Homebrew PCBs

What is the purpose of the 0.15uF capacitor?
I find the next size smaller shows it also in this picture:
http://www.learnmorsecode.com/laminator/sync5.jpg


On 01/04/2017 04:35 PM, 'keith printy' keethpr@... 
[Homebrew_PCBs] wrote:
>
> Since there appears to be a capacitor present the motor in the picture 
> is wired correctly. If there were no capacitor it would not run.
>
> *From:*Homebrew_PCBs@yahoogroups.com 
> [mailto:Homebrew_PCBs@yahoogroups.com]
> *Sent:* Wednesday, January 04, 2017 12:34 PM
> *To:* Homebrew_PCBs@yahoogroups.com
> *Subject:* Re: [Homebrew_PCBs] What is the proper way to wire a 3 wire 
> synchronous motor
>
> Thanks Mike and Harvey.
> Thats the one.
>
> On 01/04/2017 11:25 AM, Harvey Altstadter hrconsult@... 
> <mailto:hrconsult@...> [Homebrew_PCBs] wrote:
>
>     Rob,
>
>     I think this is what you are looking for:
>     https://www.youtube.com/watch?v=C11NeRSxPD4
>
>     Harvey
>
>     On 1/4/2017 8:14 AM, Rob roomberg@...
>     <mailto:roomberg@...> [Homebrew_PCBs] wrote:
>
>         Wh at is the proper way to wire an AC  3 wire synchronous motor?
>         There is a wire diagram on this picture but it does not help me.
>
>         http://www.learnmorsecode.com/laminator/syncmotor.jpg
>
>
>         Do all 3 need to be attached to make it go clock wise?
>         counter clockwise?
>         Which wire is neutral?
>         Which wire is is hot?
>
>