How do i change my craftsman 919165200 air compressor from 120v to 240v?

If the electric motor says 120/240 then yes. It it only says 120 on the data plate then no. I have attached a good read for you. Should you change your motor from 120V to 240V

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Loose connections or voltage not right. 240v, 30 amp breaker, 10 gauge wire

The compressor is worn out, or you have a continuous leak that's leaking air faster than the compressor can compress it.

You should be okay. It just ran at half speed while it was on. If had been the other way around (hooking up 120v motor to 240v socket) that would have killed the motor.

You hook up the unit to 240 and you will toast it. Contact the mfg for their recommendation .

Ya you'll need another motor or a new 240v line. If it were a voltage switchable motor it would say so on the tag. I have an air compressor with a switchable motor and it says 120V/240V on the tag, theres a wire to remove inside the pressure switch to change the voltage.

thats not going to work for one the motor is rated at 220v you would need to replace the motor with one thats rated at 120v along with a different pump. you're better off to buy a smaller compressor then do that.

blk/red are your two 120 volt lines the white is your neutral, if this is a 120/240volt combination motor make sure you change the wiring in the motor configuration to make it 240volt from 120volt

You can buy a transformer which allows all 110v power tools to work from a 240v supply. You will also need to change the plug on the compressor to a yellow 110v type. You can buy transformers for around £25 and around £3 for the plug

Most brands of air comperssors are built to work on either 220 or 110 v. I believe that 220 v compressors are more efficient and draw less current and run cooler.
The more expensive compressors have a switch allowing for voltage selection. Still others will have a wiring diagram printed on the motor allowing voltage change by changing jumpers. Most all of the sears compressors that I have repaired were of single voltage with no other way to change except change motor. Do not worry however, you have the better motor. It is easier to convert the outlet plug to 220 by isolating the circuit and installing a 220 v breaker. enjoy