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Topic: thetford cassete toilet

ayrstu

19/3/2014 at 10:19am
Location: ayr
Outfit: vw passat b6 bailey discovery

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New to us van having never had a cassette toilet maybe im missing something. Was checking all systems today. Toilet rinses fine with blue fluid however i cant get the bowl to empty if you follow me. Had a look in the cassete tank underneath and it looks fine?!? However im not really sure what im looking for lol any ideas? Cheers

jeff juke

19/3/2014 at 10:23am
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You do not put blue fluid in the top tankk unless it says its safe to do so..

If you look at the side of the bowl there will be a small lever..ours is on the left.push this one way or the other and the blade INSIDE the bowl should open.

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VangoMan02

19/3/2014 at 10:23am
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The blue fluid is for the waste tank ( bottom tank).
The rinse (flush tank) is generally pink.

When you push the flush button you also have to turn it in the direction of the arrow which opens the sliding part to allow waste to drop into bottom tank.

If blade not moving then something is disconnected by the sounds of it.

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jeff juke

19/3/2014 at 10:24am
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Its black and hard to see when looking down the bowl i forgot to add.

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Animals have feelings..

JEFF................

ayrstu

19/3/2014 at 10:25am
Location: ayr
Outfit: vw passat b6 bailey discovery

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Fluid was already in tank. Its not a lever i have a large dial for want of better word? Might sound silly but does it need power??

peterrabbit1007

19/3/2014 at 10:25am
Location: Surrey
Outfit: Discovery 4 Bailey Unicorn IV Valencia

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There is usually a lever on the side of the toilet towards the bottom, on our van you pull it towards you and it opens the flap to empty the contents of the bowl into the cassette, push the lever away from you to close flap.

VangoMan02

19/3/2014 at 10:25am
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Typing at same time jeff..lol

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jeff juke

19/3/2014 at 10:26am
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Yep lol

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jeff juke

19/3/2014 at 10:27am
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Quote: Originally posted by ayrstu on 19/3/2014
Fluid was already in tank. Its not a lever i have a large dial for want of better word? Might sound silly but does it need power??

Turn the dial the blade will open if not stuck .

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ayrstu

19/3/2014 at 10:40am
Location: ayr
Outfit: vw passat b6 bailey discovery

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Feels like its stuck or jammed

Pickled Onion

19/3/2014 at 10:46am
Location: Near Alton Towers
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No power, it's hand operated but as Jeff suggested the blade may be stuck onto the rubber seal, it this happens it may tear the edge of the seal and will need replacing, (normally happens when stored shut for long periods like overwintering) They are easily obtained, just make sure you get one for your model which should be printed on cassette somewhere.

A squirt of Thetford or other silicone spray or even cheaper, olive oil wiped onto the rubber will stop it happening again.

Dave

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jeff juke

19/3/2014 at 10:52am
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Quote: Originally posted by ayrstu on 19/3/2014
Feels like its stuck or jammed

Do NOT force it.Get some wd40 and put a load of it in the bowl and leave for half an hour then try it,be carefull too much force might snap some thing.

The other trick that worked with me was water just hot to the touch this will expand the seal.

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Animals have feelings..

JEFF................

romany girl

19/3/2014 at 10:55am
Location: Derbyshire
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If its an older van then you should have two dial shaped large buttons situated at the back of the toilets seat bench, one is for manual flush, the other is to empty it, both are twist operated, and no power to this type of toilet is used. The blade on a empty toilet is black, and can easily be mistaken for the bottom of the cassette if its in poor light or being used by someone unfamiliar with how it works.

Its a two stage operation, use toilet, then twist the empty button, then twist the flush button a couple of times to flush bowl and leave ready for next time. Just remember to keep the toilets flush tank topped up, and always use either plain water or the pink fluid diluted with water for this, never the blue, as this can damage the cassettes blade seals.

Julia

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ayrstu

19/3/2014 at 11:00am
Location: ayr
Outfit: vw passat b6 bailey discovery

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Ok thanks everyone ill get the wd40 out and leave it to soak worst case ill force it and get a new seal. Also noted rhat blue is for waste side and pink for flushing cheers

G7ACU

19/3/2014 at 6:59pm
Location: West Mids
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You might find it useful to download the literature for your model from Thetford for future reference.
The model should be quoted on a small silver label found within the cassette compartment, then use this link here to find instructions and repair guides specific to your lav.

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Paul

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nova scrimshaw

19/3/2014 at 7:07pm
Location: None Entered
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we was just the same we have just got our first campervan after having a tent for 40 year there is a leaver at the side but close to back not easy to see untill you find it

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