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Rotating/Replacing Cutterhead Inserts
Rotating/Replacing
Cutterhead Inserts
The spiral cutterhead is equipped with 4-sided
indexable carbide inserts. Each insert can be
removed, rotated, and re-installed to use any one
of its four cutting edges. Therefore, if one cutting
edge becomes dull or damaged, simply rotate it
90˚ (as shown below) to use a sharp cutting edge.
The inserts have a reference dot on one corner.
The position of the reference dot on installed
inserts can be used to track which edges are
sharp/unused and which edges are dull or dam-
aged. Replace inserts once the reference dot has
been rotated back to its original position.
Figure 37. Insert rotating sequence.
Figure . Insert rotating sequence.
Items Needed
Phillips Screwdriver #2 ...................................... 1
Torque Wrench .................................................. 1
T-20 Torx Bit ...................................................... 1
Precision Straightedge ...................................... 1
To rotate or replace spiral cutterhead insert:
1.
DISCONNECT MACHINE FROM POWER!
2.
Remove cutterhead guard from table, and
lower infeed table as far down as it will go.
3.
Remove cover to get access to cutterhead
pulley.
4.
Taking care not to pinch your hand between
belt and pulley, rotate pulley as needed to
make inserts accessible for removal.
-34-
Reference Dot
Qty
5.
Put on heavy leather gloves to protect fingers
and hands.
6.
Carefully clean away all sawdust or debris
from top of insert, Torx screw, and surround-
ing area Figure 38).
Torx
Screw
Cutterhead
Insert
Figure 38. Location of cutterhead inserts and
Torx screws.
7.
Remove Torx screw and insert, then carefully
clean away all dust and debris from insert
and insert pocket in cutterhead.
IMPORTANT: This step is critical for achiev-
ing a smooth finish with cutting operations.
Dirt or dust trapped under insert during instal-
lation will slightly raise insert in cutterhead,
which will leave marks on workpiece after
jointing.
Tip: Use low-pressure compressed air or a
vacuum nozzle to clean cutterhead pocket.
8.
Re-install insert with a sharp cutting edge
facing outward. Make sure insert is properly
seated in cutterhead pocket before securing.
— If all four insert cutting edges have been
used, replace insert with a new one. Always
position reference dot in same position
when installing a new insert to aid in rota-
tional sequencing.
9.
Lubricate Torx screw threads with a small
amount of light machine oil, wipe excess off,
and torque screw to 48–50 inch/pounds.
IMPORTANT: If too much oil is applied to the
threads, excess will attempt to squeeze out of
threaded hole as you install insert and force it
to raise slightly, making it out of alignment.
Model G0834 (Mfd. Since 12/17)
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