Trouble-Shootingfor Model 75 Dust Collector

Motor will not run.	1.	Defective cord, plug, switch,
		and/or motor.
	2.	Blown fuse or circuit breaker
		tripped.

1.Consult service. Any attempt to repair this motor may create a hazard unless repair is done by a qualified service technician.

2.Check for blown fuses and replace with fuse of proper capacity or re-set circuit breaker.

Excessive sawdust	1. Loose clamps; dust bag and/or		1.	Tighten clamps.
in air.		chip collection bag not secure.

	1.	Picked up large chips and de-	1.	Stop the machine to allow material to
Excessive		bris.		fall to the bottom of inlet pipe. Remove
impeller noise.				debris.
	2.	Loose impeller.	2.	Unplug unit prior to disassembly due to
				hazardous moving parts inside. Use a
				piece of wood to free impeller. Attach to
				inlet guard before plugging in.
	3.	Rubbing impeller.	3.	Consult service to repair loose or rub-
				bing impeller. A repair to the housing
				may create a hazard unless it is done
				by a qualified service technician.

1. Motor.

Excessive noise.

2. Overloaded circuit.

Motor fails to develop

full power.3. Undersize extension cord or ex- tension cord too long.

1.Have motor check by a qualified service technician.

2.Do not overload circuit when using dust collection system with other appliances.

3.Increase the wire sizes on extension cord, reduce length of extension cord or use larger wire sizes. Request a power check from the power company.

	1.	Low voltage.	1.	Request voltage check from power com-
Motor starts slowly or				pany.
fails to come up to full	2.	Windings burned out or open.	2.	Have motor repaired or replaced by a
speed.				qualified service technician.
	3.	Starting switch will not operate.	3.	Replace capacitor by a qualified service
		(Switch contacts not working		technician.
		properly.)

Motor overheats.	1.	Motor overloaded.	1 & 2. Clean out sawdust and provide nor-
	2.	Improper cooling. (Air circulation		mal air circulation through motor.
		restricted through motor due to
		sawdust accumulation inside of
		motor.

Motor stalls.	1.	Low voltage does not permit mo-	1.	Request voltage check from power com-
		tor to reach operating speed.		pany.
	2.	Fuses or circuit breakers lack	2.	Install proper size fuses or circuit break-
		sufficient capacity.		ers.

Frequent opening of	1.	Motor overloaded.	1 & 2. Install proper size fuses or circuit
fuses or circuit	2.	Fuses or circuit breakers lack		breakers.
breakers.		sufficient capacity.