Grizzly G0813 Owner's Manual page 51

Knife-Setting Jig Method
The infeed table is lowered to fit the jig on the
cutterhead, as shown, and the knife heights
are set to just touch the middle pad of the jig.
The knife-setting jig included with the jointer is
designed to set all the knives evenly and at the
correct height in the cutterhead.
Figure 67. Example of knife-setting jig positioned
over cutterhead knife.
Loosen
Tighten
Figure 68. Cutterhead profile diagram.
To check knife height with a knife-setting jig:
1.
DISCONNECT MACHINE FROM POWER!
2.
Remove cutterhead guard or block it open.
3.
Lower infeed table to
4.
Place knife jig on cutterhead, directly over a
knife.
5.
Closely examine how jig touches cutterhead
and knife. Knife is set correctly when, on
each side of cutterhead, both legs of jig sit
firmly on cutterhead body and middle pad of
jig just touches top edge of knife.
Model G0813/G0814/G0814X (Mfd. Since 10/19)
— If jig does not sit as described, then that
knife must be reset. Repeat this inspection
Middle
Pad
Knife
Gib Bolt
Gib
Jack
Screw
⁄ " scale mark.
1
2
4.
Place knife jig on cutterhead, directly over a
knife.
5. Closely examine how jig touches cutterhead
and knife. Knife is set correctly when, on
each side of cutterhead, both legs of jig sit
firmly on cutterhead body and middle pad of
jig just touches top edge of knife.
— If jig does not sit as described, then that
knife must be reset. Repeat this inspection
with other knives before resetting.
Figure 69. Using knife-setting jig to set knife
height.
Setting/Replacing Knives
1.
DISCONNECT MACHINE FROM POWER!
2.
Remove cutterhead guard from table and
lower infeed table to
scale. This will provide unrestricted access to
cutterhead.
3.
Remove cabinet rear access panel to expose
cutterhead pulley.
4.
Rotate cutterhead pulley to provide good
access to cutterhead knives.
5.
Loosen cutterhead gib bolts, starting in the
middle, and alternating back and forth until all
gib bolts are loose, but not falling out.
The first time you set or replace a knife,
remove gib and knife from cutterhead. Clean
gib and clean inside cutterhead slot to remove
all pitch or sawdust. Coat knife and gib with a
metal protectant.
6. Position knife jig over knife. Loosen gib bolts
until knife is completely loose.
7. Access jack screws through holes in cutter-
head. Using a hex wrench, rotate jack screws
to raise or lower knife. When knife is set cor-
rectly, it will barely touch middle pad of knife
⁄ " on depth-of-cut
1
2
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