ESAB A2TF J1 - Changing the feed rollers (A2 TG J1 4 WD); Contact equipment for Submerged Arc Welding

4 OPERATION
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© ESAB AB 2020
4.5 Changing the feed rollers (A2TGJ14WD)
• Undo the pressure devices (10).
• Put up the pressure arms (11).
• Undo the mounting screws (2) of the
feed rollers.
• Replace the feed rollers (1, 4).
• Adjust the wire tension on the new feed
rollers.
4.6 Contact equipment for Submerged Arc Welding
4.6.1 For single wire 1.6–4.0mm – Light duty (D20)
The following are included:
• Wire feed unit (1)
• Connector D20 (2)
• Contact tip (3) (M12 thread)
Tighten the contact tip (3) with a key in order to
ensure that a good contact is achieved.
4.6.2 For twin wires 2×1.2–2.0mm – LightTwin (D35)
Use automatic welding equipment A2TFJ1Twin (SAW) where the
following are included:
• Wire feed unit (1)
• Connector Twin D35 (2)
• Contact tip (3) (M6 thread)
• Fine-wire feed unit (5)
• Guide tubes (4, 6)
Tighten the contact tip (3) with a key in order to ensure that a good contact is achieved.