In a message dated 6/2/2002 7:20:05 AM Pacific Standard Time,
Mikenjulie.Parkin@btopenworld.com writes:
>
> I am just connecting up the hoses in the back of the panel.
> My Sigmatek horizon has 4 connections on it.
>
> Connection at the centre - filtered air in.
> Connection at 12 o'clock - vacuum connection
> Connection at 8 o'clock - vacuum gauge
> Connection at 4 o'clock - ????????????
>
> 1. Does anyone have any idea on the purpose of the 4 o'clock connection.
> 2. What series of connectors/adaptors screw into the vacuum instruments
> to connect the hoses to?
>
> Starting to get serious now......
>
> regards,
>
> Mike Parkin No 312 (G-JULZ)
>
>
I believe that hole needs to be plugged. There would only be 3 connections
maximum at the artificial horizon. That is the way mine is -- it has a flush
plug.
Dave A227 - monowheel
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