Question about Sewing Machines
I think there is something wrong with the motor or the wires leading to the motor. But I am not sure how to get inside the casing to look at the motor. Can you help me do that?
Motor inside the casing you have to remove the cover motor at the rear beside the handwheel of sewing machine loosen set screw or lift upside machine bed so you can see the motor and wiring circuit,if bottom cover is present loosen bolt remove cover you can check motor wiring using multitester setting to R10 set switch on and setting test probe red and black rod attaching the two terminal of male plug start pedal switch besure it was unplug on ac source if there resistance on the circuit and the motor.If negative result.Isolate checking the electrical circuit.check continuity of switch,if ok.check armature winding of the motor in two terminal of the motor, you have to pull out motor inside the casing first remove belt from the motor and handwheel.Loosen the 3 bolt from motor holder to the casing.In motor assymble unlock and pull out two carbon brush attaching tha armature brush replaced a new one pair of carbob brush and install back again.besure winding was not
burn out otherwise you to replaced the motor.
Posted on Mar 07, 2009
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