YATO YT-81352, Owner'S Manual

Page 1: ...mpletely before attempting to use this equipment Save this manual and keep it handy for quick reference Pay particular attention to the safety instructions we have provided for your protection Contact...

Page 2: ...MMA take YT 81352 for an example 8 4 Operation control and connectors 9 4 1 Layout for front rear panel example for YT 81352 9 4 2 parameters adjustment 10 4 3 Welding operation 10 4 3 1 Striking arc...

Page 3: ...achine power please maintain and examine the equipment according to 5 because of the DC voltage existing in the electrolytic capacitors ELECTRIC SHOCK CAN KILL y Never touch electrical parts y Wear dr...

Page 4: ...hich require special ventilation such as stainless or hard facing or on lead or cadmium plated steel and other metals or coatings which produce highly toxic fumes keep exposure as low as possible and...

Page 5: ...elding area If this is not possible cover them to prevent the welding sparks from starting a fire Remember that welding sparks and hot materials from welding can easily go through small cracks and ope...

Page 6: ...or any other electrically hot parts to touch a cylinder y Keep your head and face away from the cylinder valve outlet when opening the cylinder valve y Valve protection caps should always be in place...

Page 7: ...uation to the current accurate stepless current adjustment and pre setting function There are also some automatic protection functions for under voltage over heat etc inside the welders when the probl...

Page 8: ...t positive feedback control Single phase AC DC AC DC 220 230V 50 60Hz AC DC 2 3 Volt Ampere Characteristic YT series welders have excellent volt ampere characteristic seeing the following graph In MMA...

Page 9: ...3 2 Duty cycle Over heat The letter X stands for duty cycle which is defined as the proportion of the time that a machine can work continuously within a certain time 10 minutes The rated duty cycle m...

Page 10: ...INSTALLATION AND ADJUSTMENT 3 3 Welding polarity connection way 3 3 1 MMA Connection DCEP is only supported YT 81352 YT 81353 workpiece electrode DCEP Welding holder 8...

Page 11: ...lding mode key 5 Earth connection Negative polarity output 6 Welding connection Positive polarity output 7 Value display Display the pre setting and realtime parameter value 8 VRD lamp VRD parameter i...

Page 12: ...t accurately Change the welding mode by pressing the welding mode key Switch on or off the VRD function by pressing the knob for 3 seconds 4 3 Welding operation 4 3 1 Striking arc way z Knocking arc t...

Page 13: ...fer to Welding Dictionary P69 Volume 1 of Edition 2 4 4 Welding parameters 4 4 1 Joint form in MMA In MMA welding the common basic joint form butt joint lap joint corner joint T joint 4 4 2 Electrode...

Page 14: ...rs Undercut Over current Arc length is too long The electrode angle is wrong Manipulation of electrode is not proper Choosing the proper welding current speed The arc can t be drawn too long The elect...

Page 15: ...lectrode falls off and lose protection Manipulation of electrode is not proper Clear out the dust around groove for about 20 30mm Strictly to dry the electrode according to manual Correctly to choose...

Page 16: ...y Input power must be AC as one phase 50Hz 220 240V Forbid working in lacking any phase In case closing the power switch no load voltage may be exported Do not touch the output electrode with any part...

Page 17: ...If there is one of the above problems find out the reason to get rid of if you can t find out the reason Please contact local this area our company agent or the branch company Observe that whether the...

Page 18: ...eed to change and need to change or strengthen insulation 5 2 Troubleshooting z Before arc welding machines are dispatched from the factory they have already been debugged accurately So forbid anyone...

Page 19: ...e welder s output Welding cable is broken Wrap repair or change the welding cable Earth cable is not connected or loosen Check the earth clamp 6 Not easy to start arc in the welding or easy to cause s...

Page 20: ...rotection Over welding current Induce the welding current output Working time too long Induce the duty cycle interval work Over current protection Unusual current in the main circuit Test and repair t...

Page 21: ...5 3 Electrical principle drawing YT 81352 19...

Page 22: ...YT 81353 20...

Page 23: ...m Radiator 18 ZY8135218 Transformer 19 ZY8135219 Plastic support strip Important parts of YT 81352 Serial Nmber ITEM NO Name 1 ZY8135301 Metal back panel 2 ZY8135302 Fan 3 ZY8135303 Switch 4 ZY8135304...