Hobart Welding Products 350LX manual Table of Contents

Page 3

The following terms are used interchangeably throughout this manual:

TIG = GTAW

Stick = SMAW

WARNING

This product, when used for welding or cutting, produces fumes or gases which contain chemicals known to the State of California to cause birth defects and, in some cases, cancer. (California Health & Safety Code Section 25249.5 et seq.)

TABLE OF CONTENTS

SECTION 1 – SAFETY PRECAUTIONS - READ BEFORE USING

1

1-1.

Symbol Usage

1

1-2.

Arc Welding Hazards

1

1-3. Additional Symbols for Installation, Operation, and Maintenance

3

1-4.

Principal Safety Standards

3

1-5.

EMF Information

4

SECTION 1 – CONSIGNES DE SECURITE – LIRE AVANT UTILISATION

5

1-1.

Signification des symboles

5

1-2.

Dangers relatifs au soudage à l’arc

5

1-3.

Dangers supplémentaires en relation avec l’installation, le fonctionnement

 

 

et la maintenance

7

1-4.

Principales normes de sécurité

8

1-5.

Information sur les champs électromagnétiques

8

SECTION 2 – DEFINITIONS

9

2-1.

Warning Label Definitions

9

2-2.

Manufacturer’s Rating Label For CE Products

10

2-3.

Symbols And Definitions

11

SECTION 3 – INSTALLATION

12

3-1.

Selecting A Location

12

3-2.

Dimensions And Weights

13

3-3.

Specifications

13

3-4.

Duty Cycle And Overheating

14

3-5.

Volt-Ampere Curves

14

3-6. Weld Output Terminals And Selecting Cable Sizes

15

3-7.

Remote 14 Receptacle

15

3-8. Shielding Gas Connections And 115 Volts AC Duplex Receptacle

16

3-9.

Electrical Service Guide

17

3-10. Placing Jumper Links And Connecting Input Power

18

SECTION 4 – OPERATION

19

4-1.

Controls

19

4-2.

Output Selector Switch

21

4-3.

Process Control

21

4-4.

Current Control

22

4-5.

Output Control

22

4-6.

Start Mode

23

4-7.

Meters

24

4-8.

Amperage Adjustment Control

24

4-9.

Balance/DIG Control

25

4-10.

Preflow Time Control

26

4-11. Postflow Time Control

26

4-12.

Setting Pulse Controls

27

4-13. High Frequency Control

28

4-14. Optional Sequence Controls

28

4-15. Sequence Selection Switch

29

4-16. Start Time/Spot Time Control And Start Current Control

29

4-17. Crater Time Control And Final Current Control

30

4-18. Start/Crater Sequence Controls

31

4-19. 4T Sequence Selection Controls

32

4-20. Spot Time Control

33

4-21. Timer/Cycle Counter

33

SECTION 5 – MAINTENANCE & TROUBLESHOOTING

34

5-1.

Routine Maintenance

34

5-2.

Circuit Breaker CB1

34

5-3.

Adjusting Spark Gaps

35

5-4.

Voltmeter/Ammeter Help Displays

36

5-5.

Troubleshooting

37

SECTION 6 – ELECTRICAL DIAGRAM

39

SECTION 7 – HIGH FREQUENCY

40

SECTION 8 – PARTS LIST

42

OPTIONS AND ACCESSORIES

 

WARRANTY

 

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Contents OM-356188694J ProcessesDescription From Hobart to You Table of Contents Page 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 eyesPrincipal Safety Standards About Pacemakers EMF InformationLES Fumé ES ET LES GAZ peuvent ê tre dangereux Signification des symbolesConsignes DE Securite Lire Avant Utilisation UN Choc É Lectrique peut tuerLE Soudage peut provoquer un incendie ou une explosion DES Particules Volantes peuvent blesser les yeuxLE Bruit peut affecter l’ouïe DES Organes Mobiles peuvent provoquer des blessures Risque D’INCENDIE OULA Chute DE L’APPAREIL peut blesser ’EMPLOI Excessif peutPrincipales normes de sé curité Information sur les champs é lectromagné tiquesConsignes relatives aux stimulateurs cardiaques Disconnect input plug or power before working on machine DefinitionsKeep your head out of the fumes Manufacturer’s Rating Label For CE Products Symbols And Definitions Location And Airflow InstallationSelecting a Location Movement Falling Unit Can Cause InjurySpecifications Dimensions And WeightsOverheating Duty Cycle And OverheatingVolt-Ampere Curves Minutes Welding Minutes RestingTerminals Weld Output Terminals And Selecting Cable SizesRemote 14 Receptacle ARC Welding can cause Electromagnetic InterferenceNecting to receptacle Turn Off power before conElectrical Service Guide Close and secure primary door Placing Jumper Links And Connecting Input PowerPulse Controls OperationControls For 200/230/460 Volts And Non CE UnitsFor CE Units Output Selector Switch Output Selector SwitchProcess Control Output Control Current ControlWhen HF Continuous is selected, start arc as follows Start ModeWhen Lift-Arc is selected, start arc as follows When HF Start is selected, start arc as followsMeters Amperage Adjustment ControlPreflow Time Control Balance/DIG ControlPostflow Time Control Bkg Amp Setting Pulse ControlsPercent % Peak 50%Optional Sequence Controls High Frequency ControlStart Time/Spot Time Control And Start Current Control Sequence Selection SwitchCrater Time Control And Final Current Control Start/Crater Sequence Controls Sequence Selection Controls Start Sequence Switch 4T PositionSpot Time Control Timer/Cycle CounterMonths Maintenance & TroubleshootingRoutine Maintenance Disconnect power before maintainingAdjusting Spark Gaps Turn Off power before adjusting spark gapsTools Needed 012 in 0.305 mm Voltmeter/Ammeter Help Displays Help 3 Display Indicates the transformer of the unit hasHelp 4 Display There are not user serviceable parts inside unit TroubleshootingCheck for water in torch, and repair torch if necessary Fan not operatingProtect against overheating Circuit Diagram Electrical DiagramWeld Zone Incorrect InstallationHigh Frequency Welding Processes Requiring High FrequencyMetal Building Requirements Correct InstallationNonmetal Building Ground workpiece if required by codes Metal BuildingMain Assembly Parts ListTRANSFORMER/STABILIZER Assembly 200/230/460 Optional 185 Switch, Push Button -1 ItemPage Support ServiceContact your Distributor for Hobart Welding ProductsCall
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