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Summary of Contents for CIGWELD Transarc Tradesman HD
- Page 1 HD Manual Metal Arc Welder Operating Manual Transarc Tradesman HD 625730 Transarc 400S 625740 Issue 1 August, 2000 ©2000 CIGWELD All rights reserved...
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Page 2: Table Of Contents
11. ARC WELDING TECHNIQUE ..................21 12. DISTORTION........................25 13. ROUTINE MAINTENANCE & INSPECTION .............27 14. BASIC TROUBLESHOOTING ..................28 TABLES Table 1 - Filter lens size verses welding current/electrode size ............. 11 Table 2 - Types of Electrodes......................... 18 ©2000 CIGWELD All rights reserved... -
Page 3: Introduction
Throughout this manual, notes, cautions, and warnings are used to highlight important information. These highlights are categorised as follows: NOTE An operation, procedure, or background information which requires additional emphasis or is helpful in efficient operation of the system. ©2000 CIGWELD All rights reserved... - Page 4 ♦ Wear dry gloves and clothing. Insulate yourself from the work piece or other parts of the welding circuit. ♦ Repair or replace all worn or damaged parts. ♦ Extra care must be taken when the workplace is moist or damp. ©2000 CIGWELD All rights reserved...
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Page 5: Electromagnetic Compatibility
♦ Use the shade of lens as recommended in this Operating Manual. 2. ELECTROMAGNETIC COMPATIBILITY WARNING 2 Extra precautions for Electromagnetic Compatibility may be required when this Welding Power Source is used in a domestic situation. ©2000 CIGWELD All rights reserved... - Page 6 Shielding should be electrically continuous throughout it’s length. The shielding should be connected to the Welding Power Source so that good electrical contact is maintained between the conduit and the Welding Power Source enclosure. ©2000 CIGWELD All rights reserved...
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Page 7: General Information
3. GENERAL INFORMATION 3.1 Transarc Tradesman HD The Transarc Tradesman HD is an industrial AC arc welding machine suitable for a wide range of metal fabrication and structural steelwork. The Transarc Tradesman HD has two variable current ranges. The low range supplies 50 to 270 amps at 70 volts open circuit, providing optimum conditions for 5.0mm low hydrogen, cellulose and medium iron powder electrodes. - Page 8 Should such repairs or replacements become necessary, it is recommended that such repairs be carried out by appropriately qualified persons approved by CIGWELD. Advice in this regard can be obtained by contacting accredited CIGWELD Distributor.
- Page 9 CIGWELD. 4. CIGWELD declares that, to the extent permitted by law, it hereby limits its liability in respect of the supply of goods which are not of a kind ordinarily acquired for personal, domestic or household use or consumption to any one or more of the following (the choice of which shall be at the option of CIGWELD).
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Page 10: Safe Practices For The Use Of Welding Equipment
HD Manual Arc Welders WARNING 3 For the purpose of safety and performance and to protect your CIGWELD Equipment Warranty always use genuine CIGWELD replacement parts and accessories. 4. SAFE PRACTICES FOR THE USE OF WELDING EQUIPMENT In many situations the “striking” voltage can be hazardous. Any person touching simultaneously the electrode lead/terminal and the work lead/terminal may receive a serious electrical shock. -
Page 11: Resuscitation For Electric Shock Victims
♦ Paralyse breathing due to paralysis of the centre of respiration in the brain; ♦ Cause burns. The victims often cannot free themselves from the current and may not be able to breathe due to fixation of the chest. ©2000 CIGWELD All rights reserved... - Page 12 7 Check for return of pulse and breathing after 1 minute and at least every 2 minutes. Continue uninterrupted until trained assistance is available. When breathing and pulse return, turn on side and continue observation. ©2000 CIGWELD All rights reserved...
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Page 13: Specifications
HD Manual Arc Welders 6. SPECIFICATIONS 6.1 Transarc Tradesman HD Specifications Description (Refer NOTE 2) Transarc Tradesman HD Product Part Number 625730 Cooling Fan Force Cooled Heavy Duty, Welder Type & Welding process Leakage reactance, Manual Metal Arc Welding Welding Power Source mass... - Page 14 Check local requirements for your situation in this regard. ♣ Generator Requirements at the Maximum Output Duty Cycle. 6.3 Plant Contents Description Transarc Tradesman HD Transarc 400S Welding Power Source Wheeling Kit Operating Manual ©2000 CIGWELD All rights reserved...
