
OM-154 501 Page 11
3-8. Installing Wire Spool And Adjusting Hub Tension
1 Wire Spool
2 Gun Contact Tip
If necessary, cut welding wire off at
contact tip, and retract wire onto
spool and secure.
3 Retaining Ring
4 Compression Spring
Remove ring and pull off spool.
Compression spring is used with 8
in (200 mm) spools.
5 Hub
6 Hub Pin
Slide spool onto hub so wire feeds
off bottom. Turn spool until hub pin
fits hole in back of spool. Reinstall
retaining ring.
7 Hub Tension Nut
Grasp spool in one hand and turn
while using a wrench to adjust hub
tension nut. When a slight force is
needed to turn spool, tension is set.
Thread welding wire (see Section
3-9). Close door.
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Tools Needed:
15/16 in
Ref. ST-801 103-B / Ref. ST-072 573-B
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