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Old 05-14-2015, 08:36 AM   #4
ghost
Guru
 
City: Anacortes
Join Date: Nov 2012
Posts: 1,189
This job is not an easy one for the average boat owner, and is best done with the boat hauled. The shaft will need to come out of the coupler and that tends to require a tool such as a shaft puller that are more typically owned by a yard. The one I use most often looks like an extra large slide hammer and screws onto the end of the shaft, so the prop has to be pulled first. That's the easy way.

The hard way, which can be done in the water requires you to unbolt the coupling, release the set screws and then insert a short piece of metal between the coupling faces and bolt them back together as its own puller. You will need to have some longer bolts on hand. While a socket can be used in a pinch, some short pieces of shaft, slightly turned down work best. You will need to repeat a few times with longer inserts as you go. As I said, this is actually the hard way. Hauling the boat, popping the prop off and using the slide hammer is the quick method.
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