Hobart Welding Products 250 Example 2/40 =, To read settings, Number on left of slash

Page 27

SETTINGS ON THIS CHART ARE STARTING

To read settings:

 

Example 2/40 =

VALUES ONLY AND ARE BASED ON A 230 INPUT

 

LINE VOLTAGE. SEE OWNERS MANUAL FOR

Number on left of slash 3

 

4 5

 

 

 

40

50

60

 

MORE INFORMATION.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

is voltage,numberon 2

 

6

 

30

 

 

70

Select Voltage and Wire Speed Based

right of slash is wire− 1

 

 

 

 

 

20

 

 

80

on Thickness of Metal Being Welded

 

 

 

 

 

10

 

90

speed.“—” means not

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

recommended.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VOLTA GE

 

 

WIRE SPEED

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1/2”

 

3/8”

1/4”

 

3/16”

 

1/8”

 

14 ga. 16 ga.

 

18 ga.

 

 

22 ga.

(12.7mm)(9.5 mm) (6.4 mm) (4.8 mm) (3.2 mm) (2.0 mm) (1.6 mm) (1.2 mm) (0.8 mm)

—

—

6/100

5/85

4/75

3/60

3/50

2/36

1/15

—

5/66

4/58

4/50

3/45

3/36

2/22

2/16

1/0

—

7/70

5/56

5/50

4/44

3/30

3/20

2/10

1/0

—

7/60

5/40

4/36

4/34

3/30

3/25

2/20

—

—

—

5/100

4/85

3/75

3/70

2/50

2/40

1/22

—

7/100

5/76

4/70

3/60

2/46

2/36

1/22

1/8

—

7/82

4/60

4/55

3/48

2/40

2/26

1/10

1/0

7/95

7/60

4/50

4/45

3/46

3/40

2/30

2/22

—

 

 

 

 

 

 

 

 

 

—

—

5/58

4/50

2/30

2/20

1/10

1/0

—

7/90

6/50

4/38

3/30

2/20

2/10

1/0

1/0

—

7/60

5/46

4/30

3/20

2/0

2/0

—

—

—

 

 

 

 

 

 

 

 

 

—

—

—

5/100

4/80

3/60

3/52

2/22

—

—

—

6/90

5/72

4/60

3/38

3/30

2/18

—

—

7/75

5/70

4/64

4/62

3/35

2/20

2/14

—

 

 

 

 

 

 

 

 

 

—

6/50

5/42

5/38

4/34

3/32

—

—

—

—

6/45

5/36

4/28

4/28

3/20

—

—

—

—

6/18

5/16

4/12

4/12

—

—

—

—

—

6/64

5/56

4/54

4/54

3/52

—

—

—

—

6/60

5/54

4/50

4/50

3/40

—

—

—

—

—

—

—

—

—

—

—

—

DriveRolls

Wire Size

Stock No.

 

V−Grooved .024”, .030”/.035”

202925

 

.024”,.045”

407230−004

 

V−Knurled .030”/.035”

193330

 

.039”/.045”,.052”/ 1/16”

193331

Changing Polarity

Wire Drive Assembly

L ead To Positive (+)

O u t p u t Terminal

Work Clamp Lead

To Neg at ive (−)

O u t p u t Terminal

Electrode Negative (DCEN): Reverse lead connections at terminals from that shown above for gasless flux cored wires (FCAW). Drive assembly becomes negative.

M−25Consumables

 

 

 

A) Nozzle

 

A

 

 

.500 orf flush

#200 258

 

 

 

.500 orf recess

#169 724

B

 

 

.625 orf flush

#169 726

 

 

 

 

.625 orf recess

#169 725

 

 

 

.625 orf stickout

#169 727

C

B) Tips

 

 

 

 

 

.023/0.6 mm

#087 299

D

.030/0.8 mm

#000 067

.035/0.9 mm

#000 068

E

 

.045/1.1 mm

#000 069

 

C) Contact Tip Adapter #169 728

F

 

D) Nozzle Adapter

#169 729

 

E) Retaining Ring

#170 467

G

 

F) O−Ring

#170 468

 

 

 

G) Shock Washer

#169 730

 

 

 

H) Head Tube

#160 731

 

 

 

Liners

 

H

.023/.025

#194 010

.030/.035

#194 011

 

 

 

.035/.045

#194 012

 

 

 

#200785C

200 785-C

OM-192 440 Page 23

Page 26 Page 28
Image 27
Page 26 Page 28
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 Principal Safety Standards EMF InformationAbout Pacemakers UNE Décharge Électrique peut entraîner la mort LES Fumées ET LES GAZ peuvent être dangereuxIndique un message de sécurité particulier 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 warrantyWelding Gun Duty Cycle And Overheating Volt-Ampere CurvesDefinition 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 − OperationVoltage switch position Weld ParametersWhile welding To read settings Example 2/40 =Number on left of slash Months Routine MaintenanceDisconnect power before maintaining Supplementary ProtectorsReplacing Drive Roll And Wire Inlet Guide Turn Off powerRemoving Knob From Front Panel 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 Poor Weld Bead Characteristics Good Weld Bead CharacteristicsGun Movement During Welding Possible Causes Corrective Actions Troubleshooting − Excessive SpatterTroubleshooting − Porosity Troubleshooting − Excessive PenetrationTroubleshooting − Lack Of Penetration Troubleshooting − Incomplete FusionTroubleshooting − Burn-Through 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 Service SupportAssistance Hobart Welding Products Contact your Distributor for
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