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Forums › Home Workshop › Induction motor capacitors


1326 posts

Uber Geek
Topic # 113737 26-Jan-2013 14:46 Send private message

I need to replace the capacitor on a single phase 240VAC induction motor - it's in a Karcher waterblaster.

Other than the usual capacitance/voltage specs, is there anything else to be aware of for this sort of application?

This is what I'm looking at:

http://www.jaycar.co.nz/productView.asp?ID=RU6606&form=CAT2&SUBCATID=967#1

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gzt

3197 posts

Uber Geek

Subscriber
  Reply # 751233 26-Jan-2013 16:36 Send private message

You probably already know from a legal/safety standpoint an electrical registration is required to perform work of this nature.

There may be limited physical room available or it may be configured for a particular physical size. Personally I would call the agent and see what the genuine price is before making a decision.

Which model?

2462 posts

Uber Geek

Trusted
  Reply # 751319 26-Jan-2013 21:50 Send private message

That is the kind of thing you are looking for, as long as it is rated for motor start applications. You should also be able to find it from Surplustronics. Make sure you have the right dimensions, and you get them also with leads coming out of the can instead of terminals. Then there are metal cans and plastic cans, you might have a mains clearance issue if you replace a plastic can with metal. If you are stuck, post a photo of the capacitor and we can see what we can do.




You can never have enough Volvos!

586 posts

Ultimate Geek
  Reply # 751390 27-Jan-2013 06:48 Send private message

Go somewhere like JA Russell  or ideal, they have the correct ones for motors.

But what begs the question, how did you figure out that the capicator is the problem, there are several other posibilities in a single phase motor.



1326 posts

Uber Geek
  Reply # 751436 27-Jan-2013 10:52 Send private message

Thanks for your various suggestions; as it's not mine, shall pass the info on.

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