|Topic Review (Newest First)|
|11-20-2007 02:18 PM|
The photo posting feature on Sailnet is basically broken. To post photos you need to open a flickr.com or photobucket.com account, post your photos there and then embed the linked photos using the icon.
Hope that helps.
|11-20-2007 11:38 AM|
How do you put in such nice photos and captions in your replys?
|11-16-2007 11:38 PM|
|deniseO30||Make sure there isn't a small snap ring on the shaft before you pull the peller. there is on mine, but its an oberdorfer 202m-7 pump|
|11-16-2007 09:28 PM|
|Pub911||While you're in there, check the shaft for wobble or any signs of rust. If so, replace or rebuild. Refurbs are about $350 on a similar engine. Don't ignore this or it could put you in a real jam, not just down-time risks, but the engine side of that pump is housing a shaft right next to a very expensive diesel fuel pump/distributor (if it's set up the same as an m4-30, anyway). Water in that thing will really ruin your day.|
|11-16-2007 09:21 PM|
|bestfriend||You're welcome and good luck. If you do end up having to get a whole new pump, make sure you spray some lube into the housing from one of the holes and give the impeller a few turns by moving the shaft with a wrench. They sit on the shelves and dry out, the impeller can stick and get riped apart when you turn the motor over.|
|11-16-2007 09:16 PM|
|sailingdog||Just don't scratch the surfaces, since that will cause the new impeller to wear.|
|11-16-2007 09:13 PM|
|ralphmacey||Thanks so much, I'll give it a try.|
|11-16-2007 09:10 PM|
|bestfriend||Yes, it should come out pretty easily. Once you take it off the shaft, it is just sitting in the cover, nothing holding it there but old age. Why are you changing the impeller? You should know that if there is any weepage of oil/grease out of the pump (you can see it in the third photo) or water out of the cover(from the little screw in the first picture on the bottom of the cover) You will need a new or rebuilt pump.|
|11-16-2007 09:07 PM|
Do I just pry the impeller out with screwdrivers of needlenose pliers?
|11-16-2007 09:02 PM|
You can do it by just taking off the housing cover. There is no reason to take the whole pump off. Get a new gasket too. There is only a shaft between the pump and the block. Make sure you mark the hoses so that you put them on right (if you take them off) and get the impeller turned in the right direction. Also, lube the impeller so that it doesn't stick the first time you start it. You can use dish soap.
Here is the cover:
Here is the impeller in the cover:
Here is the rest of the pump, you can see the shaft that sticks into the impeller on top and the shaft for the block on the bottom.
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