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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.  KEEP 
CHILDREN  AWAY.  PACEMAKER  USERS 
SHOULD  CONSULT  WITH  THEIR  DOCTOR 
BEFORE OPERATING. 

WHEN USING THE WELDER, ALL 
BASIC  SAFETY  PRECAUTIONS 
SHOULD ALWAYS BE FOLLOWED 

TO  REDUCE  THE  RISK  OF  PERSONAL 
INJURY AND DAMAGE TO EQUIPMENT. 

READ ALL INSTRUCTIONS BEFORE 

USING THIS WELDER. 

⚫

 

Keep  work  area  clean.

  Cluttered  areas 

invite injuries. 

⚫

 

Observe  work  area  conditions.

  Do  not 

use machine or power tools in damp or wet 
locations. Do not expose to rain. Keep work 
area  well-lit.  Do  not  use  electrically-
powered tools in the presence of flammable 
gases or liquids. 

⚫

 

Keep children away.

 Children must never 

be allowed in the work area. Do not let them 
handle machines, tools or extension cords. 

⚫

 

Store  idle  equipment. 

When  not  in  use, 

tools  must  be  stored  in  a  dry  location  to 
inhibit rust. 

⚫

 

Always lock up

 tools and keep them out of 

the reach of children. 

⚫

 

Do not force tool. 

It will do the job better 

and  safer  at  the  rate  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 intended. 

⚫

 

Dress properly.

 Do not wear loose clothing 

or jewelry as they can be caught in moving 
parts. 

Protective, 

flame 

retardant, 

electrically  non-conductive  clothing  and 
non-slip  footwear  are  recommended  when 
working.  Wear  restrictive  hair  netting  to 
contain long hair. 

⚫

 

Use eye and ear protection.

 Always wear 

ANSI-approved, Arc-shaded, impact safety 
face shield (welding helmet). Always use a 
full-face shield when welding. Always wear 
ANSI-approved eyewear under face shield, 
and while in the workplace. Wear a NIOSH-
approved  dust  mask  or  respirator  when 
working  around  metal,  chemical  dusts, 
fumes and mists. 

⚫

 

Do  not  over  reach. 

Keep  proper  footing 

and balance at all times. Do not reach over 
or across running machines. 

⚫

 

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. 

⚫

 

Disconnect  power. 

Unplug  tool  when  not 

in use. 

Содержание LTP5500D

Страница 1: ...peration manual prior to using installing and maintaining the electric welding machine The contents of this manual may be revised without prior notice and without obligation This instruction manual is issued on 1st Jan 2018 Rev 01 Conforms with EMC Directives 73 23 EEC and 89 336 EEC European Standard EN IEC60974 ...

Страница 2: ...al 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 the 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 as a reference in the fu...

Страница 3: ...WER SUPPLY RATINGS 8 PANEL EXPLANATION 9 DISASSEMBLY DIAGRAM 10 CONSUMABLE TYPE AND INSTALLATION 11 QUICK SETUP GUIDE 12 INSTALLATION 14 MACHINE SETUP 14 OPERATION 16 SAFETY OPERATIONS 16 OPERATION STEPS 17 STARTING A CUT 20 PIERCE A WORK PIECE 21 CUT QUALITY RELATED FACTORS 22 CAUSES OF COMMON HAND CUTTING ISSUES 24 MAINTENANCE 25 TROUBLESHOOTING 26 REFERENCE 27 PSI SETTING REFERENCE TABLE 27 CUT...

Страница 4: ...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 intended Dress properly Do not we...

Страница 5: ...se 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 regularly by a qualified tech...

Страница 6: ...tion wherever it is needed 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 f...

Страница 7: ...her 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 suitable...

Страница 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...

Страница 9: ...gn you are able to cut on any metal surface without having to contact to strike an arc which is ideal for cutting items like expanded metal or uneven surfaces This Cutting machine has a wide range of uses which is suitable for cutting stainless steel alloy steel mild steel copper and other color metal materials There are several other key features on the LTP5500D plasma cutter With the reliable Bl...

Страница 10: ...7 28 WHAT S INCLUDED Power Supply 20ft Torch with Central Connector 10ft Ground Clamp Cable Air Hose Consumables Instruction Manual ...

Страница 11: ...w Timer 15 Seconds Minimum Air Compressor Requirement 4 5 CFM 80 psi 30 60 Gallon reserve Duty Cycle Over Current Protection Yes Minimum Operating Air Pressure Safety Cut Out Threshold 35 psi Recommended Operating Air Pressure Set with Air Flow set to Constant Flow 40 70 psi Maximum Supplied Air Pressure From Compressor Tank 75 psi Ideal Cut Thickness Hand Torch 5 8 16mm 1 3 8mm Max Severance Cut ...

Страница 12: ... 4 Air check indicator it illuminates when the machine is under air check status At this moment the machine cannot cut Normal cutting mode the machine can cut when this indicator illuminates 5 2T indicator torch switch when the machine is under 2T status With the 2T option selected press the trigger to fire the torch You need to hold the trigger while continuing to cut Release the trigger to stop ...

Страница 13: ...10 28 DISASSEMBLY DIAGRAM ...

Страница 14: ... 28 CONSUMABLE TYPE AND INSTALLATION The LOTOS LTP5500D uses the high quality stand PT60 Non HF Plasma torch with EU type central adaptor Standoff guide Shield Cup Cutting Nozzles Cutting Electrodes Swirl ...

Страница 15: ...12 28 QUICK SETUP GUIDE PLEASE READ ENTIRE INSTALLATION SECTION BEFORE STARTING INSTALLATION BE SURE THAT ONLY QUALIFIED PERSONNEL PERFORM THIS INSTALLATION ...

