Harbor Freight Tools 93212 - Manual (Page 16)

Page 16 For technical questions, please call 1-800-444-3353. SKU 93212
in the Chuck groove. The Jaws are
designed to work as complete sets. Do
not mix pieces from one set with the
other set when installing in the Chuck.
Figure 15
Chuck (2)
Chuck
Key
(167)
Scroll
Grooves
Jaw
The jaws are held in place by a spiralled
scroll inside the Chuck which rotates
around the center of the chuck with the
Chuck Key. As the scroll rotates, it hooks
into the jaw ridges, then pulls each Jaw
toward the center of the Chuck as the
spiral of the scroll rotates around the
Chuck.
Figure 16
Lead thread of Scroll
Chuck (2)
Insert Chuck
Key (167),
Turn Clockwise
a
Insert Jaw #1
B
c
To replace the Jaws:
Unplug the Lathe. a.
Place a towel under the Chuck to b.
protect the Bed Way (1) from any Jaws
that may be dropped. Carefully remove
any Jaws by inserting the Chuck Key
(167) into the side of the Chuck, turning
it counterclockwise, and sliding each
Jaw out of it’s slot as it becomes free.
Look at the Chuck so you can see
c.
into the grooves, and find the groove
marked #1. Rotate the Chuck Key
clockwise until you see the lead thread
of the Scroll in groove #1 (A in Figure
16).
Slide Jaw #1 into the groove and
d.
rotate the Chuck Key counterclockwise
reV 10b