Lampert PUK U3 Operating Instructions Manual
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Lampert PUK U3 Operating Instructions Manual

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OPERATING INSTRUCTIONS
The manual that you hold in your hands is designed to acquaint you with the operating
principles and correct maintenance of your "PUK U3".
Please read this manual carefully and clearly observe the guidelines it describes; this way
malfunctions and operating errors can be avoided. Adhering to the guidelines will promote the
working life of the machine and assure that it remains in constant operational readiness during
This device may only be operated by qualified personnel, and then only for its designated
use and in accordance with the guidelines contained in this manual. The manufacturer
accepts no responsibility, and is in no way liable for damage caused by improper use or
Before first using your "PUK U3", please be sure to carefully read the manual sections
"General Safety Requirements" and "Personal safety" and the separately attached
Please retain these instructions for future reference.
The equipment made by "Lampert Werktechnik GmbH", fulfils the conformity requirements of
CE certification and is manufactured according to VDE guidelines.
The PUK U3 is certified as "BG-PRÜFZERT" by the German federation of statutory accident
insurance institutions for the industrial sector, and carries the "GS" safety standards certification
When overhauling or reconditioning our devices, we strongly advise to use original parts only.
Our customer service team is at your disposal, and will gladly assist in any way they can.
The device may only be opened, or alterations carried out, by authorised customer
service technicians. Noncompliance will result in all warrantees and liability claims
„PUK U3"
Dear customer!
this time; it will also ensure your personal safety.
operation of the machine.
Safety Precautions.
A note on conformity marks
mark.
becoming void.
LAMPERT WERKTECHNIK GMBH
October 2009

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Summary of Contents for Lampert PUK U3

  • Page 1 Before 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.

  • Page 2: Table Of Contents

    TABLE OF CONTENTS SECTION SAFETY NOTICES AND TERMINOLOGY USED attached SAFETY PRECAUTIONS - READ BEFORE USING DESIGNATED USE INTRODUCTION SAFETY INSTRUCTIONS - READ BEFORE USING General safety instructions Personal safety and potential risks INSTALLATION Setup guidelines Controls, functions and features - front Controls, functions and features - back Starting up Changing language displayed...

  • Page 3: Safety Notices And Terminology Used

    Its small size, low weight and minimum energy consumption are not just important facts of the PUK U3, but also very beneficial attributes. Its excellent ignition and welding characteristics permit a broad spectrum of applications and a wide range of uses.

  • Page 4: General Safety Instructions

    Please observe the appropriate safety measures when handling gas bottles, and the safety regulations for working with gases. In its standard form, the PUK U3 must be run on a mains voltage of 115V~. The wiring of the mains power supply plug is as follows: yellow-green lead = equipment grounding conductor (PE).

  • Page 5: Personal Safety And Potential Risks

    3-2 PERSONAL SAFETY AND POTENTIAL RISKS When welding it is preferable to wear protective gloves on both hands, as it cannot be completely ruled out that sparks and splashes occur during welding. The protective gloves may not contain high proportions of quickly melting synthetic fibres. Protective gloves also guard against UV-rays which are harmful during prolonged periods of intensive welding.

  • Page 6: Controls, Functions And Features - Front

    4-2 CONTROLS, FUNCTIONS AND FEATURES - FRONT (Fig. 1) (1) BUTTON - PROGRAM MEMORY (2) BUTTON - SWITCHING MODES (3) ROTARY KNOB - IMPULSE LENGTH / WELDING TIME (4) ROTARY KNOB - WELDING POWER (5) SOCKET ( - pole) 5.1 For the hand-piece 5.2 For resistance welding (6) SOCKET ( + pole) For connecting accessories designed to complete the electrical circuit (i.e.

  • Page 7: Controls, Functions And Features - Back

    via the crocodile clip). Once done, the machine is then instantly usable again and is ready to work. 4-3 CONTROLS, FUNCTIONS AND FEATURES - BACK (Fig. 2) (11) MAINS POWER SWITCH (12) I.E.C. POWER CONNECTOR For connecting the mains power cable (13) CONNECTION SOCKET FOR GLARE PROTECTION SYSTEM (“Shutter / Welding Shield”) (14) CONNECTION SOCKET FOR FOOT SWITCH (“Foot Switch”)
  • Page 8 “Shutter / Welding Shield” (13) on the back of the machine, and with aid of the nut, tightened. (Hand tight only). Caution! Only the Lampert-glare protection 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: Changing Language Displayed

    The maximum operating pressure is 4 bar! Please note! The PUK U3 will only work when hooked up to a supply of inert gas and only when the machine receives sufficient gas pressure. If inert gas is not hooked up, not flowing or if the pressure is too low, the display will show the following reading: “Gas...

  • Page 10: Operating Principles And Setting The Parameters

    OPERATING PRINCIPLES AND SETTING THE PARAMETERS After being switched on and running the self-test, the machine will start from its initial settings: Standard mode, 7 ms impulse length/welding time, and a low power setting. The initial settings for mode, welding time and power, correspond to the blue LEDs in the display.

  • Page 11: Using The Programmable Memory

    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.

  • Page 12: Instructions For Use

    Press the button – program memory (1) (long – ca. 3 sec.) and then releasing it, the settings are saved into the selected slot. The display will show the notice “Settings stored. Please enter the name of the program”. Now the memory slot can be given a name (up to 10 characters). By turning the rotary knob –...

  • Page 13: Welding With The Foot Switch

    6-2 WELDING WITH THE FOOT SWITCH Make sure that the PUK U3 is switched off. Attach the foot switch cable to the socket “foot switch” on the back of the machine. Next switch the machine back on, the display will show the following important safety warning: “Warning! Protect your eyes! Read the manual! Follow the advice!”.

  • Page 14: Tips And General Pointers

    6-3 TIPS AND GENERAL POINTERS Important ! Always work with a well sharpened electrode ! This is the only way to achieve optimum results. Always make sure that the work piece has a good contact to the connecting terminal (i.e. crocodile clip). In case of problems that arise as a result of poor electrical contact, attach the connecting terminal to a part of the work piece where the bare metal is exposed.

  • Page 15: Care And Maintenance

    FUSES OF THE SAME SPECIFICATION. USING FUSES OF A HIGHER VALUE WILL INVALIDATE ANY WARRNTY CLAIMS ! The PUK U3 may only be opened by an electrician, electrical technician or other qualified personnel who are familiarised with these products. TECHNICAL DATA 7-1 TECHNICAL DATA ■...

  • Page 16: Identification Plate - Explanation Of Picture Symbols

    Identification plate Explanation of picture symbols Degree of Amperage Voltage protection Tungsten- Alternating Hertz inert-gas current (AC) welding Power plug single phase Read the Direct current manual / Alternating current / 50- 1 ~ 50-60Hz 60Hz Rated supply Rated no- Protective voltage load voltage...

  • Page 17: Trouble Shooting

    TROUBLE SHOOTING FAULT CAUSE SOLUTION 1 No power Mains power switch is switched on, The power supply (feeder) to the Check the mains power cable and but the display does not light up. machine is interrupted or mains voltage or replace fuse with machine’s internal fuse defective a suitable fuse of the same type and value.

  • Page 18: Spare Parts List

    100 153 Warning! The PUK U3 may only be opened by an electrician, electrical technician or other qualified personnel who are familiarised with these products! Text and images correspond to, and represent the current technological state at the time of publication and are subject to change without notice.

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