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Originally Posted by nickcrowhurst
When we discussed this modification about three years ago, I remember Inland Andy warning about the possibility of pressurizing the tank:
http://www.airforums.com/forums/f443...tem-10044.html
I have made this modification, and find it very useful, but I always remove the filler cap from the tank to avoid this danger.
Nick. |
Michelle already mentioned that the excess (overfilling) water pours out the non-pressurized outside filler tube and its accompanying vent. When making my modification, I checked on the effective tank pressure with a capped outside filler tube by putting a T-fitting in the vent tube, attaching another open tube to the T, and seeing if I could get the column of water in my "metering" tube to rise as high as the top of our sink. Even with the filling water on full blast and the tank overfilling (water pouring out on the outside of the trailer), I could not get the water from the vent tube to rise more than an inch or so above the level of the outside filler tube. As soon as the filling water was switched off, the water level in my "metering" tube dropped to the same level as the outside filler. In other words, no pressuring of the tank, perhaps because of the nature of the outside cap and vents in Michelle's and my trailers.
Linear Mode
