5 OPERATION
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© ESAB AB 2018
4.
On the wire-feed assembly release the tensioning arm by partially unscrewing the
tension knob, pulling it up out of its detent and rotating it toward you. The tensioning
arm is spring-loaded. It will pop-up when the tension knob in the previous step is
rotated out-of-the-way, see illustration below.
Figure 4. Wire-feed mechanism
1.
Tension knob
4.
Output wire-feed guide
2.
Tensioning arm
5.
Input wire-feed guide
3.
To torch
6.
Wire-in
5.
If wire remains in the torch assembly:
Near the input end of the wire-feed guide on the wire-feed assembly cut the wire while
holding the bobbin-end (so the wire does not unravel from the bobbin after cutting it
loose). Secure the cut end of the wire to the bobbin (if any wire is left on the bobbin) to
prevent the wire from unraveling from the bobbin.
6.
If wire remains in the torch assembly:
Disconnect the torch assembly from the EMP unit pulling the remaining length of the
wire through the wire-feed assembly and set the torch assembly aside (with the loose
wire still installed in the torch). The old wire should now be completely removed from
the wire-feed assembly.
7.
Remove the bobbin from the unit (see “Removing/installing bobbin” section). The old
wire and its bobbin should now be completely removed from the unit. The wire in the
torch assembly remains to be removed in the next step.
8.
If wire remains in the torch assembly:
Pull the length of old wire out of the torch assembly from either end of the torch
assembly.
