Miller Electric 625 - Manual (Page 19)

OM-216 244 Page 15
SECTION 5 − INSTALLATION - STUD GUN
Y Disconnect gun from power
source before installing or
removing components.
1 Chuck
2 Chuck Adapter
To install chuck, align chuck in front
of chuck adapter. Tap firmly on the
end of chuck to seat chuck into
adapter. Not necessary to pound
on the end of the chuck. This will da-
mage the chuck.
.
There is a unique chuck for ev-
ery diameter of stud. Rectan-
gular and other special shape
studs may require specialized
chucks. There is also a depth
stop inside of the chuck. The
depth stop should be adjusted
so that you are retaining a good
portion of the stud you are set-
ting up to weld. Typically, this is
one third to one half of the
length of the stud being welded.
1
5-1. Chuck Installation
2
Do not hammer or beat
chuck into position.
1 Chuck Key
2 Hole - Chuck Adapter
To remove chuck, insert short, ta-
pered end of chuck ejector key into
one of the holes in the side of the
chuck adapter. It may be necessary
to move the rubber bellows to see
the holes in the side of the chuck
adapter.
Rotate chuck key clockwise or
counter clockwise and the chuck
will pop out of the chuck adapter.
.
Chuck is held into the chuck
adaptor with a #2 morse taper.
1
5-2. Chuck Removal
2