Grizzly G0855 Owner's Manual page 46

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 the 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. Jack Screws—Access jack screws through
holes in cutterhead (see Figure below).
Using a hex wrench, rotate jack screws to
raise or lower knife. When knife is set cor-
rectly, it will barely touch the bottom of the
straightedge or the middle pad of the knife jig.
Snug gib bolts just tight enough to hold knife
in place. Repeat with remaining knives.
Jack
Screw
Figure 54. Location of jack screw access hole.
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Springs—Push knife down with straight-
5. Loosen cutterhead gib bolts, starting in the
edge or middle pad of knife-setting jig (see
middle, and alternating back and forth until all
Figure below). Keep straightedge flat against
gib bolts are loose, but not falling out.
outfeed table. If using jig, keep feet pressed
evenly against cutterhead. Tighten gib bolts
The first time you set or replace a knife,
just enough to hold knife in place. Repeat
remove gib and knife from cutterhead. Clean
with remaining knives.
gib and clean inside cutterhead slot to remove
all pitch or sawdust. Coat knife and gib with a
5. metal protectant.
Loosen cutterhead gib bolts, starting in the
middle, and alternating back and forth until all
6. Position knife jig over knife. Loosen gib bolts
gib bolts are loose, but not falling out.
until knife is completely loose.
The first time you set or replace a knife,
7. Access jack screws through holes in cutter-
remove gib and knife from cutterhead. Clean
head. Using a hex wrench, rotate jack screws
gib and clean inside cutterhead slot to remove
to raise or lower knife. When knife is set cor-
all pitch or sawdust. Coat knife and gib with a
rectly, it will barely touch middle pad of knife
metal protectant.
jig or bottom of straightedge in each of the
6.
straightedge positions. Snug gib bolts just Position knife jig over knife. Loosen gib bolts
until knife is completely loose. tight enough to hold knife in place. Repeat
Figure 55. Location of spring.
with remaining knives.
7.
Access jack screws through holes in cutter-
8.
head. Using a hex wrench, rotate jack screws Rotate cutterhead to reveal the first knife
to raise or lower knife. When knife is set cor- you started with. Lightly snug all gib bolts,
alternating from one side to the other, and rectly, it will barely touch middle pad of knife
jig or bottom of straightedge in each of the working from the ends to the middle. Repeat
straightedge positions. Snug gib bolts just with remaining knives.
tight enough to hold knife in place. Repeat
9.
with remaining knives. Tighten each gib bolt in the same alternating
manner as you did in the previous step.
8.
Rotate cutterhead to reveal the first knife
10. Make sure outfeed table is set even with the
you started with. Lightly snug all gib bolts,
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alternating from one side to the other, and new knives at top dead center.
working from the ends to the middle. Repeat
Figure 56. Gib bolt tightening sequence.
11. Replace cutterhead guard and cabinet rear
with remaining knives.
access panel.
9. Tighten each gib bolt in the same alternating
manner as you did in the previous step.
10. Make sure outfeed table is set even with the
new knives at top dead center.
11. Replace cutterhead guard and cabinet rear
access panel.
Model G0855/G0856 (Mfd. Since 02/19)
Spring
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