Eastwood MIG 90 Assembly And Operating Instructions Manual page 18

MIG GUN REPLACEMENT
• Before beginning, ensure power is off, the unit is unplugged, and the welding
wire has been removed from the MIG Gun.
• For replacement of the full torch and cable assembly, the Drive Motor Top Cover
must be removed using the four screws at the top (FIG 17).
• Remove the five left side panel screws so that the internals of the welder can be
accessed (FIG 20).
• Make sure the welding gas bottle valve is closed, then simultaneously push in
the blue ring on the gas hose fitting to release the gas hose while pulling it out
(Fig 21).
• Release the latch and pull the MIG gun trigger connector off the control board
(FIG 22).
• Remove the cover of the short, integral polarity lead by sliding it back off the
fitting (FIG 23). This requires significant force. The set screw can now be
unscrewed to release the wire (FIG 24).
• To remove the bulkhead fitting, while pinching the top and bottom, pull it out
(FIG 24).
• Now the torch can be fully removed, and the new assembly installed in the
reverse order.
FIG. 23 FIG. 23
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FIG. 20 FIG. 20
FIG. 21 FIG. 21
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FIG. 22 FIG. 22
FIG. 24 FIG. 24
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