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OPERATORS' MANUAL
DIGI-ARC DC INVERTER
Part No. 9021H DIGI-ARC 175LT
Part No. 9023H DIGI-ARC 205LT
IMPORTANT
Please read these instructions carefully before attempting to use this equipment.
Retain this manual and keep it to hand for quick reference. Pay particular attention to the safety instructions.
Contact your distributor if you do not fully understand this manual.
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Summary of Contents for SWP Stealth DIGI-ARC 9021H
- Page 1 OPERATORS’ MANUAL DIGI-ARC DC INVERTER Part No. 9021H DIGI-ARC 175LT Part No. 9023H DIGI-ARC 205LT IMPORTANT Please read these instructions carefully before attempting to use this equipment. Retain this manual and keep it to hand for quick reference. Pay particular attention to the safety instructions. Contact your distributor if you do not fully understand this manual.
- Page 2 Mild steel, stainless steel and aluminium Every effort has been made to ensure that this manual has been prepared accurately, however errors and omissions are excepted. STEALTH is a trademark of Specialised Welding Products Ltd. T: 01942 719930 I E: sales@swp.uk.net I W: www.specialisedwelding.co.uk...
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Page 3: Table Of Contents
INSTALLATION & ADJUSTMENT 5.1 INSTALLATION 5.2 OPERATION 5.3 WELDING TABLE OPERATION NOTICES 6.1 INSTALLATION 6.2 SAFETY MAINTENANCE MACHINE SET UP - STICK/MMA MACHINE SET UP - TIG-LIFT 10. TROUBLESHOOTING & SERVICE 11. DIAGRAM T: 01942 719930 I E: sales@swp.uk.net I W: www.specialisedwelding.co.uk... -
Page 4: Safety
Data Sheets. Safety precautions Users of SWP equipment are responsible for ensuring that anyone who works with, on, or is near the equipment, observes all the relevant safety precautions relevant to that equipment. The following recommendations should be observed in conjunction with the Health and Safety regulations that apply to the workplace where the equipment is in use. - Page 5 ARC RAYS - Can injure eyes and burn skin Protect your eyes and body. Use the correct welding screen and filter lens and wear protective clothing. Protect bystanders with suitable screens or curtains. T: 01942 719930 I E: sales@swp.uk.net I W: www.specialisedwelding.co.uk...
- Page 6 As the person resposible for the equipment, it is your responsibility to dispose of equipment accordingly. For further information, contact Specialised Welding Products Ltd. T: 01942 719930 I E: sales@swp.uk.net I W:www.specialisedwelding.co.uk...
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Page 7: Summary
The Stealth DIGI-ARC has a high duty cycle – even at 40ºC – for continuous operation. The machine is very stable and keeps working under high temperature and corrosive environments. 3. BOX CONTENTS Stealth DIGI-ARC DC Inverter 3m Earth Return Lead 3m Electrode Lead Manual T: 01942 719930 I E: sales@swp.uk.net I W: www.specialisedwelding.co.uk... -
Page 8: Operation Controls And Connectors
Alarm light: indicator light comes if voltage or overheating occurs inside the machine. Current digital display. Power switch: power on and power off. Fan: assists cooling. Power access client: access to cable. Conversion switch: choose LIFT TIG; choose MMA. T: 01942 719930 I E: sales@swp.uk.net I W: www.specialisedwelding.co.uk... -
Page 9: Installation & Adjustment
A cross-sectional area should be larger to reduce cable voltage drop. According to the standard pre-set welding electrode current, the electrode clip will be sufficient and you can use short-circuit arc welding. For welding parameters refer to 6.3. T: 01942 719930 I E: sales@swp.uk.net I W: www.specialisedwelding.co.uk... -
Page 10: Welding Table
The welding voltage within the circuit will automatically compensate to ensure the welding current is in the permitted range. If the voltage exceeds the allowable value it can damage the machine. The welder should be fully aware of this and take appropriate preventive measures. T: 01942 719930 I E: sales@swp.uk.net I W: www.specialisedwelding.co.uk... -
Page 11: Maintenance
Regularly inspect the cable insulation for damage. In the event of any damage wrap or replace the cable. When not using the machine, place back in the case and keep in a dry environment. T: 01942 719930 I E: sales@swp.uk.net I W: www.specialisedwelding.co.uk... -
Page 12: Machine Set Up - Stick/Mma
Electrode Holder connector into the positive terminal. DCEN/Straight Polarity (most common application) Earth clamp connector into the positive terminal. Electrode Holder connector into the negative terminal. Note: Pictures may vary from your machine model. T: 01942 719930 I E: sales@swp.uk.net I W: www.specialisedwelding.co.uk... - Page 13 flux covering). Holding the electrode too closely to the joint decreases welding voltage, which creates an erratic arc that may extinguish itself. FLUX COATING Start Finish WORK PIECE WORK PIECE WORK PIECE T: 01942 719930 I E: sales@swp.uk.net I W: www.specialisedwelding.co.uk...
