HUGONG POWERTIG 300DPIII Owner'S Manual Download Page 20

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not work

main control

board was broken

change main control board

connecting cable

drop up ( or break

off)

find where is cable break up

and connect it

Ammeter

display

Ammeter was

broken

change Ammeter

connecting cable

drop up ( or break

off)

find where is cable break up

and connect it

main control

board was broken

change main control board

arc is no

smooth

torch and

machine is fault

connected

check and correct by manual

Argon no pure

use Argon with purity 99.99%

Tungsten

electrode is not

good or pinhead

is broken

change use correct tungsten

electrode

power

trip

first time power

on after long time

power was cut off

(over 2 days)

No fault, charge filter

capacitor of power main

circuit cause power trip,

switch on main power again.

others

please contact with

manufacturer or supplier

Summary of Contents for POWERTIG 300DPIII

Page 1: ... rules and other basic safety precautions may result in serious personal injury 2017VERSION OWNER S MANUAL WELDING AND CUTTING TOTAL SOLUTION WARNING Read carefully and understand all ASSEMBLY AND OPERATION INSTRUCTIONS before operating Failure to follow the safety rules and other basic safety precautions may result in serious personal injury ...

Page 2: ...al state and national codes Always be aware of your work environment Be sure to keep other people especially children away from you while welding Keep harmful arc rays shielded from the view of others Mount the welder on a secure bench or cart that will keep the welder secure and prevent it from tipping over or falling 1 2 Your Welder s Condition Check ground cable power cord and welding cable to ...

Page 3: ... to the weld area as possible Do not touch the welding wire and the ground or grounded work piece at the same time Do not use a welder to thaw frozen pipes Fumes and Gases Fumes emitted from the welding process displace clean air and can result in injury or death Do not breathe in fumes emitted by the welding process Make sure your breathing air is clean and safe Work only in a well ventilated are...

Page 4: ...s Do not have on your person any items that are combustible such as lighters or matches Keep work lead connected as close to the weld area as possible to prevent any unknown unintended paths of electrical current from causing electrical shock and fire hazards To prevent any unintended arcs cut wire back to stick out after welding Hot Materials Welded materials are hot and can cause severe burns if...

Page 5: ...will affect the POWERTIG 300DPIII operation Replace or repair damaged or worn parts immediately Store idle POWERTIG 300DPIII When POWERTIG 300DPIII is not in use store it in a secure place out of the reach of children Inspect it for good working condition prior to storage and before re use Notice If the welder continues to work too long time the Heat Protection Indicator on the panel would be on i...

Page 6: ... 22V TIG Welding Current A 10 300 Current Up Time S 0 15 Current Drop Time S 0 25 Pulse Frequency Hz 0 5 200 Pulse Width Adjustment 15 85 Post Flow Time S 0 30 Rated Duty Cycle 35 Cooling Type Air cooling Effiency η 85 Power Factor Cosφ 0 93 Insulation Degree H Cover Protection Degree IP IP21S Weight kg 18 Dimension L W H mm 508 241 408 No special advice on above parameter The nameplate parameter ...

Page 7: ...on indicator 4 Welding process control choose 5 Choose and adjustment of welding parameter 6 Save and load of parameters 7 Type of parameter indicator 8 Status indicator of welder 1 2 Numerical displays and units lights of the panel Display of welding current when machine is working and preset parameter such as Up slope Pulse Ratio when machine is idle and meanwhile the related units lights is on ...

Page 8: ...lection and choose Welding Current Hot Start and Arc Force At same time the corresponding parameters indicator light up 2 The previous chosen parameters can be adjusted by turning coding knob at the same time the current parameters can be written on the digital panel Note Adjustment of Hot Start is for hot arc current Adjustment of Arc Force is for percentage 1 6 TIG Welding 1 6 1 Pulse Switch Und...

Page 9: ... setting down slope time until up to the setting crater current 5 Release button of torch again machine stops work but the valve keeps work machine enter post flow stage 6 Setting post flow time is end the valve stops work 1 6 3 Parameter Setting Under TIG mode you can press button Parameter to choose parameters the choosing parameters and corresponding units can be watched on digital and units si...

Page 10: ...operation automatic be canceled digital tube and indicator snub out at the same time 2 Parameters loading pressing S C button last for 2 or 3 seconds to active loading and adjustment functions channel digital tube twinkle Click S C button to choose loading function at the same time LOAD indicator light up and parameters of corresponding channels can be watched on panel And you can lookup every par...

