waste tank level gauge 1969 sovereign

[rustic_kilo]

Hello to all from France!
can anyone talk to me about the waste tank level gauge on my 1969 AS sovereign, it always shows 1/2 full even when up to the toilet bowl rim LOL! What is this system....a float????
Thanks to all


www.airstream-france.com

[azflycaster]

There is no float. There is a series of sensors in the side of the tank at various heights. These often become covered with stuff from inside the tank. putting a bag of ice in the tank and driving around will often clean the sensors off.

[overlander63]

In addition to the bag of ice, maybe a cup of liquid laundry detergent in the tank will loosen the really stubborn "stuff" when you tow your trailer around.

[goransons]

also check the wires in the rear compartment, there could be a short there. the wires should go into the tank pan close to where you pull your drain valve inside the storage area. Also might open up the clock/thermometer section of the control panel (one screw and it should pivot down) and check to make sure the "full" bulb isn't burned out.

[rustic_kilo]

Thanks for your replies.The bulb is good, I will try to test the wires.The AS is static so I can't drive it around, I will try to fill the tank and add a gallon of lye....it should eat away any organic material.

[richinny]

i don't think lye is a good idea. warm water, soap and time work wonders.