Jet JJ-6CSDX Operating Instructions And Parts Manual page 16

Setting Cutterhead Knives (JJ-6CSX)
Cutterhead
dangerously sharp! Use extreme caution when
inspecting, removing, sharpening or replacing
knives into the cutterhead. Failure to comply
may cause serious injury!
1. Carefully number each blade with a magic
marker to make them easier to differentiate.
2. Rotate the cutterhead
cutterhead pulley and determine the 12 o'clock
position of knife number one. The 12 o'clock
position is the highest point a blade will reach
in the cutting arc.
3. Loosen table lock screw (A, Fig. 19) and gib
lock screw (B, Fig. 19) and raise the outfeed
table to the height of blade number one by
turning hand wheel (A, Fig. 20).
clockwise will cause the outfeed table to raise.
Clockwise will cause the outfeed table to
lower. Set a straight edge on the outfeed
table. Position of the table and straight edge
should look like Figure 21.
handling the straight edge near the blades so
as not to damage them.
4. When the outfeed table and blade number one
are the same height, tighten gib and table lock
screws.
Important: Do not change the setting for the
outfeed table again. This will only change if the
blades are replaced.
5. Bring the straight edge toward the left of the
jointer and confirm that blade number one is at
the same height at the left of the table as it is
at the right side of the table. (Fig. 22)
6. If blade is higher or lower at the right of the
table than it is at the left, slightly loosen four
screws (A, Fig. 21) by turning clockwise as
viewed from the infeed table. Blades are
adjusted with jacking screws To lower, turn the
screw clockwise. To raise, turn the screw
counter-clockwise.
Blades are set at the proper height when the
top of the blades are 1/16" above the
cutterhead.
7. Alternately tighten four screws to hold each
blade in place.
8. Repeat this process with blades two and three.
The outfeed table and cutterhead knives are
correctly adjusted when all three blades are
parallel to the outfeed table and all three
blades are set at the same height in the
cutterhead.
knives are
by turning the
Counter-
Use care when
16
Figure 19
Figure 20
Figure 21
Figure 22