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G0663 12½" Planer
-21-
Knife Replacement
The condition of the knives on the Model G0663
Planer will affect the precision of the cut. During
operation, watch for the following signs of dulled
knives.
• Raised grain occurring as a result of dull
knives hammering at the surface of the
wood.
• A "fuzzy" appearance on the surface of the
wood as a result of dull knives tearing, rather
than cutting the wood fibers.
• Grooves as a result of nicks along the knife
edge.
If any of these signs become apparent during use,
the knives must be reversed or replaced. Do not
attempt to sharpen the knive
s.
To remove the knives:
1. DISCONNECT PLANER FROM POWER!
2. Remove the cap screws from the knife
guard, then remove the guard (
Figure 19).
3. Wearing gloves, carefully turn the cutterhead
towards you until the safety latch engages
and the cutterhead no longer turns (
Figure
20).
Figure 19. Removing knife guard.
Knife Guard
Cap Screws
Figure 20. Exposed cutterhead.
4. Remove the six button head cap screws from
the gib.
5. Use the included magnets, as shown in
Figure 21, to first remove the gib, then the
knife.
Cutterhead
Gib
Figure 21. Knife removal.
6. Depress the safety latch, then carefully rotate
the cutterhead towards you approximately ¼
turn. Release the safety latch and continue
rotating the cutterhead until the second knife
is exposed and the safety latch again engag
-
es.
7. Repeat Steps 4 and 5 for the second knife.
Magnets
Knife
Safety Latch
The cutterhead knives on the Model G0663
are extremely sharp. Brushing your finger
along the edge can result in a severe cut. Take
extreme caution when doing any of the adjust
-
ments involving the cutterhead knives. Wear
thick gloves anytime it is necessary to manu
-
ally rotate the cutterhead assembly.