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02-05-2011, 11:18 AM
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#1
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Montana Master
Join Date: Feb 2005
Location: Deming
Posts: 679
M.O.C. #3189
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Fresh Water line
The old on board pump decided not to pump anymore. Completly quite. Install new pump. Was getting water mixed with air. Thought tank was empty. Fresh water added. Pump would not pump anything. Did a test using the anti freeze line. Pump worked just fine. Something is blocking the fresh water line. Is there a back flow valve at the tank? Because of the real cold wx we have had here in Az. I thought maybe the line had frozen and burst therefore the pump was just sucking air. Opened up the belly and found the line intact. Any ideas would be helpful.
Thanks
Dick
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02-05-2011, 11:40 AM
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#2
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Montana Master
Join Date: Feb 2003
Location: Englewood
Posts: 3,095
M.O.C. #164
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Try oprning your valve to fresh water tank slowly also try with faucet open and closed has worked for me.
Sounds like your new pump is pumping if it pumps using the Antifreeze line
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02-05-2011, 12:02 PM
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#3
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Montana Master
Join Date: Sep 2004
Location: sioux falls
Posts: 1,835
M.O.C. #2121
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Dick, does your unit have the fresh water fill switch in the convenience center? The reason I ask is that Bob filled our tank using that but forgot to put the switch back in normal position and the pump wouldn't draw water until the switch was turned. Just a thought.
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02-05-2011, 01:21 PM
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#4
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Montana Master
Join Date: Oct 2006
Location: Arroyo Grande
Posts: 504
M.O.C. #6460
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Dick, The street water inlet has a small check valve in it that stops water from flowing back out when the pump is on. There's a small "O"ring in there that can either get dislodged or get some debris caught in it. If it's not seating,it will allow air in the system. You might check that. Bill
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02-06-2011, 09:38 AM
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#5
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Montana Master
Join Date: Nov 2002
Location: Oceanside
Posts: 20,028
M.O.C. #20
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That o-ring also can be pushed out of place by freezing. Releasing the pressure on that valve if often overlooked when winterizing. If the pressure is not released then water remains in the valve and ice pushes the o-ring out of place. Been there. Twice. Took me that long to figure out what I did wrong. In my case (this was on a prior Montana) using the pump pumped water out the intake rather than through the faucets.
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02-06-2011, 10:10 AM
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#6
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Montana Master
Join Date: Feb 2005
Location: Deming
Posts: 679
M.O.C. #3189
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Problem solved!!!! It took till this afternoon for the blockage to go away. Must have been ice in the fresh water line. Anyway everything is ok now.
Dick
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02-12-2011, 07:28 AM
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#7
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Montana Master
Join Date: Nov 2002
Location: Oceanside
Posts: 20,028
M.O.C. #20
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Good to hear, Dick! Maybe you just need to head out to warmer weather again!
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02-17-2011, 03:39 PM
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#8
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Seasoned Camper
Join Date: Feb 2011
Location: Wherever
Posts: 64
M.O.C. #11152
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Quote:
quote:Originally posted by bob n pam
Dick, does your unit have the fresh water fill switch in the convenience center? The reason I ask is that Bob filled our tank using that but forgot to put the switch back in normal position and the pump wouldn't draw water until the switch was turned. Just a thought.
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Glad to hear that I'm not the only one that does this.
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