Now that is what they should have done from the beginning! An Aluminum housing for a pump like that has no place on a boat - It is not if it corrodes, but when . . .
Bill Coleman C&C 39 Erie, PA -----Original Message----- From: CnC-List [mailto:cnc-list-boun...@cnc-list.com] On Behalf Of Neil Gallagher via CnC-List Sent: Monday, May 07, 2018 8:49 PM To: Eric Frank via CnC-List Cc: Neil Gallagher Subject: Re: Stus-List C&C 33 MK II Bilge pumps https://www.whalepumps.com/marine/product.aspx?Category_ID=10009&Product_ID=10005&FriendlyID=Mk-5-Universal My solution to the corroded Whale pump. Been working well for about 4 years now. Neil Gallagher Weatherly, 35-1 Glen Cove, NY On 5/7/2018 2:06 PM, Eric Frank via CnC-List wrote: > Corrosion is precisely the reason my Whale manual bilge pump is working so > poorly. In the 9 years I have owned Cats Paw, I have replaced the rubber > flapper valves 3 times - most recently last year. But this no longer solves > the corrosion problem of the metal pump, which keeps the flapper valves from > closing well. I also installed a one-way rubber flap valve on the intake of > the hose to facilitate priming the pump, but that has been insufficient to > solve the problem caused by corrosion of the pump itself. > > A similar pump (also a Whale I think) continues to work well. One reason is > that the pump (under the washstand) is not located above the holding tank, > but from Dennis’s description, it probably also helps that we use “fresh” > water from the water tank to flush the head, so salt water never remains in > the pump. And, of course, most of our sailing is not far offshore, so the > holding tank is pumped out by the boatyard launch. > > Are there other brands of manual pumps I could replace the Whale pump with > that do not have this problem? Perhaps made of a corrosion-resistant > material? That might be a better, and more permanent solution. > > Eric Frank > Cat’s Paw, CC35 II > Mattapoisett, MA > >> Hot button rant! >> >> If any lister has an alloy (metal) body Whale or other brand manual bilge >> pump, I *STRONGLY* suggest you disassemble it and inspect the sealing >> surfaces. These pumps, particularly when in salt or brackish water >> service, are subject to corrosion and pitting. If the corrosion is severe, >> the pump may not prime or pump. >> >> When I bought Touche', I inspected the pump and found it to be essentially >> unusable due to severe pitting and corrosion on the sealing surfaces. A >> service kit would have been worthless. I bought a new pump. Before >> installing the new pump, I disassembled it, coated the sealing surfaces >> with TefGel and reassembled. >> >> Kevin Benoit just bought a 35-2 and ran into the same issue. He also >> bought a new pump and coated the surfaces. >> >> I clean Touche's bilge about twice a year. I use the electric pump to >> empty the bilge until the water is clean dock (city) water. I then test >> the manual bilge pump and use it to empty the bilge leaving clean dock >> water in the pump. >> >> If, for whatever reason, I use the manual pump to remove brackish or salt >> water from the bilge, I flush the bilge with dock water and leave dock >> water in the manual pump. >> >> Please test your manual pump at least annually and inspect it if you've >> never done so. This pump may not only save your boat, it may save you and >> your family!! >> >> Dennis C. > _______________________________________________ > > Thanks everyone for supporting this list with your contributions. Each and > every one is greatly appreciated. If you want to support the list - use > PayPal to send contribution -- https://www.paypal.me/stumurray > _______________________________________________ Thanks everyone for supporting this list with your contributions. Each and every one is greatly appreciated. If you want to support the list - use PayPal to send contribution -- https://www.paypal.me/stumurray _______________________________________________ Thanks everyone for supporting this list with your contributions. Each and every one is greatly appreciated. If you want to support the list - use PayPal to send contribution -- https://www.paypal.me/stumurray
