Grizzly G1021X2 Owner's Manual page 42

Machine Operation (cont.)
Symptom Possible cause
Fuzzy grain. 1. Wood may have high moisture content or
2. dull knives/inserts.
long lines or ridges 1. nicked or chipped knife/inserts.
that run along length
of board.
uneven cutting` 1. Feeding workpiece too fast.
marks, wavy surface,
2. Chip breaker or pressure bar set unevenly
or chatter marks
across face of board.
3. Knives not installed evenly/inserts not
4. Worn cutterhead bearings.
glossy surface. 1. Knives/inserts are dull.
2. Feeding workpiece too slow.
3. Cutting depth too shallow.
if workpiece twists in 1. Feed rollers not parallel with table.
machine.
-40-
surface wetness.
or not low enough.
properly installed.
Possible Solution
1. Check moisture content is below 20% and allow to
dry if moisture is too high.
2. replace knives (Page 28) or have them
professionally sharpened; rotate/replace inserts
(Page 31).
1. replace knives (Page 28) or have them
professionally sharpened; rotate/replace inserts
(Page 31).
1. Slow down feed rate.
2. adjust height of chip breaker (Page 43).
3. adjust knives with knife gauge (Page 28); remove
inserts, properly clean mounting pocket and re-
install (Page 31).
4. replace cutterhead bearings.
1. replace knives (Page 28) or have them
professionally sharpened; rotate/replace inserts
(Page 31).
2. increase feed rate.
3. increase depth of cut.
1. adjust feed rollers (Page 43).
G1021X2 & G1021Z (Mfd. Since 08/16)