[T3] Pneumatic screen washer Helphos Valve

[Russ W]

On 1/30/2011 12:38 AM, Jim Adney wrote:
> On 29 Jan 2011 at 23:19, Dave Hall wrote:
>
>> the centre component with the spigot has a flat head within the
>> threaded cap and a spike to depress the tyre valve core.  The flat head
>> has to seal against the inside face of the cap or air can get past
>> direct to the atmosphere without having to go through the tube to the
>> Helphos valve.
> I'm thinking that the flat head has to seal against the face of the
> valve stem, making the cap irrelevant to the seal. If the end of the
> valve stem was rough, or if the sealing face of the flat head was
> torn up, then this seal wouldn't work.
>
> Your artwork didn't work here (variable pitch font, I guess.)
>
I do not see the rubber sealing washer in those pictures.

-- 
Thanks,
Russ Wolfe
russw at classicvw.org