Grizzly G0453W, Owner'S Manual

Page: 30 / 76

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G0453W/ZW–G0454W/ZW (Mfd. Since 05/16)
Tools Needed Qty
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.
Jack Screw
Gib
Gib Bolt
Spring
Knife
Loosen
Tighten
Figure 30. G0453W/G0454W cutterhead
components.
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.
Jack Screw
Access Holes
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.
Figure 31. Knife-setting jig correctly positioned
over knife.
Center
Pad
Gib
Bolt
Knife
Gauge
Knife
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.
1
2
3
4
5
Figure 33. Gib bolt tightening sequence.
6. Slightly tighten gib bolts, starting at middle
and working your way to ends by alternating
left and right, as illustrated in
Figure 33.