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Model G0790 (Mfd. Since 9/15)
-29-
To reduce risk of shock or
accidental startup, always
disconnect machine from
power before adjustments,
maintenance, or service.
Knife Replacement
The condition of the knives on the Model G0790
will affect the precision of the cut. During opera-
tion, watch for the following signs of dulled knives.
• Raised grain occurs as a result of dull knives
hammering at the surface of the wood.
• A "fuzzy" appearance on the surface of the
wood occurs as a result of dull knives tearing,
rather than cutting the wood fibers.
• Ridges occur as a result of nicks along the
knife edge.
• Difficulty feeding the workpiece into the
planer.
If any of these signs become apparent during use,
the knives should be reversed or replaced.
The cutterhead knives on Model G0790 are
extremely sharp. Accidental contact with
knives can result in severe cuts. Take great
caution whenever working with or around
cutterhead knives. Wear heavy leather
gloves to reduce risk of severe cuts.
To maintain accurate and consistent plan-
ing results, we do not recommend sharpen-
ing knives yourself. Instead, just replace
dull knives or have them professionally
sharpened.
Tools Needed Qty
Hex Wrench 4mm .............................................. 1
Removing Knives
1. DISCONNECT MACHINE FROM POWER!
2. Remove (2) M5-.8 x 10 cap screws from
cutterhead guard, then remove guard (see
Figure 27).
Note: Cutterhead guard locks in place.
After removing cap screws, slide guard right
approximately
1
⁄8" to release.
Figure 27. Position of cutterhead guard prior to
disassembly.
Cutterhead
Guard
Cap Screws
The knives on the Model G0790 Planer are
reversible and should always be reversed or
replaced as a matched set. To avoid downtime,
we recommend having an extra set of knives for
your planer. Once the cutterhead, gib, and knives
have been inspected and prepared, install the
knives.
Before re-installing the knives, the cutterhead,
gib and knife must be inspected. Neglecting to
inspect these components may result in damage
to the planer.