10
10.11 Adjusting chisel parallel to
workpiece
The chisel can be adjusted parallel to workpiece by
loosening screw (A, Figure 10-7) and rotating
chisel until back surface of chisel is flat against
workpiece. Tighten screw to hold chisel in place.
Figure 10-7
11.0 Operation
1. Set depth stop to required depth of cut (see
sect. 10.5).
2. Place workpiece on table and against fence.
3. Adjust fence until workpiece is in correct
position.
4. Clamp workpiece or set hold down to desired
height (sect. 10.4).
Before turning on the
machine, verify that chuck key is not in the
chuck.
5. Turn on machine and feed chisel and bit
steadily into workpiece by pulling down
operating handle.
6. After the first cut, move workpiece along for
each successive cut. The direction of
movement must allow chips to clear freely.
Move workpiece so that chisel slot is releasing
chips into the already-cut part of the workpiece
(Figure 11-1).
Do not have chisel slot
against the blind end of the mortise, as the
chips will not be able to clear the chisel.
This can cause overheating and possible
breakage of chisel or bit.
7. When cutting deep mortises, make the cut in
several stages of approximately 1" each, to
allow chips to clear. To prevent breakout at the
back of the workpiece when cutting through
mortises, use a piece of scrap material under
the workpiece as support.
Figure 11-1
12.0 Storage
If the mortiser will be stored for an extended
period, use the depth stop to help secure head in
position; this will relieve stress upon the hydraulic
cylinder.
13.0 Optional accessories
Premium Mortise Bit and Chisel Sets:
Stock no. Chisel size
1791091 1/4"
1791092 5/16"
1791093 3/8"
1791094 1/2"
See sect. 15.0 for chisel specifications.
14.0 Replacement Parts
Replacement parts are listed on the following
pages. To order parts or reach our service
department, call 1-800-274-6848 Monday through
Friday, 8:00 a.m. to 5:00 p.m. CST. Having the
Model Number and Serial Number of your machine
available when you call will allow us to serve you
quickly and accurately.
Non-proprietary parts, such as fasteners, can be
found at local hardware stores, or may be ordered
from JET. Some parts are shown for reference
only, and may not be available individually.
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