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G0633/G0634 Jointer/Planer Combo Machine
-43-
—The knives are set correctly when they just
touch the bottom of the straightedge in
each of the straightedge positions.
—If the knives do not touch the straightedge
or they lift it up in any of the positions, then
those knives need to be adjusted.
Adjusting /Replacing
Knives (G0633)
Tools Needed: Qty
Straightedge ...................................................... 1
Hex Wrench 3mm ..............................................
1
Wrench 8mm .....................................................
1
Setting the knives correctly is crucial to the proper
operation of the jointer and is very important in
keeping the knives sharp. If one knife is higher
than the others, it will do the majority of the work,
and thus, dull much faster than the others.
There are two options for setting the knives—the
straightedge method and the knife setting jig
method. Each option has advantages and dis
-
advantages and the correct one for you will
become a matter of personal preference.
For
best results, the tables must be parallel with each
other (Checking/Adjusting Table Parallelism
on Page 39) and the outfeed table height must
be properly
set (Setting Outfeed Table Height
on Page 18).
Straightedge Method
: A high quality straightedge
is held flat against the outfeed table and the knife
heights are set to the bottom of the straightedge,
as shown in
Figure 59. Because the knife projec-
tion height from the cutterhead is dependent on
the outfeed table height, the outfeed table must
be parallel to the cutterhead (
Page 39) and set as
described in Setting Outfeed Table Height
on
Page 18 for this method to work correctly.
Figure 61. Cutterhead profile diagram.
The Model G0633 comes with both jack screws
and springs inside the cutterhead to provide two
options for adjusting the knives (see
Figure 61).
Note: Only one of these options is needed to set
the knives—see
Step 5 for clarification.
Knife Setting Jig Method: Both tables are flipped
up to fit the gauge on the cutterhead, as shown in
Figure 60, and the knife heights are set to just
touch the middle pad of the gauge.
The knife setting gauge makes it easy to ensure
that the knives project out of the cutterhead
evenly. After using the knife setting gauge to set
the knives, you have to re-adjust the outfeed table
height to ensure that it is even with the knives at
their highest point of rotation
.
The included knife gauge is designed to set
the knives approximately
0.062" higher than the
cutterhead.
Figure 60. Using knife setting gauge to set knife
height.