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POWER MIG 180 DUAL
(See Figure B.3)
8. WELDING GUN CONNECTOR BUSHING & THUMBSCREW –
Provides electrical power to the welding gun. The
thumbscrew holds the welding gun into the connector block.
(Front of Machine, Side Door and Wire Drive Cover have been
removed for clarity of Items 8 and 9).
9. OUTPUT TERMINALS –These connections allow for changing
the welding polarity of the machine depending on whether
you are MIG welding or flux-cored welding.
FIGURE B.3
8
(See Figure B.4)
10. WIRE SPOOL SPINDLE AND BRAKE – Holds a 4 inch
diameter spool. Use the 2 inch I.D. spindle adapter included
with the machine to use 8 inch diameter spools. The Wing
Nut sets the brake friction to prevent the spool from over
FIGURE B.4
rotating when the trigger is released.
4" Reel of Wire
9
2" Spindle Adaptor
(For 8" Reel of Wire)
(See Figure B.5)
11. WIRE DRIVE & COMPONENTS – Feeds wire from the wire
spool through the drive and through the welding gun to the
weld.
a. Top and Bottom Drive Roll – Drives the wire through the
drive system. The drive roll has a groove to match the
specific wire type and diameter. Refer to Table B.1 for
available drive rolls.
b. Inner & Outer Wire Guide – Guides the wire between the Top
and Bottom Drive Roll and through the wire drive. The inner
guide has a groove to match a particular wire diameter.
Refer to Table B.1 for available wire guides.
c. Drive Roll Tension Thumbscrew – Turning clockwise
increases the force on the drive rolls and turning counter-
clockwise decreases the force.
12. SPOOL GUN SWITCH - Pre-Installed switch permits either
spool gun welding with the Magnum 100SG or standard
welding with the Magnum PRO 100L.
FIGURE B.5
12
TOP DRIVE ROLL
PRESSURE ARM
INNER WIRE GUIDE REMOVED
LOWER DRIVE ROLL REMOVED
B-3
OPERATION
TENSION
ADJUSTOR DOWN
OUTER WIRE GUIDE REMOVED
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