Jet Tools 22-44 Plus owner manual Troubleshooting Guide, Problem Possible Cause Solution

Troubleshooting Guide

Problem		Possible Cause		Solution
Conveyor belt does not		Shaft coupler not attached.		Attach shaft coupler.
move.
Conveyor rollers run				Align shaft flats of gear motor and
		Shaft coupling loose.		drive roller and tighten shaft coupling
intermittently.
				set screws.
Abrasive Strip Comes		1.	Slack in abrasive strip on drum.	1.	Remove slack in strip.
				2.	Read section on wrapping
off Drum.		2.	Abrasive improperly wrapped.
					abrasive strips.
		1.	Strip caught on inside edge of	1.	Re-adjust strip end in slot and/or
Abrasive Strip Loose.			slot, or on inboard side of drum.		trim abrasive edge.
		2.	Strip not cut properly.	2.	Recut and install abrasive strip.
Abrasive Loads up		1.	Excessive depth of cut.	1.	Reduce depth of cut.
		2.	Excessive feed rate.	2.	Use slower feed rate.
Prematurely.		3.	Inadequate dust collection.	3.	Increase airflow at dust ports.
		4.	Inadequate abrasive.	4.	Use open-coat abrasive.
Line or Groove in Stock.		1.	Inconsistent feed rate.	1.	Do not stop or change feed rate.
		1.	Abrasive strip overlapped.	1.	Re-wrap abrasive strip.
		2.	Excessive depth of cut.	2.	Reduce depth of cut.
Wood Burns.		3.	Depth of cut excessive for fine	3.	Use coarser grit or reduce depth
			grit.		of cut.
		4.	Feed rate too slow.	4.	Increase feed rate.
		5.	Abrasive loaded.	5.	Clean abrasives.
		6.	Worn abrasives.	6.	Replace abrasives.
Board slips on conveyor		1.	Tension rollers too high.	1.	Lower tension rollers.
		2.	Excessive feed rate.	2.	Reduce feed rate.
belt.
		3.	Dirty or word conveyor belt.	3.	Replace conveyor belt.
Sander motors slow or		1.	Improper conveyor belt tension.	1.	Adjust belt tension.
		2.	Excessive depth of cut.	2.	Reduce depth of cut.
stall
		3.	Excessive feed rate.	3.	Reduce feed rate.
				A1.	Conveyor belt slipping, see
					above.
Rippled sanded surface				A1.	Board slips on conveyor, see
					above.
A.	Non uniformly	A.	Uneven feed rate.	A1.	Power feed gear motor stalls,
	spaced ripples.	B.	Conveyor bed flexing or		see above.
B.	Uniformly spaced		vibration.	B1.	Reduce depth of cut.
	ripples.			B1.	Reduce feed rate.
				B1.	Check for loose bolts, shaft
					coupling set screws or out of
					balance drum.
				1.	Maintain constant feed rate (by
		1.	Inconsistent feed rate.		hand).
				2.	Excessive depth of cut
Gouging of wood.		2.	Stock slipping on conveyor.
					(PowerFeed) or inadequate hold
		3.	Workpiece not properly
					down pressure.
			supported.
				3.	Add work supports for long
					workpieces.
Snipe		1.	Improper tension rollers setting	1.	See tension roller adjustment.
		1.	Excessive load on sanding drum	1.	Allow motor to cool and reset
Motor overload					overload button.
			and motor.
				2.	Have a certified electrician
protector trips or shop		2.	Too many tools on circuit.
					correct the shop wiring problem.
wiring breaker trips.		3.	Excessive length or inadequate
				3.	Use a shorter heavier gauge
			size extension cord.
					extension cord.

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