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
extension (D).
6. Tighten using a 14mm wrench on flat sides of
the chuck extension (D) and the chuck key in
the chuck (B).
(B)
onto
the
chuck
Figure 4
Figure 5
9