Страница 16: ...the IPT60 Plasma torch to the machine Insert the torch connection into the torch connection receptacle at the front of the machine and fasten tightly Caution Do not to bend the pins located inside the torch connector 2 Connect the earth lead to the output terminal of the machine and Tighten 4 Connect the machine to the correct power supply and switch on the machine using the on off switch located ...

Страница 17: ...ne is long lasting and reliable in 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 restricted Avoid getting dirt and dust in the machine Failure to observe these precautions can result in excessive operating temperatures and the machine will shut down by itself ENVIRONMENTAL AREA Keep the machine dry Do not pla...

Страница 18: ...onnector is fully seated against the stop in order to achieve an optimal electrical connection Caution Ensure the work lead is fully seated in the receptacle to prevent overheating CHECK Check if cutting machine is grounded reliably and according to standard Check if all connectors are connected firmly Check if power voltage is correct NOTE THE FOLLOWING Ensure that the work clamp and the work pie...

Страница 19: ...ow machine to sit for a minimum of five minutes to allow the power capacitors to discharge before working inside this machine Do not touch electrically hot parts Turn the input power OFF and unplug the machine from the receptacle before working on this equipment FUMES AND GASES can be dangerous Keep your head out of fumes Use ventilation or exhaust to remove fumes from breathing zone WELDING SPARK...

Страница 20: ...ut Release the trigger to stop the arc Adjust the air flow Set the mode switch to Air Check mode Adjust your air compressor s output air flow and pressure and make it is adequate to machine open the valve of your air compressor Adjust the Pressure Reducing Valve 11 and set the input PSI for your cutting Set the output AMPs Turn the adjustment knob 7 to change the amperage Make sure cutting current...

Страница 21: ...ar eyes protection a 5 shade is the minimum eyes protection with other shade required depending on amperage a face shield is also recommended 2 Connect the earth clamp securely to the work piece or the work bench 3 place and hold the torch vertical at the edge of the plate 4 Pull the trigger to energize the pilot arc The cutting arc will start when the nozzle is moved closer to the edge of the wor...

Страница 22: ...ure that sparks exit from the bottom of the work piece The sparks should lag slightly behind the torch as you cut 15 30 angle from vertical If sparks spray up from the work piece move the torch at a slower pace or set the output current higher With either the 75 degree or 15 degree hand torch hold the torch nozzle perpendicular to the work piece so that the nozzle is at a 90 angle to the cutting s...

Страница 23: ...k piece 3 Drag the torch across the work piece to proceed with the cut smoothly Maintain a steady even pace Make sure the arc cuts completely through the work piece When cutting make sure that sparks are exiting from the bottom of the work piece If sparks are spraying up from the work piece you are moving the torch too fast or you don t have enough amps set Hold the torch vertical and watch the ar...

Страница 24: ...and the work piece should be within 1 16 inch 1 5 mm 2 Fire the torch Slowly rotate the torch to from 30 to 90 3 Hold the torch in place while continuing to press the trigger When the arc goes completely through the work piece then the arc has pierced the material 4 When the pierce is complete drag the torch lightly along the work piece to proceed with the cut ...

Страница 25: ...material without cutting all the way through Because the arc trails at an angle at the end of a cut slow your cutting speed and angle the torch in to cut through the last bit of metal Direction It is easier to pull the torch towards you than push it The plasma stream swirls as it exits the tip biting one side and finishing off on the other leaving a beveled edge and a straight edge The bevel cut e...

Страница 26: ... consumable life span Compressors take in air at atmospheric pressure and increase the pressure and store it in a tank Humidity in the air is condensed in the tank and in the airlines producing water more so in humid environments Moisture that forms in air lines has a tendency to condense into larger drops when the air pressure decreases as it is entering the plasma torch When these droplets enter...

Страница 27: ... piece Gouging consumables are installed instead of cutting consumables The work clamp is not attached properly to the work piece The air pressure is too low or the air flow rate is not high enough Cut quality is poor This can be caused by The amperage setting is too low for the thickness of the work piece Your cutting speed is too quick or too slow Consumables life is shorter than expected This c...

Страница 28: ... components Check the electric connectors and make sure the connectors are connected firmly specially connect and insert components tighten the connectors Avoid water getting into machine and prevent machine becoming damp or the machine must be dried in time and measured insulation by meter After there is no problem the machine can be operated If the machine will not be used for a long time it sho...

Страница 29: ...king However pressing the trigger of the torch there is no arc striking and inter red LED light is on need to remove the cover 1 The IGBT on the PCB board is damaged driver module is damaged 2 Voltage rising transformer on the PCB board is damaged 3 Control module is damaged Contact LOTOS for repair Digital display is on fan is working and Airflow comes out while press the trigger on the torch How...

Страница 30: ... 86 61 2200 45 60 3 16 5 62 99 1600 45 60 1 4 6 47 24 1200 50 65 1 3 8 43 31 1100 55 70 2 5 10 39 37 1000 Stainless AMPS PSI Material Thickness Torch to Work Distance Optimum Cut Speed Inch mm Inch mm IPM mm min 20 30 26GA 0 5 0 06 1 5 188 98 4800 30 40 16GA 1 6 88 19 2240 40 55 10GA 3 4 69 29 1760 45 60 3 16 5 50 39 1280 45 60 1 4 6 37 80 960 50 65 1 3 8 34 65 880 55 70 2 5 10 31 50 800 Aluminum ...

Страница 31: ...28 28 CONSUMABLES The following accessories and consumables can be purchased on www uwelding com or call 408 739 2329 to order Cutting Consumables Set NCON21 NCON12 ...

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