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Rotating/Changing
Cutterhead Inserts
(G0490XW)
This spiral cutterhead is equipped with index-
able carbide inserts. Each insert can be rotat-
ed to reveal any one of its four cutting edges.
Therefore, if one cutting edge becomes dull or
damaged, simply rotate it 90˚ to reveal a fresh
cutting edge as shown below.
Each insert has a reference dot on one corner.
As the insert is rotated, the reference dot location
can be used as an indicator of which edges are
used and which are new. When the reference dot
revolves back around to its starting position, the
insert should be replaced.
Figure 65. Insert rotating sequence.
Tools 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 and outfeed tables as far as they
go, to provide access to cutterhead.
3.
Remove cabinet rear access panel to expose
cutterhead pulley.
4.
Rotate cutterhead pulley to provide access to
insert(s) to be rotated/replaced.
Model G0490W/G0490XW (Mfd. Since 5/16)
Reference Dot
Qty
5.
Put on heavy leather gloves to protect fingers
and hands.
6.
Remove any sawdust or debris from head of
insert, Torx screw, and surrounding area (see
Figure).
Cutterhead
Insert
Figure 66. Location of cutterhead inserts and
Torx screws.
7.
Remove Torx screw and insert, then clean all
dust and debris from both parts and pocket
they were removed from.
Note: Proper cleaning of insert(s), Torx screw,
and cutterhead pocket is critical to achieving
a smooth finish. Dirt or dust trapped between
insert and cutterhead will raise insert, and
make marks on your workpiece when jointing.
Tip: Use low-pressure compressed air or
vacuum nozzle to clean cutterhead pocket.
8.
Re-install insert so that a fresh cutting edge
faces outward, making sure it is properly
seated in cutterhead pocket.
— 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.
Note: If too much oil is applied to the threads,
excess will attempt to squeeze out of thread-
ed hole as you install insert and force it to
raise slightly, making it out of alignment.
Torx
Screw
-41-
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