―15―
7. WELDING PREPERATION (continued)
7.2 Mounting of the Feed Roll
Confirmation of the wire size marked on the feed roll
Use the right groove of the feed roll for the wire size.
The feed roll of
φ
0.045in [1.2mm] wire size is mounted on the
CM-741 wire feeder when shipping.
Replacement of the feed roll
1.
Remove the hexagon socket cap screws fixing the feed roll.
2.
Bring down the pressure handle, and then lift the pressure roll holder.
3.
Separate the feed roll from the wire feeder by pulling out the feed roll.
4.
Mount the new feed roll, with the wire size marked on the wire feeder facing out.
･
For aluminum welding
1.
Remove the pressure roll.
2.
Change the center guide for aluminum.
3.
Attach the middle gear and feed roll for aluminum.
4.
Attach the wire straightener.
5.
Change the outlet guide for aluminum.
Groove for 0.045in
[1.2mm] wire size
Wire size mark
Feed roll
Hexagon socket cap screws
Pilot
Wire straightener
Inlet guide
Center guide
Outlet guide
Feed roll
(Pressure roll)
Gear
Torch adapter
－
15
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