arcweld K69021-7 Operator'S Manual Download Page 5 | Manualshive

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SAFETY

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Summary of Contents for K69021-7

Page 1: ...Copyright 2015 The Shanghai Lincoln Electric Company Safety Depends on You arcweld machine is designed and built with safety in mind However your overall safety can be increased by proper installatio...

Page 2: ...your equipment identification information in the table below Model Name Code Serial Number can be found on the machine rating plate Model Name arcweld TIG 201 AC DC Code Serial number Date Where Purch...

Page 3: ...ng and or warn them not to watch the arc nor expose themselves to the arc rays or to hot spatter or metal ELECTRIC SHOCK can kill 3 a The electrode and work or ground circuits are electrically hot whe...

Page 4: ...in accordance with the national standards and the manufacturer s recommendations WELDING SPARKS can cause fire or explosion 6 a Remove fire hazards from the welding area If this is not possible cover...

Page 5: ...iii SAFETY iii...

Page 6: ...iv SAFETY iv...

Page 7: ...king the arc Adopted synchronous pulse arc maintenance circuit and dynamic voltage clamping circuit so as to avoid arc breaking issues during the AC TIG welding process Safety efficiency From a machin...

Page 8: ...OUTPUT RANGE INPUT POWER Welding Mode Welding Current Range Open Circuit Voltage Welding Voltage Range 1 220V MMA 10A 170A 68V 13V VRD 20 4 V 26 8V GTAW 10A 200A 10 4 V 18V OTHER PARAMETERS Power Fact...

Page 9: ...reference PIN DESCRIPTION WIRE 1 Switch Black 2 Switch White 3 Resistor up Green 4 Resistor middle Yellow 5 Resistor down Red For the safety and reliability of the electrical connection the terminal...

Page 10: ...ent A I1 10 170 10 200 Base Current of I1 I2 10 90 10 90 Slop Down Time S TDOWN 0 10 Crater Current A IE 10 200 Postflow Time S 0 30 PULSE FREQUENCY Hz 0 1 800 0 1 800 PULSE RATIO 10 90 10 90 AC FREQU...

Page 11: ...ect the operation of RF controlled equipment which may result in bodily injury or damage to the equipment CAUTION WARNING INPUT CONNECTIONS ELECTRIC SHOCK can kill Have a qualified electrician install...

Page 12: ...TPUT CONNECTIONS A quick disconnect system using twist mate cable plugs is used for the welding cable connections Refer to the following sections for more information on connecting the machine for ope...

Page 13: ...dapter of gas hose to the gas outlet on the case front of machine to be used Also connect the trigger male connector to the female connector on the case front Figure B 3 Figure B 4 STRIKING ARC OF TIG...

Page 14: ...ding 4T For 4 step operation of long welding DATA LOADING AND RECALL SWITCH Loading 20 of set modes can be saved Recall operator can use saved procedures ENCODER SWITCH SETTING The switch can be turne...

Page 15: ...time peak current slope down time crater current and postflow time PREFLOW TIME SETTING In order to protect the workpiece and the tungsten from contamination and burnout set the preflow time to let a...

Page 16: ...150 220 180 250 4 4 4 4 5 5 5 5 DEOXIDIZED COPPER DC 1 0 1 6 2 4 3 2 4 0 4 8 6 4 1 6 2 4 2 4 3 2 3 2 4 0 3 2 4 0 4 8 4 0 4 8 4 0 4 8 6 4 1 6 1 6 2 4 2 4 3 2 3 2 4 8 4 0 4 8 4 8 6 4 4 8 6 4 60 90 80 12...

Page 17: ...G PULSE OPERATION PARAMETERS SETTING Choose the DC TIG mode and Pulse welding function LIFT HF 2T 4T adjust the preflow time initial current slope up time peak current base current slope down time cra...

Page 18: ...T A BASE CURRENT A PULSE FRE HZ PULSE RATIO MILD STEEL 0 1 2 1 6 200 150 130 50 20 20 2 5 1 5 1 50 45 50 60 30 15 STAINLESS STEEL 0 1 2 1 6 2 0 150 150 130 130 50 20 20 20 3 1 0 8 0 8 50 35 30 30 80 1...

Page 19: ...wears more easily Usually suggest the low EP ratio MATERIAL WORKPIECE THICKNESS mm ELECTRODE mm ROD FILLER mm CURRENT A FLOW RATE Argon L min ALUMINIUM AC 1 0 1 6 2 4 3 2 4 0 4 8 6 4 1 6 1 6 2 4 1 6...

Page 20: ...5 1 50 1 6 180 25 1 50 1 6 6 0 200 25 1 50 1 6 3 0 120 25 1 50 1 6 6 AC TIG MIX OPERATION PARAMETERS SETTING Choose the AC TIG mode MIX welding function LIFT HF 2T 4T adjust the preflow time initial c...

Page 21: ...ace the display PCB Check fan is operating normally If the fan is damaged replace immediately If the fan does not rotate after the arc welding machine is overheated check if something is blocking the...

Page 22: ...for a short time after the molten pool is filled in by metal take to the side for crater Prorosity There is some contamination on the work piece surface and groove The coating of electrode is damp Un...

Page 23: ...ible symptoms that the machine may exhibit Find the listing that best describes the symptom that the machine is exhibiting Step 2 POSSIBLE CAUSE The third column labeled POSSIBLE CAUSE lists the obvio...

Page 24: ...hine Check the main circuit inside machine 5 No welding output Welding cable is not connected to the output terminals Connect the welding cable to the output terminals Welding cable is broken Repair o...

Page 25: ...current protection circuits work Check if the input power is correct Output is in the short circuit situation Check and fix the short circuit issue outside machine The circuit for undervoltage and ove...

Page 26: ...E 1 DIAGRAM E 1...

Page 27: ...NOTE THE SHANGHAI LINCOLN ELECTRIC COMPANY No 195 Lane 5008 Hu Tai Rd Baoshan Shanghai PRC 201907 www lincolnelectric com cn...

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