Hobart Welding Products OM-944 196 639G, 175 manual Dia Part

Page 47

Item

Dia.

Part

 

 

 

No.

Mkgs.

No.

Description

Quantity

 

 

 

 

Figure 9-1. Main Assembly

 

 

 

 

 

 

 

. . .

1

. . . . .

. . . . 199 566

. . DOOR, access

. . . 1

. . .

2

. . . . .

. . . . 196 006

. . HINGE, door

. . . 2

. . .

3

. . . . .

. . . . 211 887

. . HUB, nut

. . . 1

. . .

4

. . . . .

. . . . 204 608

. . NUT

. . . 1

. . .

5

. . . . .

. . . . 202 998

. . SPRING, cprsn

. . . 1

. . .

6

. . . . .

. . . . 203 072

. . WASHER, flat

. . . 1

. . .

7

. . . . .

. . . . 211 339

. . HUB, spool

. . . 1

. . .

8

. . . . .

. . . . 202 726

. . ADAPTER, spool hub

. . . 1

. . .

9

. . . . .

. . . . 195 886

. . CIRCUIT CARD ASSY, control (115 VAC model)

. . . 1

. . .

9

. . . . .

. . . . 195 887

. . CIRCUIT CARD ASSY, control (230 VAC model)

. . . 1

. . . 10

. . . . .

. . . . 195 999

. . BASE, lower

. . . 1

. . . 11

. . . . .

. . . . 210 109

. . CIRCUIT BREAKER, 25 amp

. . . 1

. . . 12

. . . . .

. . . . 196 467

. . TUBING, PVC .187 ID x .312 OD x 24.000

. . . 1

. . . 13

. . . . .

. . . . 116 996

. . VALVE, gas (115 VAC model)

. . . 1

. . . 13

. . . . .

. . . . 128 751

. . VALVE, gas (230 VAC model)

. . . 1

. . . 14

. . . . .

. . . . 197 198

. . CABLE TIE, .700-.799 bundle dia

. . . 2

. . . 15

. . . . .

. . . . 147 545

. . CORD SET, 125V 5−15P 14GA 3/C 7ft SPT−3 jkt (115 VAC model)

. . .1

. . . 15

. . . . .

. . . . 152 118

. . CORD SET, 250V 6−50P 12GA 3/C 7ft SPT−3 jkt (230 VAC model)

. . .1

. . . 16

. . . . .

. . . . 111 443

. . BUSHING, strain relief

. . . 1

. . . 17

. . . . .

. . . . 605 227

. . NUT, gas valve

. . . 1

. . . 18

. . . . .

. . . . 196 063

. . MOTOR, fan (115 VAC model)

. . . 1

. . . 18

. . . . .

. . . . 196 064

. . MOTOR, fan (230 VAC model)

. . . 1

. . . 19

. . . . .

409 953-001

. . BLADE, fan cooling

. . . 1

. . . 20

. . . . .

. . . . 194 268

. . TRANSFORMER, power assy (115 VAC model)

. . . 1

. . . 20

. . . . .

. . . . 194 277

. . TRANSFORMER, power assy (230 VAC model)

. . . 1

. . . 21

. . . . .

. . . . 208 015

. . HANDLE, carrying

. . . 1

. . . 22

. . . . .

. . . . 196 005

. . WRAPPER

. . . 1

. . . 23

. . . . .

. . . . 204 036

. . LABEL, warning

. . . 1

. . . 24

. . . . .

. . . . 203 491

. . CLAMP, capacitor

. . . 1

. . . 25

. . . . .

. . . . 193 039

. . CAPACITOR, electlt 53000uf (115 VAC model)

. . . 1

. . . 25

. . . . .

. . . . 193 040

. . CAPACITOR, electrlt 100000uf (230 VAC model)

. . . 1

. . . 26

. . . . .

. . . . 203 868

. . REACTOR ASSY (115 VAC model)

. . . 1

. . . 26

. . . . .

. . . . 203 874

. . REACTOR ASSY (230 VAC model)

. . . 1

. . . 27

. . . . .

. . . . 193 191

. . RECTIFIER ASSY (115 VAC model)

. . . 1

. . . 27

. . . . .

