LOTOS LT3500 Owner'S Manual Download

Page: 1 / 21

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.

Summary of Contents for 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 ...

Page 2: ...anual Write 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 Operation Manual Carefully read the operation manual prior to using installing and maintaining the electric welding machine for the purpose of preventing damages such as fire electric shock and etc from occurring Please keep the manual for the reference in the ...

Page 3: ...IONS 6 California Proposition 65 Warnings 8 SPECIFICATIONS 9 GENERAL DESCRIPTION 9 WHAT S INCLUDED 9 POWER SUPPLY RATINGS 10 FRONT CONTROL PANEL 11 MACHINE REAR 11 INSTALLATION 12 BEFORE INSTALLATION 12 WIRE INPUT 14 MACHINE SETUP 15 OPERATION 17 MAINTENANCE 18 MACHINE SETUP 18 ROUTINE MAINTENANCE 18 TROUBLESHOOTING 19 OTHER ACCESSORIES 21 ...

Page 4: ...for which it was intended Do not use inappropriate attachments in an attempt to exceed the tool capacity Use the right tool for the job Do not attempt to force a small tool or attachment to do the work of a larger industrial tool There are certain applications for which this welder was designed Do not modify this welder and do not use this welder for any other purposes for which it was not intende...

Page 5: ...se accessories intended for use with this welder Approved accessories are available from www uwelding com Do not operate tool if under the influence of alcohol or drugs Read warning labels on prescriptions to determine if your judgment or reflexes are impaired while taking drugs If there is any doubt do not operate the welder Maintenance For your safety service and maintenance should be performed ...

Page 6: ...d insulation Never dip the electrode in water for cooling When working above floor level use a safety belt to protect yourself from a fall should you get a shock Plasma cutting may produce fumes and gases hazardous to health Avoid breathing these fumes and gases When cutting keep your head out of the fume Use enough ventilation and or exhaust at the arc to keep fumes and gases away from the breath...

Page 7: ... other nearby personnel with suitable non flammable screening and or warn them not to watch the arc nor expose themselves to the arc rays or to hot spatter or metal 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 suita...

Page 8: ...rth defects or other reproductive harm Wash hands after handling For Gasoline Engines Engine exhaust contains chemicals known to the State of California to cause cancer birth defects or other reproductive harm For Diesel Engines Diesel engine exhaust and some of its constituents are known to the State of California to cause cancer birth defects and other reproductive harm PLEASE READ THIS OPERATIO...

Page 9: ...s powerful enough to cut 10mm 2 5inch metal with 15mm 3 5inch severance thickness making it an ideal choice for cost conscious DIY hobbyists 35 amp digital inverter plasma cutter 110V Automatic dual frequency 50 60Hz Compact size ultimate portability and efficient cooling fan system Suitable for Stainless Steel Alloy Steel Mild Steel Copper and Aluminum etc WHAT S INCLUDED Power Supply Plasma Cutt...

Page 10: ...l free air Recommended Pressure Flow Rate 0 6 0 75Mpa 3 0scfm 70psi Pilot Arc Start Mode High Frequency Maximum Severance Cutting Thickness2 15mm 3 5inch Material2 Mild Steel Normal Cut 10mm 2 5inch 35A Stainless Steel Aluminum Warranty New Unit 1 Year Warranty Refurbished Unit 60 Day Warranty 1 Duty Cycle is percentage of 10 minutes that unit can weld at rated load without overheating 1 Productio...

Page 11: ...ight is on It will stay on until the machine has sufficiently cooled down 2 Power indicator light indicates the machine is power on CONTROLS SETTINGS 1 Digital Display 2 Current Adjust Knob 3 Temperature Warning Light1 4 Power Indicator Light2 5 Torch Power Connection Electrode Negative 6 Ground Cable Clamp Connection Electrode Positive 7 Torch Trigger Control Connection REAR CONTROL PANEL A Unit ...

Page 12: ...es Do not remove or defeat the purpose of the power cord ground pin SELECT SUITABLE LOCATION The machine will operate in harsh environments Even so it is important that standard measures are followed in order to assure the machine is long lasting and reliable operation The machine must be located where there is open space such that the air circulation in the back and out the front will not be rest...

Page 13: ...h ends of the conduit should be connected to a driven ground and the entire length should be continuous Keep the work and electrode leads as short as possible and as close together as possible Lengths should not exceed 25 feet 7 6m Tape the electrode and work leads together into one bundle when practical Be sure the torch and work cable rubber coverings are free of cuts and cracks that allow high ...

Page 14: ...that is grounded according to the National Electrical Code and local codes Do not remove or defeat the purpose of the power cord ground pin Be sure the voltage phase and frequency of the input power is as specified on the rating plate located on the backboard of the machine CONNECTION PROCEDURE The Inverter LT3500 must be connected to AC110V 10 AC120V 10 50 60Hz Single phase supply It Can Be Easil...

Page 15: ...ndustry 1 4 NPT Male Coupler Quick Connector It can be easily connected to your air compressor The installed rear is shown in Figure A 1 CYLINDER could explode if damaged Keep cylinder upright and chained to a support Keep cylinder away from areas where it could be damaged Never allow the torch or welding electrode to touch the cylinder Keep cylinder away from live electrical circuits Consumables ...

Page 16: ...e into the 2 pin socket marked as Switch 7 Turn the outer metal shell clockwise to tighten 3 Connect the ground cable clamp to the Earth Clamp output terminal 6 and turn it clockwise to tighten To minimize high frequency interference refer to Machine Grounding and High Frequency Interference Protection section of this manual for the proper procedure on grounding the work clamp and work piece To av...

Page 17: ...r 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 The recommended air pressure is 0 6 0 75Mpa gas flow is 3 0scfm 70psi Note that if lower the pressure too much the consumables damage 4 Adjust output curre...

Page 18: ...d off However the user must allow the machine to sit for at least 5 minutes to allow time for the process to take place ROUTINE MAINTENANCE Routine maintenance will prevent metal powder from accumulating near the aeration fins and over them Each Use Each time you use the plasma cutter check the Torch Tip Nozzle Electrode Swirl Ring and Shield Cup Inspect Torch for any wearing cracks or exposed wir...

Page 19: ...pair possible machine malfunctions Simply follow the three step procedure listed below Step 1 LOCATE PROBLEM SYMPTOM Look under the column labeled PROBLEM SYMPTOMS This column describes possible symptoms that the machine may exhibit Find the listing that best describes the symptom that the machine is exhibiting Step 2 POSSIBLE CAUSE The second column labeled POSSIBLE CAUSE lists the obvious extern...

Page 20: ...grounding Reduce speed Dross build up on parts of cuts Tool and material build up heat Cutting speed is too slow or current is too high Torch parts are worn Allow material to cool down and then continue to cut Increase speed or reduce current until dross is reduced to minimum Inspect and repair replace worn parts Insufficient penetration Torch is tilted too much Metal is too thick Torch parts are ...

Page 21: ...21 21 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 ...

Search results

Summary of Contents for LT3500

Reviews:

Related manuals for LT3500

Brands by name

Popular brands

LOTOS LT3500, Owner'S Manual

Search results

Summary of Contents for LT3500

Reviews:

Related manuals for LT3500

Brands by name

Popular brands