Grey water Auf and Zu

[Sooz52]

More questions. I have my Hymer manual in Spanish but it says to turn the handle to eject grey water, but not a not more I think.
Auf is on, Zu is to, using google translate. It looks closer in the Zu position... is that right? Unfortunately I tried it in both positions but it must have been emptying gradually when driving.... oops. I should have had a full tank... but I forgot which position it started in.

 

[Vic. Parsons.]

Zu Is closed, (handle down) Auf is open (handle at 45 degees) on our Hymer.
Just re-label them for future reference. ?
Alternatively, poor a bucket of water down the sink and see if it comes out or not.

 

[pappajohn]

If you had a full tank it wouldn't trickle with the valve open.. It would gush out
Maybe the pipe is blocked within the tank.
Open the tap and push a garden cane slowly up the pipe

 

[autorouter]

Usually if the lever is across the pipe (ie at right angles to it) the pipe is blocked. If the lever is in line with the pipe, the pipe is open, ie water flows out. It's a convention for water valves and gas valves.

 

[Sooz52]

Thanks, marker pen out ?

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[Nomadian]

So tha’s bin wilding in Spain and thy as ney idea if tha grey is open or closed? Gawd elp us

 

[Sooz52]

So tha’s bin wilding in Spain and thy as ney idea if tha grey is open or closed? Gawd elp us

I didn’t know for 2 days. Now I know. Be nice please.