{Stus-List} Jabsco Par pump failure

Rich Knowles rk at ns.sympatico.ca
Sun Dec 13 16:29:52 EST 2009


If the fuse is blowing, that's a sign that you either have a short in the wiring or the pump is seized and the high current is blowing the fuse. Sounds to me as though you will have to get at the pump to see where the problems is. There may be a thermal breaker on the pump, but that would cause the circuit to go open and not blow the fuse, so I don't believe that would be the problem.

I suggest disconnecting the hot wire, likely red, at the pump and turn on the power with a fresh fuse. If the fuse blows, the problem is in the wiring before the pump. If the fuse remains OK, remove the pump and dismantle it to see if the impeller/rotor is stuck in some way. If you cannot clear the problem, maybe Santa will bring you a new one!

Meantime, let gravity do its work with the antifreeze. I don't think you'll have a problem in your area.


On 2009-12-13, at 4:32 PM, TOM VINCENT wrote:

Two weeks ago I went out for my last sail of the season on the upper Chesapeake Bay and the Par water pump would not work. This is a new problem and I did not think much about it until last weekend when I went to winterize the boat for the season. I leave Frolic II (1979 36' cb) in the water for the season as the slip has an excellent bubble system and our winters have not been severe for the last few years.  I ususally run the pump to empty the water tank and then add a gallon or so of the pink stuff and pump it through the various outlets in the head, galley, and cockpit shower - both hot and cold. Obviously, with no pump I have another issue on my hands - I was going to the boat today and pump air through the system using the reverse outlet of the vacumn cleaner, unfortunately it is pouring rain and my plans changed. My question to the group is - has anyone had a similar problem with the Par pump and solved the problem? I have a circuit switch on the bulkhead in the galley (in addition to the fuse on the electric panel). I replaced the fuse with the switch in the off position and had power to the switch, when I flipped the switch on the fuse blew. Is there any additional electric breaker on the pump, I do not have the manual and to get to the pump physically is a task that I am trying to avoid.
Frolic II
Chesapeake City, MD
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