Hobart Welding Products TM-944C manual Dia Part Mkgs Description Quantity

Page 45

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

. . .

. . . . . . . . .

. . . . .

. . . . 203 390

. . KEY, woodruff l (115 VAC model Prior to LC175022 or

 

 

 

 

 

230 VAC model Prior to LC155844)

. . . 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

Handler 135 / 175

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TM-944 Page 43

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Contents TM-944C ProcessesDescription Table of Contents − Safety Precautions for Servicing Symbol UsageServicing Hazards EMF Information California Proposition 65 WarningsRadiation can cause interference Overuse can cause Overheating− Specifications SpecificationsVAC Model Output Duty Cycle And OverheatingDuty Cycle % Output AmperesVolt-Ampere Curves Installing Welding Gun Installing Work Clamp − InstallationFor Solid Wire Electrode Negative For Flux Core WireProcess/Polarity Table Changing PolarityInstalling Gas Supply Grounded Receptacle Rating LabelVolt, 20 ampere individual Up to 200 ft 61 m18 in 457 mm of space for airflow Do not move or operate unit where it could tip= GND/PE L2 L1 230 VACInstalling Wire Spool And Adjusting Hub Tension Electrical Service Guide For 230 VAC Model230 Reference 1996 National Electrical Code NECPressure Indicator Scale Threading Welding WireBe sure that tip matches wire diameter Reinstall contact tip and nozzlePower Switch Voltage Switch− Operation ControlsWeld Parameter Chart For 115 VAC Model Wire Speed Also Depends on Other variables Such Stick Out Starting Value only − Wire Speed Setting Can beElectrode Positive For Solid Wire WhileWeld Parameter Chart For 230 VAC Model Metal Etc Listed Starting Value Only − Wire Speed Setting can be− Theory of Operation Stablizer L1 Block Wire Drive MotorMain PolarityTroubleshooting Table − TroubleshootingClear blockage in gun GS1 if necessaryTM-944 V8/R5 V9/R6 V10 V11/R9585 030/.035 SolidOr Flux Core 640Handler 135 Test Equipment Needed510 600700 Control Board PC1 Testing Information 115 VAC Model Circuit common Control Board PC1 Test Point Values 115 VAC ModelControl Board PC1 Testing Information 230 VAC Model Control Board PC1 Test Point Values 230 VAC Model Routine Maintenance − MaintenanceDisconnect power before maintaining Overload Protection Drive Motor ProtectionChanging Drive Roll Or Wire Inlet Guide Turn Off power before replacing contact tipReplacing Gun Contact Tip Cleaning Or Replacing Gun Liner Disconnect gun from unitTo Reassemble Gun Replacing Switch And/Or Head Tube Model Serial Or Style Number Circuit Diagram Wiring Diagram − Electrical Diagrams194 324-C 194 325-A 196 637-A 196 655-A 195 890-A 195 891-A Handler 135 H-10 Gun 11 10 − Parts ListDia Part Mkgs Description Quantity Optional Optional Drive Rolls Options195 Hobart Welding Products
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