Originally Posted by Andy M.
That's for sure. Unless you feel really charitable...
The nearest auth. service is an hour away.
If my mixer has nylon gears can I have them changed to metal?
The Original Professional 5 [KP 50 or KSM50 ?] does have a nylon worm gear and there is not an optional metal version available as a repair part.
When a Classic mixer breaks, it is almost a certainty that the worm gear is the cause. You should be able to verify it by putting a paddle or dough hook on the mixer and turning it half a turn. The motor should then be able to turn the paddle until it reaches the broken or bent teeth on the worm gear.
A proper repair will usually take a couple of hours of bench time and cost $80-$100 depending on your local labor rate.