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ESAB A22 POB Simplified Service Manual

Tubeplate welding tools
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A22 POB
Tubeplate welding tools
Simplified service manual
334 771- -001
9611

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Summary of Contents for ESAB A22 POB

  • Page 1 A22 POB Tubeplate welding tools Simplified service manual 334 771- -001 9611...

  • Page 2: Table Of Contents

    ......... . . SPARE PARTS LIST A22 POB .
  • Page 3 WARNING ARC WELDING AND CUTTING CAN BE INJURIOUS TO YOURSELF AND OTHERS. TAKE PRECAUTIONS WHEN WELDING. ASK FOR YOUR EMPLOYER’S SAFETY PRACTICES WHICH SHOULD BE BASED ON MANUFACTURERS’ HAZARD DATA. ELECTRIC SHOCK - - Can kill Install and earth the welding unit in accordance with applicable standards. Do not touch live electrical parts or electrodes with bare skin, wet gloves or wet clothing.

  • Page 4: Safety

    SAFETY SAFETY Users of ESAB welding equipment have ultimate responsibility for ensuring that any- one who works on or near the equipment observes all the relevant safety precau- tions. Safety precautions must meet the requirements that apply to this type of welding equipment.

  • Page 5: Technical Descripton

    11. POB 12- -60 is intended for use with the power sources MECHTIG 315 INVERTER, PROTIG 315 INVERTER, PROTIG 250 and PROWELDER 250 A22 POB TECHNICAL DATA Max. continuous welding current 180 A/60 % Max.

  • Page 6: Installation

    INSTALLATION 1. Welding power source, see separate instruction manual. 2. Dimension drawing, see page 16. 3. Diagram, see page 17. 4. Connection diagram, see page 18 and page 19. 5. Tool dismantling: It is necessary to dismantle the tool. For adjustment of the ”home” position. In the event of a fault.
  • Page 7 6. Adjusting the ”home” position: Remove the four bolts (7). Withdraw the gear ring. The lifting cog influencing the microswitch can now be moved a full turn in 22˚, 5 steps, starting at 11˚, 25 counted from 12 o’clock. 7. Tool reassembly: Insert the inner assembly (5) in the outer casing (6).
  • Page 8 8. Replacement and fitting of the electrode: Cut off the electrode to some 45 mm and grind it to the desired angle. Remove the gas cup (3). Remove the electrode nozzle (2) and the electrode nozzle with gas lens. Replace the electrode. When changing to a different electrode diameter it is necess- ary also to change the electrode nozzle (2) and the collet (1).
  • Page 9 9. Adjustment of the welding diameter: Slacken the locking screw (8). Use a screwdriver to turn the gear wheel (7), which is mounted on the link arm (3), so that the correct welding circle diameter is obtained. Slacken the screw (4). Adjust the electrode angle by rotating the electrode holder (6).

  • Page 10: Operation

    OPERATION The POB tube welding tool connected to the programmable welding power source PROTIG 250, PROWELDER 250, PROTIG 315 INVERTER or MECHTIG 315 INVERTER: Set all the welding parameters on the programmable PROTIG 250, PROWELDER 250, PROTIG 315 INVERTER or MECHTIG 315 INVERTER power source unit. Adjust the position and the angle of the electrode.

  • Page 11: Selection Table

    SELECTION TABLE Tube diameter Centering mandrel Spindle Min. mm Max. mm Ordering no. Ordering no. 10,5 442 634- - 880 442 714- - 880 10,3 10,9 442 634- - 881 10,7 11,3 442 634- - 882 11,1 11,7 442 634- - 883 11,5 12,1 442 634- - 884...

  • Page 12: Accessory Set For Internal Welding

    ACCESSORY SET FOR INTERNAL WELDING Order number, see on page 5. Fitting: 1. Dismount the support plate 01 and the support tube 02. 2. Pull of the envelope of the tool 06. 3. Slacken the welding cable clamp 07 (approx. 6 turns) and remove the screws 03 och 04. 4.

  • Page 13: Accessory Set For External Fillet Welding

    ACCESSORY SET FOR EXTERNAL FILLET WELDING Order number, see on page 5. Fitting: 1. Dismount the spacer tube. 2. Rotate the inner portion, so that the cable is just opposite the group of holes 2xø8 in the envelope. 3. Insert a 2.5 mm Allen key through the holes ø8 and slacken the welding cable clamp (approx.

  • Page 14: Accessory Set For Welding Titanium

    ACCESSORY SET FOR WELDING TITANIUM Order number, see on page 5. Welding with the accessory kit for titanium. 1. Cut a hole in the rubber disk (1) so that the rubber rests against the plate at a safe dis- tance from the arc. 2.

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