Grizzly G0453W Owner's Manual page 30

Tools Needed
Phillips Screwdriver ........................................... 1
Open-End Wrench 12, 13mm ......................1 Ea.
Hex Wrench 3mm .............................................. 1
Knife-Setting Jig ................................................ 1
To adjust height of knives:
1.
DISCONNECT MACHINE FROM POWER!
2.
Remove rear dust hood and top cover to
expose cutterhead.
3.
Remove belt cover, then rotate cutterhead
pulley to give you good access to one of the
knives.
Loosen
Tighten
Gib Bolt
Figure 30. G0453W/G0454W cutterhead
components.
4. Loosen cutterhead gib bolts until knife is
completely loose, then position knife-setting
jig over knife so that knife edge is directly
under center pad, as shown in Figure 31.
Center
Pad
Gib
Bolt
Figure 31. Knife-setting jig correctly positioned
over knife.
-28-
Qty
Knife
Jack Screw
Gib
Spring
Knife
Gauge
Knife
5. Insert hex wrench into jack screws through
access holes in cutterhead (see Figure 32).
Rotate jack screws to raise or lower knife until
it barely touches center pad of knife-setting
jig with all legs of jig still firmly on cutterhead,
then snug gib bolts enough to hold knife in
place.
Figure 32. G0453W & G0454W jack screw
access hole in cutterhead.
6.
Slightly tighten gib bolts, starting at middle
and working your way to ends by alternating
left and right, as illustrated in Figure 33.
5 3
Figure 33. Gib bolt tightening sequence.
7. Repeat Step 6, tightening gib bolts a little
more.
8. Repeat Step 6, tightening gib bolts all the
way.
9. Repeat Steps 4–8 for remaining knives.
G0453W/ZW–G0454W/ZW (Mfd. Since 05/16)
Jack Screw
Access Holes
4
1 2