Hobart Welding Products OM-944 196 639G, 175 manual Specifications, VAC Model

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SECTION 3 − SPECIFICATIONS

3-1. Specifications

A. 115 VAC Model

Rated Welding

Amperage

Maximum Open-

Amperes Input at

 

 

Weight

Overall

Rated Load Output

 

 

Circuit Voltage

KVA

KW

Output

Range

115 V, 60 Hz, Single-

W/ Gun

Dimensions

DC

 

 

 

 

Phase

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Length: 18-7/8 in

90 A @ 19 Volts DC,

 

 

20

2.90

2.50

55 lb

(479 mm)

20% Duty Cycle

 

 

Width: 10-5/8 in

 

30 − 135

28

 

 

 

(25 kg)

63 A @ 21 Volts DC,

 

 

 

(270 mm)

 

 

15*

2.20*

1.77*

 

 

 

 

 

20% Duty Cycle*

 

 

 

 

 

 

Height: 12-3/8 in

 

 

 

 

 

 

 

(314 mm)

 

 

 

 

 

 

 

 

 

Solid/

Flux Cored/

 

Wire Feed Speed Range

 

 

Stainless

Aluminum

 

 

 

 

 

 

 

 

Wire Type

 

 

 

 

 

 

 

.024 − .030 in

.030 − .035 in

 

 

 

 

 

And Dia

370 − 840 IPM (9.2 − 21.8 m/min) At No Load

(0.6 − 0.8 mm)

(0.8 − 0.9 mm)/

 

 

 

.030

190 − 800 IPM (4.9 − 20.8 m/min) Feeding Wire

 

 

(0.8 mm)

 

 

 

 

 

 

 

 

 

 

 

 

 

* CSA Rating

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

B. 230 VAC Model

Rated Welding

Amperage

Maximum Open-

Amperes Input at

 

 

Weight

Overall

Rated Load Output

 

 

Circuit Voltage

KVA

KW

Output

Range

230 V, 50/60 Hz,

W/ Gun

Dimensions

DC

 

 

 

 

Single-Phase

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Length: 18-7/8 in

130 A @ 20 Volts

 

 

 

 

 

 

(479 mm)

DC, 30% Duty Cycle

 

 

 

 

 

65 lb

Width: 10-5/8 in

At 60 Hz Input − 20%

30 − 175

30

19.5

4.60

3.75

(29.5 kg)

(270 mm)

Duty Cycle At 50 Hz

 

 

 

 

 

 

 

 

 

 

 

 

Input

 

 

 

 

 

 

Height: 12-3/8 in

 

 

 

 

 

 

 

(314 mm)

 

 

 

 

 

 

 

 

 

Solid/

Flux Cored/

 

Wire Feed Speed Range

 

 

Stainless

Aluminum

 

 

 

 

 

 

 

 

Wire Type

 

 

 

 

 

 

 

.024 − .035 in

.030 − .045 in

 

 

 

 

 

And Dia

 

 

 

 

 

(0.6 − 0.9 mm)

(0.8 − 1.2 mm)/

350 − 900 IPM (9.0 − 23.0 m/min) At No Load

 

 

 

.030 − .035 in

150 − 850 IPM (3.9 − 22.1 m/min) Feeding Wire

 

 

(0.8 − 0.9 mm)

 

 

 

 

 

 

 

 

 

 

 

 

 

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OM-944 Page 9

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Contents Processes OM-944Description From Hobart to You Table of Contents Options and Accessories Warranty Marks a special safety message Symbol UsageArc Welding Hazards Electric Shock can killWelding can cause fire or explosion ARC Rays can burn eyes and skinFlying Metal can injure eyes Buildup of GAS can injure or killCalifornia Proposition 65 Warnings EMF Information Principal Safety StandardsAbout Pacemakers − Consignes DE Sécurité − À Lire Avant Utilisation Identifie un message de sécurité particulierLES Particules Projetées peu- vent blesser les yeux LE Soudage peut causer un incen- die ou une explosionLES Pièces Chaudes peuvent cau- ser des brûlures graves LE Bruit peut affecter l’ouïeLA Chute DE L’APPAREIL peut blesser Risque D’INCENDIE OU D’EXPLO’EMPLOI Excessif peut Faire LES Pièces Mobiles peuvent cau- ser des blessuresInformation sur les champs électromagnétiques Principales normes de sécuritéConsignes relatives aux stimulateurs cardiaques Specifications − SpecificationsVAC Model Output Duty Cycle And OverheatingDuty Cycle % Output AmperesLoad Amps Volt-Ampere CurvesInstalling Welding Gun Installing Work Clamp − InstallationChanging Polarity Process/Polarity TableInstalling Gas Supply Rating Label = GND/PE Do not move or operate unit where it could tipInstalling Wire Spool And Adjusting Hub Tension Electrical Service Guide For 230 VAC ModelHold wire tightly to keep it from unraveling Threading Welding WireControls − OperationWelding Guide Weld Parameter Chart For 115 VAC ModelFor 115 Volt Wire Welding Package Weld Parameter Chart For 230 VAC Model For 230 Volt Wire Welding Package Routine Maintenance − Maintenance &TROUBLESHOOTINGDisconnect power before maintaining Overload Protection Drive Motor ProtectionTurn Off power before replacing contact tip Changing Drive Roll Or Wire Inlet GuideReplacing Gun Contact Tip Disconnect gun from unit Cleaning Or Replacing Gun LinerTo Reassemble Gun Replacing Switch And/Or Head Tube Trouble Remedy Troubleshooting TableCircuit Diagram For 115 VAC Model − Electrical DiagramCircuit Diagram For 230 VAC Model Typical MIG Process Connections − MIG Welding Gmaw GuidelinesWire Size Amperage Range Typical MIG Process Control SettingsThickness to Amperage a Select VoltageHolding And Positioning Welding Gun Conditions That Affect Weld Bead Shape Good Weld Bead Characteristics Poor Weld Bead CharacteristicsGun Movement During Welding Troubleshooting − Porosity Troubleshooting − Excessive SpatterTroubleshooting − Excessive Penetration Possible Causes Corrective ActionsTroubleshooting − Incomplete Fusion Troubleshooting − Lack Of PenetrationTroubleshooting − Burn-Through Troubleshooting − Distortion Troubleshooting − Waviness Of BeadCommon MIG Shielding Gases Troubleshooting Guide For Semiautomatic Welding EquipmentApplication Welding arc not stable Wire slipping in drive rolls Return To Table Of Contents Main Assembly − Parts ListDia Part H-10 Gun Options Optional Drive Rolls195 Page Support ServiceHobart Welding Products Contact your Distributor for