. . . . 193 316

. . RECTIFIER ASSY (230 VAC model)

. . . 1

. . . 28

. . . . .

. . . . 198 585

. . PLATE, support (230 VAC model only)

. . . 1

. . . 29

. . . . .

. . . . 193 193

. . BUS BAR (positive)

. . . 1

. . . 30

. . . . .

. . . . 196 000

. . BAFFLE, center

. . . 1

. . . 31

. . . . .

405 576-001

. . BUSHING, terminal

. . . 1

. . . 32

. . . . .

. . . . 193 144

. . INSULATOR, output stud

. . . 1

. . . 33

. . . . .

. . . . 193 194

. . BUS BAR (negative)

. . . 1

. . . 34

. . . . .

. . . . 199 824

. . LABEL, warning

. . . 1

. . . 35

. . . . .

. . . . 134 201

. . STAND-OFF

. . . 1

. . . 36

. . . . .

. . . . 409 477

. . SWITCH, rotary 25A 5 position

. . . 1

. . . 37

. . . . .

. . . . 194 513

. . POTENTIOMETER, . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

. . . 38

. . . . .

. . . . 196 129

. . PANEL, front (purple)

. . . 1

. . . 38

. . . . .

. . . . 196 007

. . PANEL, front (black)

. . . 1

. . . 39

. . . . .

. . . . 010368

. . CLAMP, work

. . . 1

. . . 40

. . . . .

. . . . 196 619

. . CABLE, work

. . . 1

. . . 41

. . . . .

. . . . 196 575

. . SWITCH, rocker SPST (115 VAC model)

. . . 1

Page 46 Page 48
Image 47
Page 46 Page 48
Contents Description OM-944Processes From Hobart to You Table of Contents Options and Accessories Warranty Electric Shock can kill Symbol UsageMarks a special safety message Arc Welding HazardsBuildup of GAS can injure or kill ARC Rays can burn eyes and skinWelding can cause fire or explosion Flying Metal can injure eyesCalifornia Proposition 65 Warnings About Pacemakers Principal Safety StandardsEMF Information − Consignes DE Sécurité − À Lire Avant Utilisation Identifie un message de sécurité particulierLE Bruit peut affecter l’ouïe LE Soudage peut causer un incen- die ou une explosionLES Particules Projetées peu- vent blesser les yeux LES Pièces Chaudes peuvent cau- ser des brûlures gravesLES Pièces Mobiles peuvent cau- ser des blessures Risque D’INCENDIE OU D’EXPLOLA Chute DE L’APPAREIL peut blesser ’EMPLOI Excessif peut FaireConsignes relatives aux stimulateurs cardiaques Principales normes de sécuritéInformation sur les champs électromagnétiques VAC Model − SpecificationsSpecifications Output Amperes Duty Cycle And OverheatingOutput Duty Cycle %Load 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 Overload Protection Drive Motor Protection − Maintenance &TROUBLESHOOTINGRoutine Maintenance Disconnect power before maintainingReplacing Gun Contact Tip Changing Drive Roll Or Wire Inlet GuideTurn Off power before replacing contact tip To Reassemble Gun Cleaning Or Replacing Gun LinerDisconnect gun from unit 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 GuidelinesSelect Voltage Typical MIG Process Control SettingsWire Size Amperage Range Thickness to Amperage aHolding And Positioning Welding Gun Conditions That Affect Weld Bead Shape Gun Movement During Welding Poor Weld Bead CharacteristicsGood Weld Bead Characteristics Possible Causes Corrective Actions Troubleshooting − Excessive SpatterTroubleshooting − Porosity Troubleshooting − Excessive PenetrationTroubleshooting − Burn-Through Troubleshooting − Lack Of PenetrationTroubleshooting − Incomplete Fusion Troubleshooting − Distortion Troubleshooting − Waviness Of BeadApplication Troubleshooting Guide For Semiautomatic Welding EquipmentCommon MIG Shielding Gases Welding arc not stable Wire slipping in drive rolls Return To Table Of Contents Main Assembly − Parts ListDia Part H-10 Gun 195 Optional Drive RollsOptions Page Support ServiceHobart Welding Products Contact your Distributor for
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