Lube them a little with Vaseline or dish soap just to be sure. I made this video a year ago for work. Different pump... Same idea. It demonstrates the Globe Run-Dry impeller and the Jabsco impeller puller.
https://youtu.be/AYs662eKTFs Josh Muckley S/V Sea Hawk 1989 C&C 37+ Solomons, MD On Sun, Apr 22, 2018, 10:35 PM David Knecht via CnC-List < cnc-list@cnc-list.com> wrote: > I checked the impeller on my Sherwood water pump and it was OK, but I am > unclear how to reassemble it. Here is a diagram of the design. > > > http://www.marinedieseldirect.com/catalogs/catalog_group.php?owner=mdd&page_ident=200144-51&model=M4-30%20/%20M4-30A&manufacturer=Universal&title=Sherwood%20Water%20Pump&quant_position=&catalog=200144&printparts=&printservice=&printoperators=&comment1= > > 1. It is unclear to me which way it rotates. I am guessing it would > rotate such that the vanes are moving from the inlet opening toward the > outlet opening, but otherwise I don’t know how to tell. > > 2. I watched some YouTube videos about reassembly to get the vanes bent in > the correct way and nothing I have seen describes this “new style” pump. > The screws on this one come in from the rear (PITA to remove) and the key > shaft are on the engine side. The housing comes off with the tubing. The > videos describe rotating the impeller onto the staft in the correct > direction while inserting the impeller into the housing. But with the > housing and shaft on different parts of the pump, you can’t do that. I am > guessing that you would put the impeller on the shaft and then somehow try > to bend the vanes as you push the housing over it, but that seems like it > will be really hard to get all the vanes right, especially because you > can’t see them once the housing starts to cover the impeller. I am hoping > there is a “trick” to doing this that I am missing. Thanks- Dave > > Aries > 1990 C&C 34+ > New London, CT > > > _______________________________________________ > > 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
