Grizzly EXTREME G9860 Owner's Manual page 43

6.
Carefully remove the knife and gib.
7. if the knife is dull or damaged, replace it with
a new one.
8.
Clean the knife, gib, and inside the cutterhead
slot to remove all the pitch or sawdust. Coat
the knife and gib with a metal protectant
(refer to page 32), then fit the gib back into
the cutterhead with the knife.
9. Make sure the beveled side of the knife
is against the cutterhead, as shown in
Figure 61.
10. position the straightedge on the outfeed
table and over one end of the knife, then
use magnets or an assistant to make sure
the straightedge stays in full contact with the
outfeed table along its full length.
11. insert the 3mm hex wrench through the
access holes in the cutterhead, then rotate
the jack screws to raise or lower the knife (see
Figure 62). When the knife is set correctly, it
will just touch the bottom of the straightedge
without lifting it.
Figure 62. Jack screw access hole.
Extreme series Jointer (Mfg. since 9/11)
Jack screw
access hole
12. rotate all of the gib bolts counterclockwise
just enough so the gib holds the knife in
place.
13. repeat Steps 11–12 on the other end of the
cutterhead, then repeat Steps 4–12 with the
rest of the knives.
14. rotate the cutterhead to the first knife you
started with.
15. slightly tighten all the gib bolts, starting in
the middle and working your way to the ends
by alternating left and right, as illustrated in
Figure 63. repeat this step with the rest of
the knives.
5
3
Figure 63. Knife gib bolt tightening sequence.
16. repeat Step 15.
17. repeat Step 15 again, but final tighten each
gib bolt.
18. replace the motor access cover, the fence
assembly, and the cutterhead guard.
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