Bailey Approach Advance 640 `66 Reg` Fresh water tank issues - Motorhome Forums, Motorhome Discussion, Motorhome Chat

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post #1 of 3 (permalink) Old 18-11-2019, 20:10 Thread Starter
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Bailey Approach Advance 640 `66 Reg` Fresh water tank issues

Does anyone know how to re-calibrate the fresh water tank sensor on a `66` Reg Bailey Approach Advance 640 via the Whale Seattle Control Panel.
I did it on my last MoHo, Autograph Approach 750 Alde system, but cant seem to find the mode on the Whale!
I am aware they are very rarely accurate.
Any hints would be appreciated.
Further to above, having sterilised the water system and drained it, I thought I would look in the fresh water tank.
Indicator on control panel showed 0% and internal water pump had stopped purging making you think the tank would be empty.
There was still about 5" of water in, exactly to the top of the tank internal pump.
There is no sump plug to empty the tank, (I cant find 1 anyway) but looking towards the back of the moho there is an outlet pipe with tap at the bottom right hand side of the tank. Tried draining the tank by moving the tap to different positions but still wont drain!
Ended up force purging the pump by holding pump switch on control panel for a few seconds which makes the pump run until the tank was dry.
So tank is empty now as is hot water heater tank by opening drain tap.
But there should be a way of draining fresh water tank via sump plug or other.
Anyone have an idea.
(new on here so hope i have put it on correct forum!)
Thanks,
Graeme

Last edited by Euro330; 18-11-2019 at 20:12. Reason: Amend post title
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post #2 of 3 (permalink) Old 18-11-2019, 21:36
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My previous van had just an ordinary (small) sink plug in the bottom of the tank. You put your hand (and arm!) in through the large top screw-off lid to pull it out.

Haven't even checked this one n I've had it 2 and a half years!

Jean
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post #3 of 3 (permalink) Old 19-11-2019, 20:40
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Hi.

The Bailey website has a downloadable manual which may help you.


https://www.baileyofbristol.co.uk/im...17-12-2014.pdf

Mike

Motorhome Blog www.mikanni.wordpress.com
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