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A description of the welding modes (with corresponding LCD-Display 
reading):  

  

Standard mode 

  
   
 
 

  

Welding time  4 - 30 ms,  Power  20 - 100 %  
 

Our all-round program for many different applications. 

 

Gap mode

 

    
 
 
 

 

 

Welding time  4 - 30 ms,  Power 20 - 100 %       
                             

A smaller and more rigid welding arc, for welds in tight corners or angles, 
and for work in hard-to-reach places. 
 

  

HF-Pulse mode

 

    

  

Welding time   4 - 30 ms, Power  20 - 100%     

 
HF-Pulse welding for a finer, stronger and more durable joint structure, 
also when working with non-standard and “Special” alloys. 
 

 

 

Resistance welding 

 

 

 

For welding work pieces at their point of contact, in accordance with the 
principles of resistance welding 

Micro mode 

   

     

 

 

Welding time   4 - 12 ms,  Power  5 - 32 %           

 
This mode’s parameters have lower output levels that can be set in finer 
increments, making it ideal for use with very small cross-sections of 
material. 

       

Especially important to note: always use a sharp electrode !

 

 

 

 

 

 

 

5-2  USING THE PROGRAMMABLE MEMORY 

 

 

RECALLING STORED SETTINGS (Program slot 1 – 10) 

 

This feature brings the possibility to personalise and store the users own 
welding parameter settings, into 10 available memory slots. These settings 
can then be recalled at a moments notice. 

 

         
 

 

 

By pressing (short) the button – program memory (1) and then releasing it, the 
individual memory slots can be accessed. 

 

 
STORING SETTINGS INTO THE MEMORY (Program slot 1 – 10). 
 

 

Press the button – program memory (1) 

(long – ca. 1 sec.)

 and then releasing 

it, the process for storing the current user settings is initiated. 
 
Press the button – program memory (1) 

(short)

 and then releasing it, the 

memory slot can be selected in which the settings are to be saved. (Program 
slot 1 – 10) 

Summary of Contents for PUK U3

Page 1: ...fore first using your PUK U3 please be sure to carefully read the manual sections General Safety Requirements and Personal safety and the separately attached Safety Precautions Please retain these ins...

Page 2: ...unctions and features back 7 4 4 Starting up 7 9 4 5 Changing language displayed 9 5 OPERATING PRINCIPLES AND SETTING THE PARAMETERS 10 5 1 Adjusting the welding parameters 10 5 2 Using the programmab...

Page 3: ...properties can be considered as weldable It is prohibited to use this apparatus to carry out welds in or on the body Any other application of the appliance other than the above stated is prohibited It...

Page 4: ...fers depending on the type of welding current the type of power source and the potential for electrical hazard of the workplace If it can be assumed that a safe operation of the device is no longer po...

Page 5: ...e Those lingering or working in close proximity to the electric arc must be made aware of the risks and supplied with the appropriate protective equipment Wherever necessary a protective screen should...

Page 6: ...ds ms 9 Current mode setting Standard mode Gap mode HF Pulse mode Resistance welding Micro mode 10 Program indicator P1 P10 The foot switch function can be recognised by this symbol Please note In the...

Page 7: ...ease note The connection socket for the foot switch the glare protection system and the LED microscope lighting are identical 16 CONNECTOR FOR INERT GAS HOOKUP ARGON GAS For pressure hose 6 mm 17 IDEN...

Page 8: ...otection system welding microscope USM may be connected to the PUK U3 Other glare protection systems are not permitted and can result in permanent health damage or lead to the damaging of the machine...

Page 9: ...will run a self test Please note Please also follow the guidelines given in the operating instructions of the attached welding microscope USM Caution As soon as the mains power switch of your PUK U3...

Page 10: ...accidentally changing the parameters the settings that were last used are there to be recalled again Please note Please remember that only when the gas flow rate has been correctly set up and adjuste...

Page 11: ...have lower output levels that can be set in finer increments making it ideal for use with very small cross sections of material Especially important to note always use a sharp electrode 5 2 USING THE...

Page 12: ...ings not stored This is to avoid the blocking of a memory slot with a duplication of already stored information In this case the memory slot where the original setting is stored will blink The process...

Page 13: ...By again holding the foot switch pressed for ca 1 second without contacting the work piece the footswitch function can be deactivated The symbol will disappear from the display WELDING INSTRUCTIONS R...

Page 14: ...When choosing the output levels of parameters make allowances for the thickness of the material which is to be welded and adjust settings accordingly Work with as much precision as possible contact t...

Page 15: ...arning IF FUSES NEED TO BE EXCHANGED THESE ARE ONLY TO BE REPLACED WITH FUSES OF THE SAME SPECIFICATION USING FUSES OF A HIGHER VALUE WILL INVALIDATE ANY WARRNTY CLAIMS The PUK U3 may only be opened b...

Page 16: ...AC Tungsten inert gas welding Direct current 1 50 60Hz Power plug single phase Alternating current 50 60Hz Read the manual Rated no load voltage Rated supply voltage Protective earth Conventional loa...

Page 17: ...servicing please contact your dealer Use Argon inert gas Wherever possible use Argon with a purity of 99 996 i e Argon 4 6 6 Oxidation and the forming of soot 7 Welding spots are heavily oxidised The...

Page 18: ...images correspond to and represent the current technological state at the time of publication and are subject to change without notice Our products are manufactured to exacting standards Produced with...

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