Water pressure regulator/tank fill valve mystery solved
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03-22-2008, 01:41
Post: #3
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Water pressure regulator/tank fill valve mystery solved
Greg: All good points; the sporland is working just fine; my guess
is that the PO installed the bypass hose setup simply because the check valve within the external water fill/regulator needed a good cleaning...I chose to replace the water fill/regulator because of my lack of knowledge for disassembly for service. Just adding my 2 cents regarding "quick fixes" to solve a problem and thereby possibly introducing a new problem or inconvenience. Kinda like some of those temporary fences I used to build on our farm years ago...many of them are still being used! Dick Gideon Freedom Bird 1989 35FC Rolla, MO --- In WanderlodgeForum@yahoogroups.com, "Gregory OConnor" > > The mystery is why was the garden hose installed? > > The potable water tank fill is an appliance on the citywaterhookup > line. like an icemaker or sink. On 91 and newer birds the sporlan > is a diaphram valve like a automatic lawn sprinkler valve. the valve > is closed passivly then opened when the valve is energized by the > switch. the problem with the notion that it is closed all the time > is that when there is no pressure pushing into the input side of the > sporlan tankfill valve, the diaphram that keeps the valve closed > floats open. since ther is no pressure, water doesnt pass but air > gets in the valve. > > when the plumbing system in the bus is not hooked to city water and > the automatic 12 volt pump is turned off, some one is sure to open a > sink valve and depressurize the plumbing lines which will float the > valve open. when this happens and the bus sits for a month or two, > scum builds up on the rubber and the valve will not shut closed. if > the valve does not shut closed, hooking up to city water the potable > tank will overfill. with the valve failed open, running on the > 12volt pump you will keep removing water from the tank and refill > the tank with that water so removed. > > Fulltimers have frequent or constant pressure up against the valve > thus have not this problem but us monthly or bimonthly users > welcome your "hose through the wall upgrade" > > One caution I see with filling the potable tank too fast via a non > Bird-engeneered design is if you fill it faster than the air or over > fill pipe can exhaust the air or water you build pressure in > the 'not designed to be pressurized', plastic tank. This may cause > the potable tank to split. talk about wetting the bed! > > GregoryO'Connor > 94ptRomolandCa > > --- In WanderlodgeForum@yahoogroups.com, "Richard Gideon" > > > > > On our recent visit with Ralph and Charolette in our 89FC35, Ralph > and > > I performed the obligatory 'walk around' of our coach. I opened > the > > utility hookup door, (street side rear) and Ralph immediately > spotted > > the non standard piece of garden hose added by a PO. Ralph's > comment > > was "get rid of that" as I tried to explain I was not the guilty > party > > responsible for this re-engineered method for filling the pure > water > > tank via a 1/2" hose protruding through a 1" hole bored through > the > > backside steel bulkhead of the utility compartment. > > > > Now settled down after our South Texas travels, I'm doing > preventive > > maintenance on the bird, 3208 & ZF service, AD4 dyer rebuild, new > D2 > > air governor. > > > > We've had this 35FC 18 months now and that dangling piece of fill > hose > > has bugged us long enough...previous owner told me that's the only > way > > to fill the fresh water tank. Turns out, the first night we spent > in > > the coach when bringing it home from GA, the regulator /fill valve > > leaked like a sieve (through the 2 small holes where you insert > snap > > ring pliers for service) and the first repair I made to the coach > 18 > > mos ago was replacing that regulator assembly. This fixed the > leak. > > > > Previous owner related he did not ever hook to 'city water' but in > lieu > > always filled the tank through this stupid hose and like a dummy > I've > > continued to use the "hose thru the wall" instead of filling by > > flipping the fill switch to energize the sporlan valve. Hose is > gone > > now and I plugged the hole with a chrome plug purchased at Lowe's. > > > > My lesson here is simple; try to keep the original systems fully > > operational when practical! This case of the water hose added to > > bypass the factory regulator could have been avoided by merely > doing > > the preventive maintenance on the regulator and the city water > function > > as well as the electric fill function could have remained intact. > > > > Ralph, thanks for helping us keep the Blue Bird systems working; > also > > thanks to all who contribute to the forum. > > > > Dick Gideon > > Freedom Bird > > 1989 35FC > > Rolla, MO > > > |
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Messages In This Thread |
Water pressure regulator/tank fill valve mystery solved - Richard Gideon - 03-21-2008, 15:24
Water pressure regulator/tank fill valve mystery solved - Gregory OConnor - 03-21-2008, 17:38
Water pressure regulator/tank fill valve mystery solved - Richard Gideon - 03-22-2008 01:41
Water pressure regulator/tank fill valve mystery solved - Gregory OConnor - 03-22-2008, 04:38
Water pressure regulator/tank fill valve mystery solved - mariopatti1 - 03-22-2008, 16:34
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