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Inspecting Knives
(G0656W)
The height of the knives can be inspected with
a straightedge to ensure that they are set even
with the outfeed table at their highest point in the
cutterhead rotation, or top dead center (TDC).
To inspect the knives:
1.
DISCONNECT MACHINE FROM POWER!
2.
Remove cutterhead guard or block it out of
the way.
3.
Using a straightedge on outfeed table, check
height of each knife at positions shown in
Figure 60 below.
Black Lines Represent
Straightedge Positions
From Overhead View
Knife at TDC
Straightedge
Outfeed
Figure 60. Using a straightedge to inspect
knives.
— The knives are set correctly set when they
just touch the bottom of the straightedge
at TDC in each of t straightedge positions
Model G0656W/G0656XW (Mfd. Since 08/16)
Setting/Replacing
Knives (G0656W)
Setting the knives correctly is crucial to the proper
operation of the jointer and it plays an important
role in keeping the knives sharp. If one knife is
higher than the others, it will do the majority of the
work, and thus, become dull much faster.
The knife-setting jig included with the jointer is
There are two options for setting the knives—the
designed to set all the knives evenly and at the
straightedge method and the knife-setting jig
correct height in the cutterhead.
method. Each option has advantages and disad-
vantages; the correct one for you will become a
The cutterhead in this jointer is equipped with
matter of personal preference. For best results,
jack screws that allow for careful positioning of
the tables must be parallel with each other (refer
the knives.
to Checking/Adjusting Table Parallelism on
Page 46) and the outfeed table height must be
properly set (refer to Setting Outfeed Table
Height on Page 23).
Straightedge Method: A high quality straight-
edge is held flat against the outfeed table and the
knife heights are set to the bottom of the straight-
edge, as shown in Figure 60. Because the knife
projection height from the cutterhead is depen-
dent on the outfeed table height, the outfeed table
must be set as described in Setting Outfeed
Table Height on Page 23 for this method to work
correctly.
When using the straightedge method to set the
knives, you will not need to move the outfeed
table once it is set and you will always be assured
that the knives are even with the outfeed table in
their highest point of rotation (TDC)—even if the
cutterhead is not parallel with the outfeed table.
Infeed
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