Hobart Welding Products TM-944C manual Specifications, VAC Model

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SECTION 2 − SPECIFICATIONS

2-1. 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

50 − 800 IPM (1.3 − 20.3 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

50 − 850 IPM (1.3 − 20.3 m/min) Feeding Wire

 

 

(0.8 − 0.9 mm)

 

 

 

 

 

 

 

 

 

 

 

 

 

Handler 135 / 175

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TM-944 Page 3

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Contents Description TM-944CProcesses Table of Contents Servicing Hazards − Safety Precautions for ServicingSymbol Usage EMF Information California Proposition 65 WarningsRadiation can cause interference Overuse can cause OverheatingVAC Model − SpecificationsSpecifications 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 Needed700 510600 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 ProtectionReplacing 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 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 195 Optional Drive RollsOptions Hobart Welding Products