Page 11: ...ers between the welder s power cord and the power source receptacle Make sure the POWER switch is OFF when connecting your welder s power cord to a properly grounded 380 VAC 60 HZ 3Phase 30 Amp input power supply 2 EXTENSION CORD We do not recommend an extension cord because of the voltage drop they produce This drop in voltage can affect the performance of the welder If you need to use an extensi...

Page 12: ...hock If you are not sure if your outlet is properly grounded have it checked by a qualified electrician Do not cut off the grounding prong or alter the plug in any way and do not use any adapter between the welder s power cord and the power source receptacle Make sure the POWER switch is OFF then connect your welder s power cord to a properly grounded 380 VAC 60 HZ 3 phase 50 amp power source 1 St...

Page 13: ...on A poor connection at the ground clamp will waste power and heat Make sure the ground clamp touches the metal 1 3 ELECTRODE The welding electrode is a rod coated with a layer of flux When welding electrical current flows between the electrode rod and the grounded metal work piece The intense heat of the arc between the rod and the grounded metal melts the electrode and the flux For best performa...

Page 14: ... c The bead will be flat and porous 1 4 3 d Rod may be freeze or stick to work piece Note Rate of travel over the work also affects the weld To ensure proper penetration and enough deposit of rod the arc must be moved slowly and evenly along the weld seam 1 5 SETTING THE AMPERAGE CONTROL The welder has an infinite current control It is capable of welding with electrodes up to 3 32 diameter There i...

Page 15: ...rt arc and then raise it quickly about 1 8 inch gap between the rod and the work piece see following picture It is important that the gap be maintained during the welding process and it should be neither too wide or too narrow If too narrow the rod will stick to the work piece If too wide the arc will be extinguished It needs much practice to maintain the gap The beginners may usually get sticker ...

Page 16: ...t is performed very much the same as the flat weld except that the angle is different such that the electrode and therefore the arc force is directed more toward the metal above the weld joint This more direct angle helps prevent the weld puddle from running downward while still allowing slow enough travel speed to achieve good penetration A good starting point for your electrode angle is about 30...

Page 17: ...s and protect the hands and other exposed parts of the body with protective garments or if possible work with a shield between the body and the work piece The intense heat produced at the arc sets up strains in the metal joined by welding Peening the weld not only removes the scale left behind in the welding but relieves the internal strains developed by the heating and cooling process 2 TIG weldi...

Page 18: ...es TIG Welding is generally regarded as a specialized process that requires operator competency While many of the principles outlined in the previous Arc Welding section are applicable a comprehensive outline of the TIG Welding process is outside the scope of this Operating Manual ...

Page 19: ...ut check flow meter and hose and recovery to feed welder air main control board was broken change main control board electromagnetic gas valve was broken change electromagnetic gas valve air path was blocked clean foreign body and dredge air path 4 no cooling water output water pressure is not enough increase cooling water pressure water path was blocked clean foreign body and dredge water path 5 ...

Page 20: ...trol board was broken change main control board 8 arc is no smooth torch and machine is fault connected check and correct by manual Argon no pure use Argon with purity 99 99 Tungsten electrode is not good or pinhead is broken change use correct tungsten electrode 9 power trip first time power on after long time power was cut off over 2 days No fault charge filter capacitor of power main circuit ca...

Page 21: ...0K2 3 1 PCS 1 6 20050050567 Protection plate for IGBT HG2ZX7400K 2 3 3 PCS 2 7 20050170019 Tension disc NB500 5 2 PCS 2 8 12070024081 Power line PTP300 10 14P33 2 2 PCS 1 9 20070800378 Switch LW39 16B 9GA 06 3BK PCS 1 10 20040300009 Fixed holder for power line EG 16 PG16 PCS 1 11 11020015775 Back panel plate PTAP200 17 14P12 3 1 PCS 1 12 11020020081 Water pipe connector PTP300 20 14A33 2 1 PCS 1 1...

Page 22: ...ate POWERTIG 300KDPIII PCS 1 30 11050070479 Panel PCB POWERTIG 300KDPIII PCS 1 31 20050050643 Plastic front frame PMU200 23 12PE12 2 1 1 PCS 1 32 20070570185 Quick connector DKJ35 70 PCS 2 33 11050110266 Loading small PCB PTP300 20 14A33 1 7 V1 2 PCS 1 34 11040050077 Coupling transformer A169PTIG300KDG6 2 V1 0 PCS 1 35 11020014512 Busbar A169PTIG300KDG6 9 PCS 1 36 20070390035 Hall sensor PE400 11 ...

Page 23: ...23 The Circuit Chart ...

Page 24: ...24 ...

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