Hobart Welding Products 250 installation instructions REGULATOR/FLOWMETER, 10−50 CFH ARGON/CO2

Page 47

Item Dia.

Part

Description

Quantity

 

No.

Mkgs.

No.

 

 

 

 

Figure 8-1. Main Assembly

 

 

 

 

 

 

 

. . .

1

. . . . . . . . .

. 203 481

. . PANEL, side

. . . 1

. . .

2

. . . . . . . . .

. 151 187

. . LATCH, side flush

. . . 2

. . .

3

. . . . . . . . .

. 134 464

. . LABEL, warning general precautionary

. . . 1

. . . 4

. . . . . . . . .

. 205 868

. . DOOR ASSEMBLY

. . . 1

. . .

. . .

. . . . . . . . .

. 200 785

. . LABEL, parameter/consumables/polarity

. . . 1

. . . 5

. . . . . . . . .

+205 867

. . WRAPPER

. . . 1

. . .

6

. . . . T1 . . 192 375

. . TRANSFORMER, pwr main 200/230

. . . 1

. . . 7

. . . . Z . .

. 192 376

. . STABILIZER (including)

. . . 1

. . .

. . .

. . . TP2 .

. 213 414

. . . . THERMOSTAT, NC, open 150C

. . . 1

. . . 8

. . . SR1 .

. 192 428

. . RECTIFIER (including)

. . . 1

. . .

. . .

. . . TP1 .

. 604 515

. . . . THERMOSTAT, NC, open 211F, close 186F

. . . 1

. . .

9

. . . . . . . . .

. . Fig 8-2

. . CENTER BAFFLE w/components

. . . 1

. . . 10

. . . . . . . . .

. . Fig 8-3

. . PANEL, rear w/components

. . . 1

. . . 11

. . PLG1 . 188 911

. . CORD SET, 250V 6-50p 8-10ga 3/c for 200/230

. . . 1

. . . 12

. . . . . . . . .

. 146 161

. . BASE

. . . 1

. . . 13

. . . . . . . . .

. 135 390

. . AXLE

. . . 1

. . . 14

. . . . . . . . .

. 186 758

. . WHEEL

. . . 2

. . . 15

. . . . . . . . .

. 121 614

. . RING, retaining

. . . 2

. . . 16

. . . . . . . . .

. 209 870

. . CASTER, swvl 4.00 in X 1.250 in poly−olefin

. . . 2

. . . 17

. . . . . . . . .

. . Fig 8-4

. . PANEL, front w/components

. . . 1

. . . 18

. . . . . . . . .

. 196 328

. . CABLE, work 10’ no. 3 w/clamp & boot (including)

. . . 1

. . . 19

. . . . . . . . .

. 196 318

. . . . COVER, cable

. . . 1

. . . 20

. . . . . . . . .

. 146 149

. . . . CABLE

. . . 1

. . . 21

. . . . . . . . .

. 130 750

. . . . CLAMP, work

. . . 1

. . . 22

. . . . . . . . .

. 227 715

. . M−25 GUN 12 ft .030−.035 WIRE (Fig 8-5)

. . . 1

. . .

. . .

. . . . . . . . .

. 220 747

. . REGULATOR/FLOWMETER, 10−50 CFH ARGON/CO2

. . . 1

. . .

. . .

. . . . . . . . .

. 222 874

. . HOSE, assembly gas

. . . 1

+When ordering a component originally displaying a precautionary label, the label should also be ordered.

To maintain the factory original performance of your equipment, use only Manufacturer’s Suggested Replacement Parts. Model and serial number required when ordering parts from your local distributor.

OM-192 440 Page 43

Page 46 Page 48
Image 47
Page 46 Page 48
Contents File MIG Gmaw OM-192 440WProcesses DescriptionFrom Hobart to You Table of Contents 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 Indique un message de sécurité particulier UNE Décharge Électrique peut entraîner la mortLES Fumées ET LES GAZ peuvent être dangereux DES Pièces Chaudes peuvent provoquer des brûlures graves LE Soudage peut provoquer unIncendie ou une explosion DES Particules Volantes peuvent blesser les yeuxDES Organes Mobiles peuvent provoquer des blessures Risque D’INCENDIE OU D’EXPLOLA Chute DE L’APPAREIL peut blesser ’EMPLOI Excessif peut SUREn ce qui concerne les stimulateurs cardiaques Principales normes de sécuritéOverheating SpecificationsWelding Power Source Duty Cycle And Overheating Exceeding duty cycle can damage unit and void warrantyDefinition Welding Gun Duty Cycle And OverheatingVolt-Ampere Curves Installing Welding Gun Installing Work Clamp Connecting To Weld Output TerminalsInstalling Wire Spool And Adjusting Hub Tension Setting Gun Polarity For Wire TypeRear Panel Installing Gas SupplyVolts Positioning Jumper LinksMin Grounding Conductor Size In AWG Electrical Service GuideHz Single Input VoltageSelecting a Location And Connecting Input Power Wood Threading Welding WireOperation Turn Off unit, and disconnect input powerTurn Off unit Connecting Spool Gun To Welding Power SourceControls − OperationWhile welding Voltage switch positionWeld Parameters Number on left of slash To read settingsExample 2/40 = Months Routine MaintenanceDisconnect power before maintaining Supplementary ProtectorsRemoving Knob From Front Panel Replacing Drive Roll And Wire Inlet GuideTurn Off power Replacing Gun Contact Tip Turn Off power before replacing contact tipWire size stamped on tip − check and match wire size Turn off welding power source/wire feederReplacing Switch And/Or Head Tube Welding Trouble Remedy Welding Troubleshooting TableWire Drive/Gun Troubleshooting Table Wire Drive/Gun Trouble RemedyTypical MIG Process Connections − MIG Welding Gmaw GuidelinesAmperage 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 EquipmentWire does not feed Common MIG Shielding GasesWelding arc not stable Wire slipping in drive rolls OM-192 440 − Electrical Diagram − Parts List REGULATOR/FLOWMETER, 10−50 CFH ARGON/CO2 Center Baffle w/Components Center Baffle w/Components -1Item Rear Panel w/Components Front Panel w/Components M-25 Gun Description Remarks Optional Spool Gun SwitchPage Assistance ServiceSupport Hobart Welding Products Contact your Distributor for
Top Page Image Contents