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Deck Hand
Posts: 14
Home Port: Seattle, WA
IP Logged | We are on our maiden voyage to Pt Townsend this rainy weekend on our 2006 391 and have had a great experience thus far. However, we've lost all water pressure unless we're on city water at the dock. The onboard water tank is nearly full but for some reason when we're under way we have no pressure. This just started happening yesterday. Any ideas? I'm thinking the pump has quit on us but I don't know where it is or if there's a switch that may have been flipped. The tanks were nearly bone dry before our trip so perhaps that could cause it? Many thanks for any input you have.
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Admiral
Posts: 342
Home Port: San Diego
IP Logged | May be silly but did you check the breaker?
Jordan |
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Admiral
Posts: 351
Home Port: Cloverdale, CA
IP Logged | Hi Rodney,
There is a clear plastic bowl on the front of the water pump; if this bowl gets air in it when the tank runs dry it will sometimes cause an air lock and the pump won't prime. Fill the tank and loosen the bowl to bleed the air out. You might as well remove the bowl and clean the filter screen; it is a simple job but I don't think it is a problem. |
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Deck Hand
Posts: 14
Home Port: Seattle, WA
IP Logged | Thanks for the input. I did check the breaker  Any hints on where the pump is located? |
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Admiral
Posts: 1140
Home Port: Seattle
IP Logged | easiest way to the pump is from the transom, hatch in the floor. Pump should be port side, on top of the tank. Bring a voltmeter and then you should have a pretty good idea of whats going on. Good news is it easy access.
Where is your home slip? |
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First Mate
Posts: 98
IP Logged | Not sure of the 391 model but on a 411 there is an inline spade fuse in the power feed to the pump. You may want to confirm/check with other 391 owners.
Dan
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Deck Hand
Posts: 25
Home Port: Hollywood, FL
IP Logged | BreakAway - 2/15/2010 11:36 AM
easiest way to the pump is from the transom, hatch in the floor. Pump should be port side, on top of the tank. Bring a voltmeter and then you should have a pretty good idea of whats going on. Good news is it easy access.
Where is your home slip?
Breakaway,
You're very lucky to have that access. On my 2003 381, the pump can only be accessed by a small opening (maybe 2x3) located aft of the port engine in a small compartment with no other access. I'm going to relocate the pump to the lazarette, so the next changeout will take a few minutes...... |
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Deck Hand
Posts: 14
Home Port: Seattle, WA
IP Logged | Thanks for all your input. In the end the pump was dead, don't know what happened. I suspect perhaps a short of somekind since our first evening at Edmonds we had a bad connection to dock power and it kept flipping the main breaker until I corrected it. Lesson learned!
BreakAway we will be at EBYC on March 1 slip B41. Where in Seattle are you?
Edited by ChimeMeNow 2/19/2010 10:33 AM
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Admiral
Posts: 584
Home Port: Miami, Florida
IP Logged | We had the exact same problem when we first got our boat. It turns out the pump was fine but the plastic shavings from when holes were drilled into our water tank were floating around in the tank. Some of the shavings were long cork-screw type that were too long to make it to the water pump's strainer and instead got clogged up at the 90 degree turn of one of the pipe fittings just before the pump. Once one shaving lodged there, more backed up behind it until it was blocked, but not totally.
The pump would turn on, get pressure and turn off from the pressure switch, then the pressure would slowly release through the clog and the pump would turn back on again. So to us the pump looked like it was working fine and the strainer was perfectly clean, but we had zero pressure to any faucet fixtures. Once we discovered the clog, and cleared it, we haven't had a problem with it ever since. |
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Potable pump water not working
