run start capacitor

[angieman]

cbb1 450vac 8uf 50/60hz 2red wires off fan blower has packed up cant seem to find this on the net anywhere.the only one that I can find is cbb61 with 1red and 1black wire. as a newbie tried this but alas didn't work(thought it wouldn't)
is there a another capacitor that would do the job. appreciate your help

 

[shrtrnd]

I'd check with a parts store that deals in air conditioning equipment and supplies. That's a pretty common capacitor for air conditioning units.
Are you in a city with businesses like that, or do you need to go on-line?
If you need to go on-line, Google the part under the '8ufd 450VAC', or 'A/C capacitor', or ' A/C parts'.

 

[angieman]

been on line but cant seem to get the capacitor with the 2 red wires coming out I can find 2 blacks or 1 red +1black its used to blow up a bouncy castle

 

[flippineck]

amazon shows a cbb61 with 2 red wires on a google search, but when you go to their actual page is has 1 red and 1 black

link to google search

http://www.amazon.com/Black-Capacity-Running-Rectangle-Capacitor/dp/B00HG9XZ3M

here's cbb61 with 2 reds but a different capacitance

http://www.ecvv.com/product/2681560.html

hmm. cbb1, but it's a 3uf:

http://produto.mercadolivre.com.br/MLB-561585657-capacitor-de-motor-3uf-5-450vac-5060hz-_JM

another listed as cbb1, but marked as cbb61, with yet another capacitance of 1uf:

http://www.serigo.eu/components/capacitor/motor-capacitor/cbb1-450.html






this is probably the closest I've seen so far

http://www.amazon.com/CBB61-Conditioner-Motor-Start-Capacitor/dp/B00IICCJ6U

 

[flippineck]

when you say 'didn't work', did you mean, no movement at all, or, was there some slight movement (or did you mean the capacitor went bang!)

wonder if the coils in the motor are all okay. sometimes there's a fuse embedded inside or very close to, the windings. these fuses come in different shapes sizes and technologies, sometimes they only limit current, sometimes they trip on overtemperature. sometimes they self-reset & sometimes they are a blow once only deal. here is an example:

is it worth posting a pic of the damaged capacitor? just wondering if the number's actually CBB15 or something, with the last digits burnt off?

also what's the make and model of the bouncy castle &/or blower.. for googling purposes..

 

[angieman]

this is the photo of the capacitor.the casing has cracked and the top has bulged out would I be right in saying this is a non polar capacitor

 

[flippineck]

I have no references to give you just opinion.. but yes I'd say non polar, I'd have thought any capacitor of sufficient spec would have gotten things going for you.

Maybe the red and black wire cap you found, was a polarised cap? I wouldn't have thought that in itself would have stopped the motor doing anything at all though.

This is why I'm wondering if the windings are actually ok (or maybe a fuse or heat operated switch attached to them has tripped). Can you get a multimeter on the windings and give us some resistance readings? Basically whatever terminals are accessible, including the capacitor connection points.. measure between them all & give us results in ohms / kohms / megohms plus a description of what the measuring points are. Include a few points on the main metal body of the motor innards as well (lets check for any shorts to earth..) Remember that the motor body might be made up of laminations which are individually insulated from each other and everything else by a shellac type covering..

Diagrams to help identify terminals;

Basic circuit diagram of simplest type here:

http://3.bp.blogspot.com/-YN5K5JEq_...EVcpQL8wjs/s640/Permanent+Split+Capacitor.JPG

Full article:

http://www.electrical-knowhow.com/2012/05/classification-of-electric-motors-part_17.html

 

[angieman]

sorry im late in replying but have been away
you were right thermal fuse in winding had gone joined the wires together motor works perfect
will now install new thermal fuse
thanx to all for the sugestions

 

[flippineck]

good stuff. deffo put a new protection device in though, same type and rating.. I've tried 'getting away without' in the past with disastrous results. something has caused it to blow, hopefully just a power transient or a temporary jam, but maybe it's a fault that's still in there ;-)