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Page 15: Installation Recommendations
♦ Correctly installed, if necessary, by a qualified electrician. ♦ Correctly earthed (electrically) in accordance with local regulations. ♦ Connected to the correct size power point and fuse as per the SPECIFICATIONS on pages 13 and 14. ©2000 CIGWELD All rights reserved... -
Page 16: Operation
The operator should use the welding current range values as a guide, then finally adjust the current setting to suit the application. 8.1 Transarc Tradesman HD Controls On/Off Switch ON/OFF Switch... - Page 17 Before connecting the work clamp to the work and inserting the electrode in the electrode holder make sure the Mains power supply is switched off. CAUTION 2 Remove any packaging material prior to use. Do not block the air vents at the front or rear of the Welding Power Source. ©2000 CIGWELD All rights reserved...
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Page 18: Arc Welding Electrodes
(AS/NZS E312-17) weld even the most problematical jobs such as Crack resistance, springs, shafts, broken joins mild steel to stainless All hard-to-weld and alloy steels. jobs. Not suitable for Aluminium. Table 2 - Types of Electrodes ©2000 CIGWELD All rights reserved... -
Page 19: Arc Welding Practice
HD Manual Arc Welders For HARDFACING of Steels, CIGWELD TOOLCRAFT is an electrode which produces an extremely hard weld deposit. It is ideal for building up axes, wedges, slasher blades, worn cams, rock drills, earth moving and digging equipment, etc. -
Page 20: Figure 1 - Flat Position, Down Hand Butt Weld
In general, surfaces being welded should be clean and free of rust, scale, dirt, grease, etc. Slag should be removed from oxy-cut surfaces. Typical joint designs are shown in Figure 9. ©2000 CIGWELD All rights reserved... -
Page 21: Arc Welding Technique
If the lead is slung over your shoulder, it allows greater freedom of movement and takes a lot of weight off your hand. Be sure the insulation on your cable and electrode holder is not faulty, otherwise you are risking an electric shock. ©2000 CIGWELD All rights reserved... -
Page 22: Figure 10 - Striking An Arc
To complete the joint in thin plate, turn the job over, clean the slag out of the back and deposit a similar weld. ©2000 CIGWELD All rights reserved... -
Page 23: Figure 11 - Butt Weld
Multi-runs can be made as shown in Figure 14. Weaving in HV fillet welds is undesirable. Figure 13 - Electrode position for HV fillet weld Figure 14 - Multi-runs in HV fillet weld ©2000 CIGWELD All rights reserved... -
Page 24: Figure 15 - Single Run Vertical Fillet Weld
(Figure 18). The tip of the electrode may be touched lightly on the metal, which helps to give a steady run. A weave technique is not advisable for overhead fillet welds. Use a 3.2mm Ferrocraft 12XP electrode at 100 amps, and deposit the first ©2000 CIGWELD All rights reserved... -
Page 25: Distortion
(distortion), or the weld may crack, in any case, there will remain “locked-up” stresses in the job. Figure 19 and Figure 20 illustrate how distortion is created. Figure 19 - Parent metal expansion Figure 20- Parent metal contraction ©2000 CIGWELD All rights reserved... -
Page 26: Figure 21 - Principle Of Presetting
Figure 21 - Principle of presetting Figure 22 - Reduction of distortion by preheating ©2000 CIGWELD All rights reserved... -
Page 27: Routine Maintenance & Inspection
• Welding leads and electrode holder are in good condition. • The Welding Power Source is clean internally, especially from metal filing, slag, and loose material. If any parts are damaged for any reason, replacement is recommended. ©2000 CIGWELD All rights reserved... -
Page 28: Basic Troubleshooting
If major complex subassemblies are faulty, then the Welding Power Source must be returned to an Accredited CIGWELD Service Agent for repair. The basic level of troubleshooting is that which can be performed without special equipment or knowledge. -
Page 29: Figure 29 - Examples Of Slag Inclusion
E Electrode too large for joint. E Use smaller gauge electrode. F Insufficient deposit time at edge of F Pause for a moment at edge of weave. weave to allow weld metal build-up. Figure 30 - Examples of undercut ©2000 CIGWELD All rights reserved... -
Page 30: Figure 31 - Example Of Lack Of Fusion
Ensure that the work lead has a reduces when welding work piece. positive electrical connection to the work piece. 14.3 Key Spare Parts WARNING 7 CIGWELD advises that any electrical component should be fitted by a qualified electrical tradesperson. ©2000 CIGWELD All rights reserved...
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