Whirlpool dryer

[Geo-TH,In]

A Whirlpool dryer motor was making a racket and the drum wasn't turning like the belt was broken.

The rotor was rotating on the shaft. The shaft wasn't turning.

Have you ever seen anything like this?

A replacement motor was too expensive. Spare parts.

 

[Eric in IL]

Does Whirlpool use Delco rotors? What is a dryer rotor?

 

[Geo-TH,In]

I don't know who makes the rotor.
I posted this only because I've never seen a rotor go bad. It's a first.

 

[MarkB_MI]

The drum is usally supported by a bearing at the rear and two rubbing blocks at the front. If the rubbing blocks wear out, there will be metal-to-metal contact between the drum and its front support. Usually makes a gawd-awful racket when that happens, but renters won't say anything as long as it seems to work.

 

[MarkB_MI]

Are you saying the small PULLEY on the motor was slipping on the motor shaft?

 

[Janicholson]

Several on line sources are available the link here is one. Jim
one possible source

 

[Keith True]

I saw this once when I was trying to use a washing machine motor for something I shouldn't have.I don't know if that armature rotor is pressed on,glued on,or the rotor molded onto the shaft,but I did have one spin loose of the shaft.I was probably trying to run a table saw or something with it.

 

[Geo-TH,In]

Mark,
The rotor was rotating.
The motor shaft connected to the rotor was not turning.
The rotor was rotating on the shaft.
The fan and pulley were not turning.
Made a heck of a racket.

 

[JMOR]

This is the "rotor" Geo is speaking of. Armature to me. This one was just pressed onto shaft. Has tiny/fine looking splines inside. Try a shim or J-B Weld.

 

[Geo-TH,In]

The dryer belongs to another person.
I ended up with the dryer.
I'm waiting to find a used motor or keep it for used parts.
Rotor or armature, what's the difference?

 

[JMOR]

(quoted from post at 15:18:31 03/16/23) The dryer belongs to another person.
I ended up with the dryer.
I'm waiting to find a used motor or keep it for used parts.
Rotor or armature, what's the difference?

all it either......I knew what you were speaking about from the get go..

 

[Sleufoot]

First of all Whirpool makes 2 different style of dryers. One where the filter is in the right top corner and the other style is with the filter in the housing in front. The dryer with the filter on top has 2 drum supports on the rear bulkhead and rests on a plastic glide with felt that attaches to the front of the dryer. The other style has 4 drum supports. After that there is a belt idler pulley, motor and a blower wheel that it attached to the motor shaft. Motors are not repairable and cannot be rebuilt. All of the other parts are replaceable. From an old retired applaince service technician. Tom in Mn.

 

[wp6529]

Push the shaft out, roughen it slightly with sandpaper, coat lightly with bearing retainer and press back into proper position. Enjoy the free dryer for another decade or two.

 

[Frankmn]

I bought a new dryer motor off amazon for 58 bucks. Worked good. Came with wiring diagram as it wasn't plug and play.

 

[Butch(OH)]

Yes, I bought an Ingersol Rand air compressor several years ago and when it was just out of warranty the motor did that. Made quite the racket. Glad I was in the shop to shut it off!

 

[MarkB_MI]

> This is the rotor Geo is speaking of. Armature to me

Yes, armature.

 

[MarkB_MI]

> Rotor or armature, what's the difference?

Alternators have rotors; motors and DC generators have armatures. Why? According to Wikipedia, an armature 'is the winding (or set of windings) of an electric machine which carries alternating current'. But wait a minute, what about armatures on DC motors and generators? Well, Wikipedia also says, 'the armature windings conduct AC even on DC machines, due to the commutator action (which periodically reverses current direction) or due to electronic commutation, as in brushless DC motors.

But it turns out you're right, too, George. The next thing Wikipedia says is: 'The armature can be on either the rotor (rotating part) or the stator (stationary part), depending on the type of electric machine.' So, in other words, it is correct to call the armature on your dryer a rotor.
Armature

 

[Jim PA]

Scratch the shaft up good with 120 grit sandpaper and do the same to the rotor bore. Clean with alcohol and apply Locktight 640 to rotor and shaft. Assemble and apply heat from a space heater directly on the assembly for 30 minutes. The shaft will never spin again on the rotor.

 

[Sleufoot]

Come on folks. I know that your advice on repairing the motor is well intended but do you realize that the heating circuit goes through the centrical switch that mounts on the motor. All it would take is for that switch to fail so the heat stays on. That could lead serious results. Over the years I have seen them. That is why they DO NOT recommend rebuilding them. I personally would never trust the dryer because of that. Tom in Mn

 

[JMOR]

(quoted from post at 12:47:44 03/17/23) Come on folks. I know that your advice on repairing the motor is well intended but do you realize that the heating circuit goes through the centrical switch that mounts on the motor. All it would take is for that switch to fail so the heat stays on. That could lead serious results. Over the years I have seen them. That is why they DO NOT recommend rebuilding them. I personally would never trust the dryer because of that. Tom in Mn

y Mom s words...."worry wart".