Grizzly G0453W Owner's Manual page 41

Machine Operation (Continued)
Symptom Possible Cause
Uneven cutting` 1. Feeding workpiece too fast.
marks, wavy surface,
2. Chipbreaker 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. Pressure bar set unevenly.
machine.
2. Feed rollers not parallel with table.
G0453W/ZW–G0454W/ZW (Mfd. Since 05/16)
or not low enough.
properly installed.
Possible Solution
1. Slow down feed rate.
2. Adjust height of chipbreaker or pressure bar
(Page 42).
3. Adjust knives with knife gauge (Page 27); remove
inserts, properly clean mounting pocket and re-
install (Page 29).
4. Replace cutterhead bearings.
1. Replace knives (Page 27) or have them
professionally sharpened; rotate/replace inserts
(Page 29).
2. Increase feed rate.
3. Increase depth of cut.
1. Adjust height of pressure bar (Page 42).
2. Adjust feed rollers (Page 42).
-39-