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. A complete Parts List is available on-line at www.MillerWelds.com
OM-225 311 Page 37
6-4. Changing Drive Roll Or Wire Inlet Guide
1 Inlet Wire Guide
Remove guide by pressing on
barbed area or cutting off one end
near housing and pulling it out of
hole. Push new guide into hole from
rear until it snaps in place.
2 Drive Roll
The drive roll consists of two differ-
ent sized grooves. The stamped
markings on the end surface of the
drive roll refers to the groove on the
opposite side of the drive roll. The
groove closest to the motor shaft is
the proper groove to thread (see
Section 4-11).
3 Retaining Pin
To secure drive roll, locate open slot
and push drive roll completely over
retaining pin, then rotate drive roll
1/4 turn to closed slot.
2
1
3
802 984
.024 Groove.030/.035 Groove
Stamped .024
Stamped .030/.035
6-5. Replacing Gun Contact Tip
Ref. 802 399-A
Y Turn Off power before
replacing contact tip.
1 Nozzle
2 Contact Tip
Cut off welding wire at contact tip.
Remove nozzle.
Remove contact tip and install new
contact tip. Reinstall nozzle.
Tools Needed:
1
2