Hobart Welding Products OM-945 manual Specifications, Symbol Definitions

Page 13

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 Protector

 

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 a Robin 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,

 

 

 

Robin

 

 

30% Duty

 

Peak: 10 kVA/kW,

 

Air-Cooled, Two-Cylinder,

 

 

Cycle

 

 

Four-Cycle, 22 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 Options and Accessories Warranty 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’ouïe’EMPLOI Excessif peut ’AIR Comprimé peut provoquer des blessuresLE Surchauffement peut endom- mager le moteur électrique LES Étincelles Volantes risquent de provoquer des blessuresPour les moteurs à essence LE Soudage À L’ARC risque de provoquer des interférencesPour les moteurs diesel En ce qui concerne les stimulateurs cardiaquesSymbol Definitions − SpecificationsWeld, Power, and Engine Specifications − DefinitionsGenerator Power Curve Dimensions, Weights, and Operating AnglesDuty Cycle Fuel Consumption All ModelsVolt-Ampere Curves Material Thickness Reference ChartInstalling Welding Generator − InstallationVehicle frame. Always connect a ground wire MountingEngine Prestart Checks Kohler-Powered Units Engine Prestart Checks Robin-Powered UnitsFuel OilConnecting the Battery Activating The Dry Charge Battery If ApplicableDo not overfill battery cells Connect negative −Weld Output Terminals Installing Exhaust PipeSelecting Weld Cable Sizes Connecting To Weld Output TerminalsFront Panel Controls − Operating the Welding GeneratorAmperage Selection Table For Stick Smaw Electrodes Cold Weather Engine OperationInfrequently LoadedStandard Receptacles − Operating Auxiliary EquipmentGfci Receptacle Option Optional Generator Power ReceptaclesReceptacle Current Available in Amperes 240Routine Maintenance Robin-Powered Units − Maintenance ROBIN-POWERED UnitsMaintenance Label Robin-Powered Units Servicing Air Cleaner Robin−Powered Units Servicing Optional Spark Arrestor Robin-Powered Units Overload Protection Robin-Powered UnitsStop engine. Disconnect nega- tive − battery cable Stop engine and let coolFull Tools Needed Idle Speed Adjustment Adjusting Engine Speed Robin-Powered UnitsWeld/Power Speed Adjustment Routine Maintenance Kohler-Powered Units − Maintenance − KOHLER-POWERED UnitsMaintenance Label Kohler-Powered Units Servicing Air Cleaner Kohler−Powered Units Servicing Optional Spark Arrestor Kohler-Powered Units Overload Protection Kohler-Powered Units802 339-G / S-0842 Stop engine. Reinstall wrapper Adjusting Engine Speed Kohler-Powered UnitsTroubleshooting − TroubleshootingGenerator Power WeldingEngine Work like a Pro − 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 Main Assembly Robin Engine Shown − Parts ListMain Assembly Panel, Front w/Components Panel, Front w/Components -1Item Generator -1Item Support ServiceAssistance Hobart Welding Products Contact your Distributor for
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