- Page 14 (or before the next weld pass is deposited). The process allows only short lengths of weld to be produced before a new electrode needs to be inserted in the T: 01942 719930 I E: sales@swp.uk.net I W: www.specialisedwelding.co.uk...
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Page 15: Power Source
Electrodes can be operated with AC and DC power supplies. Not all DC electrodes can be operated on AC power sources; however AC electrodes may be used on either AC or DC T: 01942 719930 I E: sales@swp.uk.net I W: www.specialisedwelding.co.uk T: 01942 719930 I E: sales@swp.uk.net I W:www.specialisedwelding.co.uk... -
Page 16: Machine Set Up - Tig-Lift
Dinse Connector to the Negative Output the OFF position. Connection Socket, the Gas hose to the Gas Output and the TIG Torch Control Socket and screw the nut up firmly. T: 01942 719930 I E: sales@swp.uk.net I W: www.specialisedwelding.co.uk... - Page 17 Ensure the Gas regulator is in the off position. Setup continues on the next page. Connect earth clamp firmly to work-piece ensuring that the clamp makes good contact with bare metal. T: 01942 719930 I E: sales@swp.uk.net I W: www.specialisedwelding.co.uk...
- Page 18 We recommend that you close the cylinder valve when the machine is not in use. SWP authorised representatives or agents of SWP will not be liable or responsible for the loss of any gas. SCRATCH START ARC...
- Page 19 (machined rather than hand-prepared), joint fit-up and control of welding parameters. GAS LENS TUNGSTEN ELECTRODE FILLER WIRE WORK PIECE WORK PIECE T: 01942 719930 I E: sales@swp.uk.net I W: www.specialisedwelding.co.uk...
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Page 20: Tig Welding
Because the electrode is not consumed during welding, the welder does not have to balance the heat input from the arc as the metal is deposited from the melting electrode. When filler metal is required, it must be added separately to the weldpool. T: 01942 719930 I E: sales@swp.uk.net I W: www.specialisedwelding.co.uk... - Page 21 The welding arc can be started by scratching the surface, forming a short-circuit. It is only when the short-circuit is broken that the main welding current will flow. However, there is a risk that the electrode may stick to the surface and cause a tungsten inclusion in the weld. T: 01942 719930 I E: sales@swp.uk.net I W: www.specialisedwelding.co.uk...
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Page 22: Troubleshooting & Service
Check if the thermal switch is damaged and replace if necessary. Welding clamp current is too small. Replace with Hot welding clamp larger clamp. Check +/– polarity is correct for welding Welding arc flares process. T: 01942 719930 I E: sales@swp.uk.net I W: www.specialisedwelding.co.uk... -
Page 23: Diagram
STEALTH DIGI-ARC DC INVERTER T: 01942 719930 I E: sales@swp.uk.net I W: www.specialisedwelding.co.uk... - Page 24 Unit 1, Withins Point, Withins Road, Haydock Industrial Centre, Haydock, WA11 9UD, UK T +44 (0) 1942 719930 I E sales@swp.uk.net I W www.specialisedwelding.co.uk Social Media - Find us on Facebook, Instagram and LinkedIn - just search Specialised Welding Products Ltd...
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