Related Manuals for LOTOS LT3500
Summary of Contents for LOTOS LT3500
- Page 1 Affordable Tools Achieve More Visit Our Website at: www.uwelding.com @lotostech LT3500 OWNER’S MANUAL Carefully read the operation manual prior to using, Installing and maintaining the electric welding machine. 1 / 21...
- Page 2 IMPORTANT Save This Manual Operation Manual You will need the manual for safety warnings and Carefully read the operation manual prior to using, precautions, assembly instructions, operating and installing and maintaining the electric welding maintenance procedures, parts list and diagram. machine for the purpose of preventing damages Keep your invoice with this manual.
-
Page 3: Table Of Contents
TABLE OF CONTENTS SAFETY WARNINGS AND PRECAUTIONS ....................4 READ ALL INSTRUCTIONS BEFORE USING THIS WELDER............4 ARC WELDER SAFETY WARNINGS & PRECAUTIONS ............... 6 California Proposition 65 Warnings ....................... 8 SPECIFICATIONS ............................9 GENERAL DESCRIPTION ......................9 ... -
Page 4: Safety Warnings And Precautions
SAFETY WARNINGS AND PRECAUTIONS and safer at the rate for which it was PLEASE READ intended. inappropriate UNDERSTAND THE FOLLOWING attachments in an attempt to exceed the SAFETY HIGHLIGHTS. tool capacity. SURE THAT ALL INSTALLATION, OPERATION, MAINTENANCE AND REPAIR Use the right tool for the job. Do not attempt to force a small tool or attachment PROCEDURES ARE PERFORMED ONLY BY to do the work of a larger industrial tool. - Page 5 Disconnect power. Unplug tool when not Maintenance. For your safety, service and in use. maintenance should be performed regularly by a qualified technician. Remove adjusting keys and wrenches. Check that keys and adjustment wrenches Use proper size and type extension cord. are removed from the welder and work area If an extension cord is required, it must be before plugging in.
-
Page 6: Arc Welder Safety Warnings & Precautions
should you get a shock. ARC WELDER SAFETY WARNINGS & PRECAUTIONS FUMES & GASES can be Warning: This product, when used for dangerous welding and similar applications, produces Plasma cutting may produce chemicals to cause cancer and birth defects fumes and gases hazardous to health. Avoid (or other reproductive harm). - Page 7 shielding gas for the process used and ARC RAYS can burn properly operating regulators designed for Avoid body the gas and pressure used. All hoses, damage. Arc rays and infrared fittings, etc. should be suitable for the radiation can cause injury to the application maintained good...
-
Page 8: California Proposition 65 Warnings
CALIFORNIA PROPOSITION 65 WARNINGS Welding cutting equipment For Gasoline Engines: produces fumes or gases which Engine exhaust contains contain chemicals known to the chemicals known to the State of State of California to cause birth defects and, in California to cause cancer, birth some cases, cancer. -
Page 9: Specifications
GENERAL DESCRIPTION The LOTOS LT3500 Plasma Cutter is designed for light cutting projects. This unit is the most compact plasma cutter one can find in the market and weights only 8kg (17.6lbs). In the meantime, this powerful unit is powerful enough to cut 10mm (2/5inch) metal with 15mm (3/5inch) severance thickness, making it an ideal choice for cost conscious DIY hobbyists. -
Page 10: Power Supply Ratings
Duty Cycle is percentage of 10 minutes that unit can weld at rated load without overheating. Production cutting thickness are the results of LOTOS's laboratory testing. Production speeds are approximately 80% of maximum. For optimum cut quality, cutting speeds may vary based on different cutting applications. -
Page 11: Front Control Panel
The unit is connected to the supply even if the Power Switch is in the “OFF” position, and therefore there are electrically live parts inside the power source. Carefully follow the instructions given in this manual. FRONT CONTROL PANEL CONTROLS &... -
Page 12: Installation
Avoid getting dirt and dust in the machine. Failure to observe these precautions can result in excessive operating temperatures and shut down by itself. STACKING LT3500 cannot be stacked. TILTING Place the machine directly on a secure, level surface. The machine may topple over if this procedure is not followed. - Page 13 MACHINE GROUNDING AND HIGH FREQUENCY INTERFERENCE PROTECTION The Capacitor Discharge Circuit used in the high frequency generator, may cause many radio, TV and electronic equipment interference problems. These problems may be the result of radiated interference. Proper grounding methods can reduce or eliminate radiated interference. Radiated interference can develop in the following four ways: 1.
-
Page 14: Wire Input
The Inverter LT3500 must be connected to AC110V±10%, AC120V±10%, 50/60Hz Single phase supply. It Can Be Easily Connected to Your Existing 110/120V Wall Outlet (Circle Breaker Requirement >=30AMP). The rated output of the LT3500 is available when connected to a 30A branch circuit. When connected to a branch circuit with lower amp rating, lower welding current and duty cycle must be used. -
Page 15: Machine Setup
The consumables set of electrode, nozzle and cup should install in order as shown in Figure A.2. The LT3500 can only use genuine LOTOS brand consumables sets of LCON serial. One set of consumables has already been installed in the torch head. - Page 16 OUTPUT CONNECTION (Figure A.3) The plasma cutting torch and ground cable are supplied with the plasma cutter. To connect the cables, turn the Power Switch “OFF”. 1. Plug the major power connector (the wider wire) from the torch cable to the “Cutting Torch” output terminal (5) .
-
Page 17: Operation
Wear eye, ear and body protection. 1. Connect the air compressor to the air filter and regulator as Installation indicates. 2. Install LT3500 plasma cutting torch and ground cable & clamp as Installation indicates, turn the power ON. 3. Adjust the air pressure and make it is adequate to machine, open the valve of pressed air. -
Page 18: Maintenance
MAINTENANCE PLEASE READ AND UNDERSTAND THIS ENTIRE SECTION BEFORE OPERATING YOUR MACHINE. ONLY QUALIFIED PERSONNEL SHOULD OPERATE THIS EQUIPMENT. OBSERVE ALL SAFETY INFORMATION THROUGHOUT THIS MANUAL. ELECTRIC SHOCK can be fatal Have an electrician install and service this equipment. ... -
Page 19: Troubleshooting
TROUBLESHOOTING PLEASE READ AND UNDERSTAND THIS ENTIRE SECTION BEFORE OPERATING YOUR MACHINE. ONLY QUALIFIED PERSONNEL SHOULD OPERATE THIS EQUIPMENT. OBSERVE ALL SAFETY INFORMATION THROUGHOUT THIS MANUAL. ELECTRIC SHOCK can be fatal Service and Repair should only be performed by Trained Personnel. Have a qualified electrician install and service this equipment. - Page 20 PROBLEMS IN PLASMA CUTTING TROUBLESHOOTING PLASMA CUTTING PROBLEMS PROBLEM CAUSE RECOMMENDED ACTION (SYMPTOMS) Turn power switch “ON” Power switch off Check air supply Torch does not Air supply is compromised Attach the ground clamp & cable work ...
-
Page 21: Other Accessories
OTHER ACCESSORIES The following accessories and consumables can be purchased on www.uwelding.com, or call 408-739-2329 to order. TORCH GUN CONSUMABLES ACCESSORIES 21 / 21...