Woodstock M1001 manual Troubleshooting, Symptom Possible Cause

M1001 6" x 26" Vertical Mill

Troubleshooting

This section covers the most common problems. WARNING! DO NOT make any adjust- ments until the mill is unplugged and all moving parts have come to a complete stop.

	SYMPTOM		POSSIBLE CAUSE		corrective action
	Motor will not start.	1.	Tripped circuit breaker or relay	1.	Reset circuit breaker by flipping switch on then
			inside machine wiring box or power		off then back on. Reset relay by pressing the reset
			source breaker box.		button located on the face.
		2.	Low voltage.	2.	Check power supply for proper voltage.
		3.	Open circuit in motor or loose	3.	Inspect all lead connections on motor and magnetic
			connections.		switch for loose or open connections.
		4.	Switch at fault.	4.	Replace switch.
		5.	Faulty start capacitor.	5.	Replace start capacitor.
	Fuses or circuit breakers	1.	Short circuit in line cord or plug.	1.	Inspect cord or plug for damaged insulation and
	trip open.				shorted wires and replace extension cord.
		2.	Short circuit in motor or loose	2.	Inspect all connections on motor for loose or
			connections.		shorted terminals or worn insulation.
		3.	Incorrect fuses or circuit breakers	3.	Install correct fuses or circuit breakers.
			in power supply.
	Motor overheats.	1.	Motor overloaded.	1.	Reduce load on motor.
		2.	Air circulation through the motor	2.	Clean out motor to provide normal air circulation.
			restricted.
	Tool slips in collet.	1.	Collet is not fully drawn up into	1.	Snug up draw bar.
			spindle taper.
		2.	Wrong size collet.	2.	Measure tool shank diameter and match with
					appropriate diameter collet.
		3.	Debris in collet or in spindle taper.	3.	Remove all oil and debris from collet and spindle
					taper.
		4.	Taking too big of a cut.	4.	Lessen depth of cut and allow chips to clear.
	Breaking tools or cutters.	1.	RPM and or feed rate is too fast.	1.	Use tables to set correct RPM and feed rates.
		2.	Cutting tool getting too hot.	2.	Use cutting fluid or oil for appropriate application.
		3.	Taking too big of a cut.	3.	Lessen depth of cut and allow chips to clear.
	Machine is loud when	1.	Excessive depth of cut.	1.	Decrease depth of cut.
	cutting. Overheats or bogs	2.	Dull cutting tools.	2.	Use sharp cutting tools.
	down in the cut.
	Workpiece vibrates or	1.	Table locks not tight.	1.	Tighten down table locks.
	chatters during operation.	2.	Spindle lock not tight.	2.	Tighten spindle lock.
		3.	Workpiece not securely clamped to	3.	Check that clamping is tight and sufficient for the
			table or into mill vice.		job. Make sure mill vice is tight to the table.
		4.	RPM and feed rate too high.	4.	Use appropriate RPM and feed for the job.
	Table hard to move.	1.	Table locks are tightened down.	1.	Make sure table locks are fully released.
		2.	Chips have loaded up on bedways.	2.	Frequently clean away chips that load up during
					milling operations.
SERVICE		3.	Bedways are dry and in need of	3.	Lubricate bedways and handles.
			lubrication.
		4.	Longitudinal stops are interfering.	4.	Check to make sure that stops are floating and not
					hitting the center stop.
		5.	Gibs are too tight.	5.	Loosen gib screw(s).
	Bad surface finish.	1.	Wrong RPM or feed rate.	1.	Adjust for appropriate RPM and feed rate.
		2.	Dull cutting tool or poor cutting	2.	Sharpen cutting tool or select a better cutting tool
			tool selection.		for the intended operation.
		3.	Wrong rotation of cutting tool.	3.	Check for proper cutting rotation for cutting tool.

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