Weldforce 155
M &
175
MST
© Weldclass 2020 | E.&O.E.
15
7
BASIC OPERATION
7.1
MIG Welding
WARNING!
Before changing the feed roller or wire spool, ensure that the mains
power is switched off.
7.1.1
Fitting Wire Spool
1.
Open the wire feeder compartment door.
2.
Remove the Tension Nut & Spring
3.
Remove Flange/Spacer
4.
Fit the wire spool to the Spool Post Bolt, ensuring that the wire spool is position so that the wire
will exit from bottom of spool.
5.
Replace the Flange/Spacer – as per orientation shown below (orientation is different for
100mm/1kg vs 200mm/5kg spools)
6.
Replace spring & Tension Nut.
Note: Adjust tension so that the spool can rotate freely, but does not continue to rotate (free-
wheel) once the wire feed stops.
Figure 7