Grizzly EXTREME Series Owner's Manual page 39

Operations
Symptom Possible Cause
Tables are 1. Table lock is engaged.
hard to adjust.
2. Table stop bolts blocking movement.
Excessive 1. Outfeed table is set too low.
snipe or
gouge in the
2. Too much downward pressure on
workpiece end
workpiece end.
that is uneven
with the rest of
the cut.
Workpiece 1. Outfeed table is set too high.
stops in the
middle of the cut.
Chipping or 1. Knots or conflicting grain direction in stock.
stuttering
patterns in
2. Nicked or chipped knife or insert.
workpiece.
3. Feeding workpiece too fast.
4. Depth of cut too much.
5. Poor dust collection, chips not being
cleared from workpiece.
Fuzzy grain 1. Wood moisture too high.
left in workpiece.
2. Dull knives or inserts.
Long lines or 1. Nicked or chipped knife or insert.
ridges along
2. Loose or incorrectly installed insert.
the length of
workpiece.
Wavy finish or 1. Feed workpiece too fast.
chatter marks.
2. Knives set unevenly.
Workpiece 1. Board not held with even pressure
surface is
during cut.
concave/
2. Stock has excessive bow or warp.
convex after
jointing.
3. Insufficient number of passes.
Extreme Series Jointer (Mfd. Since 10/20)
Possible Solution
1. Loosen the table lock.
2. Adjust table stop bolts (Page 46).
1. Align outfeed table height with cutterhead TDC
(Page 44).
2. Reduce downward pressure on that end of the
workpiece.
1. Align outfeed table height with cutterhead TDC
(Page 44).
1. Inspect workpiece for defects, cut with grain
(Page 26).
2. Replace/rotate knives/inserts (Pages 38–39).
3. Reduce feed rate.
4. Reduce the depth of cut.
5. Check dust collection for proper operation;
clear blockages; reconfigure ducting system.
1. Stock moisture content should be less than
20%; sticker and let dry if necessary.
2. Replace/rotate knives/inserts (Pages 38–39).
1. Replace/rotate knives/inserts (Pages 38–39).
2. Remove/replace insert and install properly
(Page 38).
1. Reduce feed rate.
2. Check/adjust all knives for correct installation
and height (Page 39).
1. Maintain even downward
workpiece during operation.
2. Surface plane one face to use against the
jointer fence.
3. Increase number of passes until the workpiece
face is flat.
pressure on
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