9
Overview – Chuck Extension
Do you need it
The 701 Mortiser comes with the chuck already
assembled at the factory, intended to be used with
augers having long shanks. Augers come with long
or short shanks (Figure 4) depending on the
manufacturer.
Long shank augers
If you plan to install an auger with a long shank,
you can skip this section and proceed to the
Installing Chisel and Auger
section on page 10.
Short shank augers
If you plan to install an auger with a short shank,
proceed to
Installing the Chuck Extension
section.
Installing the Chuck Extension
Referring to Figure 4, remove the chuck from the
motor shaft as follows:
1. Open
door
(A).
2. Unscrew and remove the
chuck
(B) from the
motor shaft
(C) using a 12mm wrench placed
on the flat indents of the
shaft
(C) and the
chuck key in the
chuck
(B).
3. Thread
the
chuck extension
(D) onto the
motor
shaft
(C).
4. Tighten using 12mm and 14mm wrenches
respectively on flat sides of the
motor shaft
(C)
and
chuck extension
(D).
5. Thread the
chuck
(B) onto the
chuck
extension
(D).
6. Tighten using a 14mm wrench on flat sides of
the
chuck extension
(D) and the chuck key in
the
chuck
(B).
Figure 4
Figure 5
