Grizzly G0454, G0453 owner manual Machine Operation, Amount of snipe

Motor & Electrical (continued)

Symptom	Possible Cause	Possible Solution
Machine has	8. Motor fan rubbing on fan cover.	8. Fix/replace fan cover; replace loose/damaged fan.
vibration or noisy	9. Bed rollers protruding unevenly.	9. Adjust bed rollers (Page 26).
operation.	10. Motor bearings at fault.	10. Test by rotating shaft; rotational grinding/loose shaft
		requires bearing replacement.
	11. Cutterhead bearings at fault.	11. Replace bearing(s)/realign cutterhead.
	12. Centrifugal switch is at fault.	12. Replace switch.
	13. Chip deflector hitting knives.	13. Check/replace chip deflector and realign (Page 43).
Machine Operation

Symptom	Possible Cause		Possible Solution
Excessive snipe	1.	One or both of the bed rollers are set too	1.	Lower the bed rollers (Page 26).
(gouge at the end of		high.
the workpiece that	2.	Rear extension wing slopes down or is not	2.	Adjust the rear extension wing set screws to make
is uneven with the
		level with main table.		the extension level with the main table (Page 18).
rest of the cut).
	3.	Chip breaker or pressure bar set too low.	3.	Raise the height of the chip breaker or pressure bar
Note: A small				(Page 40).
amount of snipe	4.	Workpiece is not properly supported as it	4.	Use an assistant or roller beds/stands to properly
is inevitable		leaves the planer.		support the workpiece as it leaves the planer.
with all types of
planers—the key is
to minimize it.
Workpiece stops/	1.	Depth of cut too deep.	1.	Reduce the depth of cut (Page 26).
slows in the middle	2.	Pitch and glue build-up on planer	2.	Clean planer components with a pitch/resin dissolving
of the cut.		components.		solvent.
	3.	One or both of the bed rollers are set too	3.	Lower/raise the bed rollers (Page 26).
		low or too high.
	4.	Chip breaker or pressure bar set too low.	4.	Raise the height of the chip breaker or pressure bar
				(Page 40).
	5.	Feed rollers set too low or too high.	5.	Adjust the feed rollers to the correct height (Page
				40).
Consistent chipping	1.	Knots or conflicting grain direction in	1.	Inspect workpiece for knots and grain direction; use
pattern.		workpiece.		only clean stock (Page 24).
	2.	Nicked or chipped knife.	2.	Sharpen/replace knife (Page 36).
	3.	Feed rate too fast.	3.	Reduce feed rate (Page 25).
	4.	Depth of cut too deep.	4.	Reduce the depth of cut (Page 26).
	5.	Misaligned chip breaker.	5.	Adjust both sides of chip breaker to the correct
				height (Page 40).

-34- G0453/G0454 (Mfg. Since 3/08)