How do you rewire a 220 volt motor to run as a 110 volt motor on a old Howell electric motor?

Answer 1

Determine which leads are run leads, and which are start leads, or which are a combination of both. Once determined the overall solution is to parallel the windings externally, where at a higher voltage 1 motor lead per line is used, 2 would used per line in parallel.

Leads marked 1 through 4 would be connected 1 to line, and 4 to line with 2 and 3 electrically connected and isolated as a series connection for the higher 220 single phase voltage.

Rewire or reconnecting if possible to 110 would then be connected motor lead 1 and 3 to one of the 110 volt lines and the remaining motor leads 2 and 4 to the other 110 volt line.

In some cases the parallel connection could be 1 and 2 to line, and 3 and 4 to line for 110 volts.

It makes no difference on an induction single phase motor which line from the 110 either hot or neutral is connected to either pair of motor leads.

Answer 2

An electric blower with a 220 motor would not receive enough electricity to function correctly with a 110 motor. This would cause problems to the operator, and possible injury because the motor would be used incorrectly.

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You can not rewire an electric motor without incurring a high outlay of money. If cost is not an option take it to any reputable motor shop and they will rewind it for you. If the motor is rated for dual voltage operation then the answer is yes. Look on the nameplate and where you see the motors voltage it should look like this 120/240 volts. If this is the case the wiring diagram should be pasted on the underside of the motors junction box lid. These types of motors use push on lugs so just rearrange the lugs for a voltage that you want to use.