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Old 05-28-2016, 11:07 AM   #1
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Dry Camping Water Pump Problem

Just pulled my Solera out of storage and getting ready for the summer trip. Noticed when I turn on the water pump it runs and runs but their is no pressure of water coming out of the Faucets . Finally after one minute or so turn the pump off. I have over one half tank filled with water. Any ideas or thoughts of the problem appreciate it-Thanks.
CaptDan
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Old 05-28-2016, 12:36 PM   #2
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Valve is still in antifreeze position?
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Old 05-28-2016, 12:50 PM   #3
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Originally Posted by uhduh camping View Post
Valve is still in antifreeze position?
X2

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Old 05-28-2016, 03:28 PM   #4
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If its not the antifreeze valve (in which case it will never self-prime), it may be that your unit just takes a long time to prime (i.e. draw water from the FW tank using vacuum caused by pumping out the air in the line).

Patience, Grasshopper: RV water pumps are built to be able to run dry like this for quite a while.

P.S. make sure you have at least a cold water faucet open when running the pump for priming... that air its sucking out of the FW-tank-to-pump line has to go somewhere.

If it doesn't prime in about 5 minutes, then you might have either a bit of debris in the pump check valve (unscrewing the pump head and cleaning manually might be necessary) or if you didn't use the pump to suck the FW tank dry (and then some) before switching the input to AF, you might have cracked a fitting in that line due to freezing water and it will suck air forever.
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Old 05-28-2016, 11:34 PM   #5
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Experienced the same thing on my last wk's trip since I didn't use the WP for a long time. It worked after 1~2 minutes with the faucet valve open. Try it again.
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Old 05-29-2016, 06:50 AM   #6
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Originally Posted by CaptDan View Post
Just pulled my Solera out of storage and getting ready for the summer trip. Noticed when I turn on the water pump it runs and runs but their is no pressure of water coming out of the Faucets . Finally after one minute or so turn the pump off. I have over one half tank filled with water. Any ideas or thoughts of the problem appreciate it-Thanks.
CaptDan
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I had a similar issue and after blowning some air
through the inlet side with the outlet line disconnected it started pumping again. Either there was some debris in the pump or the check valve was stuck closed.
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Old 05-29-2016, 07:47 AM   #7
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Originally Posted by DaveSchwartz View Post
If its not the antifreeze valve (in which case it will never self-prime), it may be that your unit just takes a long time to prime (i.e. draw water from the FW tank using vacuum caused by pumping out the air in the line).

Patience, Grasshopper: RV water pumps are built to be able to run dry like this for quite a while.

P.S. make sure you have at least a cold water faucet open when running the pump for priming... that air its sucking out of the FW-tank-to-pump line has to go somewhere.

If it doesn't prime in about 5 minutes, then you might have either a bit of debris in the pump check valve (unscrewing the pump head and cleaning manually might be necessary) or if you didn't use the pump to suck the FW tank dry (and then some) before switching the input to AF, you might have cracked a fitting in that line due to freezing water and it will suck air forever.
I use the low point drain to allow the pump to prime, only because it is closer to the pump. I suppose I could also use the outside shower.
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Old 05-29-2016, 08:27 AM   #8
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Originally Posted by CaptDan View Post
Just pulled my Solera out of storage and getting ready for the summer trip. Noticed when I turn on the water pump it runs and runs but their is no pressure of water coming out of the Faucets . Finally after one minute or so turn the pump off. I have over one half tank filled with water. Any ideas or thoughts of the problem appreciate it-Thanks.
CaptDan
2013 Solera "S"

CaptDan, try this trick. Reset lever to winterize, take your garden hose (no nozzle ) butt it up to the end of the winterizing pickup hose, so as to apply a low pressure volume stream of water. Turn on a faucet, thus activating the pump circuit, and that should get enough water in the plumbing system to prime your pump. I would wrap a towel around the butt connection as you hold it, to minimize splash back.
That will charge the system with enough water to allow you to go to normal mode and get you back online.
This method works when your pump has lost prime due to no water/anti-freeze in the circuit to enable it to return to operating pressure.
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Old 05-29-2016, 08:30 AM   #9
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From what I understand all later model pumps are self priming if the water level in the tank is above the pumping element.
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Old 05-29-2016, 08:40 AM   #10
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From what I understand all later model pumps are self priming if the water level in the tank is above the pumping element.
Yep. But sometimes a situation occurs where the self priming just can't pull the long air slug along to the pump, allowing to push water
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