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Table of Contents
Troubleshooting
Related Manuals for LOTOS TIG140
Summary of Contents for LOTOS TIG140
- Page 1 LOTOS TIG140 TIG/Stick Welder...
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Page 2: Table Of Contents
TABLE OF CONTENTS SAFETY...………………………………………………………………………..4 SPECIFICATIONS…….………………………………………………………..9 General Description…………………………………………………………..9 What’s Included………………………………………………………………9 Power Supply Rating…..……………………………………………………..10 What You Need to Operate This Machine…………………………………...11 Machine Rear ………………………………………………………………..12 Front Control Panel ………………………………………………………….12 INSTALLATION………………………………………………………………..13 Before Installation……………………………………………………………13 Installation Diagrams………………………………………………………...14 OPERATIONS………………………………………………………………...15 Welding Steps………………………………………………………………16 TROUBLESHOOTING………………………………………………………...17 How to Use the Troubleshooting Guide……………………………………...17 Troubleshooting Welding…………………………………………………….18 OTHER ACCESSORIES……………………………………………………….19... - Page 3 TIG140 TIG WELDER Save this Manual You will need the manual for safety warnings and precautions, assembly instructions, operating and maintenance procedures, parts list and diagram. Keep your invoice with this manual. Write the invoice number and date of purchase on the inside of the manual. Keep the manual and invoice in a safe and dry place for future use.
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Page 4: Safety
SAFETY WARNINGS AND PRECAUTIONS PLEASE READ AND UNDERSTAND THE FOLLOWING SAFETY HIGHLIGHTS. BE SURE THAT ALL INSTALLATION, OPERATION, MAINTENANCE AND REPAIR PROCEDURES ARE PERFORMED ONLY BY QUALIFIED INDIVIDUALS. ARC AND TIG WELDING CAN BE HAZARDOUS. PROTECT YOURSELF AND OTHERS FROM POSSIBLE SERIOUS INJURY OR DEATH. - Page 5 Maintain tools with care. Keep tools sharp and clean for better and safer performance. Follow instructions for lubricating and changing accessories. Inspect tool cords periodically and, if damaged, have them repaired by an authorized technician. The handles must be kept clean, dry, and free from oil and grease at all times.
- Page 6 ELECTROMAGNETIC FIELDS may be dangerous The EMF field that is generated during arc welding may interfere with various electrical and electronic devices such as cardiac pacemakers. Anyone using such devices should consult with their physician prior to performing any electric welding operations.
- Page 7 ARC RAYS can be dangerous Use a shield with the proper filter (a minimum of #11) to protect your eyes from sparks and the rays of the arc when welding or observing open arc welding. Use suitable clothing made from durable flame-resistant material to protect ...
- Page 8 CYLINDER may explode if damaged Use only compressed gas cylinders containing the correct shielding gas for the process used and properly operating regulators designed for the gas and pressure used. All hoses, fittings, etc. should be suitable for the application and maintained in good condition.
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Page 9: Specifications
SPECIFICATIONS GENERAL DESCRIPTION The LOTOS TIG140 is a compact inverter welder that provides DC stick and DC TIG welding capability. It is a welding machine incorporating IGBT and features performance and high efficiency. The welder is ideal for welding tasks where portability and performance are required. -
Page 10: Power Supply Rating
Duty Cycle is percentage of 10 minutes that unit can weld at rated load without overheating. Production weld thickness are the results of Lotos’ laboratory testing. Production speeds are approximately 80% of maximum. For optimum weld quality, welding speeds may vary based on different... -
Page 11: What You Need To Operate This Machine
WHAT YOU NEED TO OPERATE THIS MACHINE? Operating Condition: Voltage of power source: single phase, AC 110V or 240 V±10% Frequency: 50/60Hz Reliable grounding protection Remember: Machine must be grounded to work properly and safely! Work Environment: ... -
Page 12: Machine Rear
MACHINE REAR The unit is connected to the supply even if the Power Switch is on the “OFF” position, and therefore there are electrically live parts inside the power source. Carefully follow the instructions given in this manual. REAR COMPONENTS Power Cord Cooling Fan Power Switch... -
Page 13: Installation
INSTALLATION PLEASE READ ENTIRE INSTALLATION SECTION BEFORE STARTING INSTALLATION. BE SURE THAT ONLY QUALIFIED PERSONNEL SHOULD PERFORM THIS INSTALLATION. __________________________________________________________________ BEFORE INSTALLATION ELECTRIC SHOCK can be fatal Turn the input power OFF and unplug the machine from the receptacle before working on this equipment. -
Page 14: Installation Diagrams
INSTALLATION DIAGRAMS HOLDER HOLDER WORKPIECE WORKPIECE GREEN GROUND (120/240v) RECEPTACLE SIDE L2,WHITE; HOT (240V) L1,BLACK; HOT(240V) WHITE; NEUTRAL (120V) BLACK; HOT (120V) IMPORTANT: While using 120V power, be sure to maintain polarity and use the white wire as the common/neutral, the black as the hot, and the green as the ground or it may malfunction. -
Page 15: Operations
OPERATION PLEASE READ AND UNDERSTAND THIS ENTIRE SECITON BEFORE OPERATING YOUR MACHINE. ONLY QUILIFIED PERSONNEL SHOULD OPERATE THIS EQUIPMENT. OBSERVE ALL SAFETY INFORMATION THROUGHOUT THIS MANUAL. WELDING OPERATIONS ELECTRIC SHOCK can be fatal Have an electrician install and service this equipment. ... -
Page 16: Welding Steps
WELDING STEPS HAND WELDING WITH ELECTRODE (MMA) 1) Set TIG/Stick switch into the “Stick position” 2) Select empiric formula: I = 40*d, d is diameter of the electrode. 3) Note positive and negative connection during welding. DC ARGON ARC WELDING (LIFT TIG) 1) Set TIG/Stick switch into the “TIG position”. -
Page 17: Troubleshooting
TROUBLESHOOTING PLEASE READ AND UNDERSTAND THIS ENTIRE SECTION. SERVICE AND REPAIR SHOULD ONLY BE PERFORMED BY TRAINED PERSONNEL FOR YOUR SAFE, PLEASE OBSERVE SAFETY INFORMATION THROUGHOUT THIS MANUAL. ELECTRIC SHOCK can be fatal Service and Repair should only be performed by a Trained Personnel. Have a qualified electrician install and service this equipment. -
Page 18: Troubleshooting Welding
TROUBLESHOOTING WELDING PROBLEMS RECOMMENDED ACTION Check cords and wiring in the plug. Check circuit breaker. Machine will not turn on Check for sound work clamp connection. Make sure work/Torch cable is securely fastened to Machine runs, but will not weld DINSE connector. -
Page 19: Other Accessories
OTHER ACCESSORIES The following accessories and consumables can be purchased on www.uwelding.com, or call 408-739-2329 to order. ACCESSORIES AAR10 DTE10 TT132 HELMET...
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