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•
Push the bit as far up through the chisel as it will go
into the open chuck. Lock the bit in the chuck using
the chuck key. The bit point should be very sharp:
use the block of wood used to insert the bit as a
pusher.
•
Loosen the front set screw and move chisel up to
head. The proper clearance between bit and chisel is
now set.
NOTE: Hollow chisel mortiser is supplied with an adap-
tor to accept short shank drill bits. To install adaptor:
•
Make sure the morfiser is turned off and disconnect-
ed from the power source.
•
Open the access windows from both sides of the
mortiser head.
•
Hold the motor shaft by the flats through the access
window. Use the wrench supplied.
•
Through the other access window, insert chuck key
into the hole on the outside of the chuck.
•
Turn the chuck key counterclockwise
while holding
the motor shaft.
•
Loosen and remove chuck.
•
Install adaptor onto motor shaft using the threaded
hole. Tighten adaptor.
•
Install chuck onto adaptor using the threaded hole.
Tighten chuck.
Figure 11 - Tighten Chuck
The hollow chisel mortiser weighs approximately 50 Ibs.
when completely assembled. The hollow chisel mortiser
must be installed in a place with ample lighting and cor-
rect power supply. To install hollow chisel mortiser:
.
Make sure there is plenty of room for moving the
workpiece through the entire cut. There must be
enough room that neither the operators nor the
bystanders will have to stand in line with the wood
while using the tool.
.
Use this tool only after fastening it to the bench: the
long handle gives needed leverage for mortising, but
also pulls the machine forward and over.
.
Insert two lag 5/16" x 2" screws (not supplied), with flat
washers, through the holes in the base, and drive
them into the benchtop, after drilling pilot holes.
.
If the mortiser is to be left portable, attach it to a 3/4"
x 13" wide x 16" long plywood base (not supplied)
that can be clamped or bolted to the benchtop.
POWER SOURCE
WARNING:
Do not connect hollow chisel mortiser to
the power source until all assembly steps have been
completed.
The motor is designed for operation on the voltage and
frequency specified. Normal loads will be handled safe-
ly on voltages not more than 10% above or below spec-
ified voltage. Running the unit on voltages which are not
within range may cause overheating and motor burn-
out. Heavy loads require that voltage at motor terminals
be no less than the voltage specified on nameplate.
.
Power supply to the motor is controlled by a rocker
switch. Removing the key from rocker switch will lock
the unit and prevent unauthorized use.
GROUNDING
INSTRUCTIONS
WARNING:
Improper connection of equipment
grounding conductor can result in the risk of electrical
shock. Equipment should be grounded while in use to
protect operator from electrical shock.
.
Check with a qualified electrician if you do not under-
stand grounding instructions or if you are in doubt as
to whether the tool is properly grounded.
.
This tool is equipped with an approved cord rated at
150V and a 3-prong grounding type plug (See Figure
12) for your protection against shock hazards.
o Grounding plug should be plugged directly into a
properly installed and grounded 3-prong grounding-
type receptacle, as shown (See Figure 12).
Grounded Outlet
Properly
__
Grounding Prong
3-Prong Plug
Figure 12 - 3-Prong Receptacle
° Do not remove or alter grounding prong in any manner.
In the event of a malfunction or breakdown, grounding
provides a path of least resistance for electrical shock.
WARNING:
Do not permit fingers to touch the termi-
nals of plug when installing or removing from outlet.
•
Plug must be plugged into matching outlet that is
properly installed and grounded in accordance with
all local codes and ordinances. Do not modify plug
provided. If it will not fit in outlet, have proper outlet
installed by a qualified electrician.
•
Inspect tool cords periodically, and if damaged, have
repaired by an authorized service facility.
•
Green (or green and yellow) conductor in cord is the
grounding wire. If repair or replacement of the elec-
tric cord or plug is necessary, do not connect the
green (or green and yellow) wire to a live terminal.
•
A 2-prong wall receptacle must be replaced with a
properly grounded 3-prong receptacle installed in
accordance with National Electric Code and local
codes and ordinances.
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