Thanks for posting that manual and diagram.
I didn't realize that the pump was a "Submerged" pump. Now it makes sense that the pump will pump water both directions.
The diagram doesn't make it clear how the water is directed into the bowl. Is it in the casting of the bowl or are there hoses involved?
Our toilet is 10-years-old and it pumps a tremendous amount of water. I was actually kinda startled the first time that I flushed it.
I lived on my yacht for 14 years and used a similar type (dry bowl) toilet. Here's a couple tips when using a dry bowl toilet:
Before using, wet the bowl by running the pump for a couple seconds. It is also helpful to place T/P inside the bowl before using. It makes everything flush easier and cleaner.
When we first bought our TM, the toilet bowl was a little rough. I cleaned and waxed the inside of the bowl. Everything slides easily now.
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