11
Setting Up the Machine
Setting the chisel auger clearance
General Notes
The mortise will generate a lot of ‘grip’ on the chisel,
especially the first cut, or if the timber is a little green.
Make sure you use the table clamp assembly to help
control the timber during the raise operation of the
morticer.
Setting the chisel Square
When the chisel is tightened in the machine it must
normally be square to the back fence. The easiest way to
achieve this is to bring the headbox down to bring the
chisel as close to the table as possible, set a square against
the back fence and set the side of the chisel against the
square and clamp tight. (Remember to have the chip
ejection slot in the chisel to the side from which you will
cut the mortice).
Quick Setting of the Mortice Depth
Put a mark on an easily accessible end of the workpiece to
be mortised, at the depth you
require. Pull the headbox down, and put the end of the
timber against the chisel, position the headbox so that the
chisel points or the auger point are at the depth required,
raise the depth stop collar to the underside of the headbox
and tighten gently. Recheck the depth of the chisel point,
if it is satisfactory tighten securely, if not it can be gently
‘nudged’ down the column with the headbox, then
tighten. Reposition the operating handle to give the most
comfortable position and purchase on the lever, over the
full distance of the movement you have just set.
Headbox Rise Adjustment
Coupled with the depth stop on the same assembly is the
head box rise limiter. This limits the rise of the headbox /
chisel to a convenient distance above the work by the use
of a locking collar positioned above the stop finger on the
side of the headbox. The travel of this assembly is then
restricted to your chosen setting rather than having to
return it to the top of the slide each time.
Fig C.
Содержание AC16BM
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