect nega- tive − battery cable Stop engine and let coolFull Tools Needed Idle Speed Adjustment Adjusting Engine Speed Onan-Powered UnitsWeld/Power Speed Adjustment Every 20 h Routine Maintenance Kohler-Powered UnitsEvery 25 h Replace unreadable labels Maintenance Label Kohler-Powered Units Servicing Air Cleaner Kohler-Powered Units Servicing Optional Spark Arrestor Kohler-Powered Units Overload Protection Kohler-Powered Units802 339-B / S-0842 Stop engine. Reinstall wrapper Adjusting Engine Speed Kohler-Powered UnitsTroubleshooting − TroubleshootingGenerator Power WeldingEngine − Electrical Diagram Selecting Equipment − Generator 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 x 1000 = Starting AmperageTypical Connections To Supply Standby Power Current Load Watts Amperes Selecting Extension Cord Use Shortest Cord PossibleWeld current starts when electrode touches work- piece Stick Welding Procedure− Stick Welding Smaw Guidelines Striking an Arc − Scratch Start Technique Electrode and Amperage Selection ChartStriking an Arc − Tapping Technique Good Weld Bead Characteristics Poor Weld Bead CharacteristicsPositioning Electrode Holder Electrode Movement During Welding Conditions That Affect Weld Bead ShapeLap Joint Butt JointsTee Joint Troubleshooting − Excessive Spatter Troubleshooting − PorosityWeld Test Possible Causes Corrective ActionsTroubleshooting − Lack Of Penetration Troubleshooting − Incomplete FusionTroubleshooting − Excessive Penetration Troubleshooting − Waviness Of Bead Troubleshooting − Burn-ThroughTroubleshooting − Distortion OM-945 Main Assembly Onan Engine Shown − Parts ListMain Assembly Panel, Front w/Components Panel, Front w/Components -1Item Generator -1Item Support ServiceHobart Welding Products Contact your Distributor for