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Old 06-18-2009
odbwedge odbwedge is offline
odb bill
Join Date: May 2009
Location: kentucky
Posts: 22
Default water pressure problems

back again with questions my 84 bb i just bought had a freeze bite.not using my brain i didn't check it before i bought it and the water pipes busted only the floor pipes where the owner i bought it from didn't get all the water out of the lines ,so now i put all pex in the coach. i put 1/4 water in the tank and turned the water pump on and the pressure was low and air out of the lines came out . now here is my question, it seem like there was air pressure off of the coach's air supply comming thru the lines with the pump OFF and there was a clicking noise in the back in metal box with a brown cover on it ,am i missing something and where is the pressure switch to cut the water pump off? and one more thing in the bath room there a valve behind a panel near the floor under vanity with a green handle on it that goes in the floor hooked to a gray pipe what is this for? i have work 4 hrs a day plus my job for 2 weeks trying to make my canada trip starting tuesday . hope there light at the end of this tunnel for this problem thanks bill
bill murray 1984 fc bb louisville ky
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Old 06-18-2009
Bill Pape's Avatar
Bill Pape Bill Pape is offline
Join Date: Jan 2008
Location: Commerce
Posts: 12,318

There should be on the side of the bed. A panel with an air switch to purge the water lines with air pressure,This switch in turned "On" or could be defective. Somewhere near the pump, find a check valve and an air regulator, The check valve is probably defective, allowing air to escape into the water lines, replace it with a ball valve, If you have an updated SureFlow type pump the On/Off pressure switch is in the pump, There is a Sporlan valve energized by the tank fill switch, this is where you are probably losing water pressure to the fresh water reservoir tank. It is a solenoid valve, take it apart and clean the rubber diaphragm, or get a rebuild kit from http://www.dupreeproducts.com 1-888-668-4288. Bill Murray this is going to be like Caddyshack for a time.
Bill & Patty
1988 FC, Silver Edition
Commerce, Michigan
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Old 06-18-2009
adamssam adamssam is offline
Senior Member
Join Date: Dec 2008
Location: Valparaiso
Posts: 296

"and one more thing in the bath room there a valve behind a panel near the floor under vanity with a green handle on it that goes in the floor hooked to a gray pipe what is this for? ".....Bill that is the shut off valve for your outside bib-cock ( faucet ) located in the bay by the door where your propane tank is, that is where mine is on my 83 fc
Sam and Ellen Adams
1995 BMC 37
1991 WB, Sold
1983 FC 35, Sold
Valparaiso, Indiana
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Old 06-18-2009
John 'n Deb's Avatar
John 'n Deb John 'n Deb is offline
Senior Member
Join Date: Jan 2008
Location: Carvel AB Canada
Posts: 168

sounds like you have the water fill switch still on,,,,on my 84 pump will not work with fill switch on.
John 'n Deb
84 fc35
75 boler
Carvel AB Canada
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