Removing shaft questions

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Beth Vanfossen

I am in the process of having the PSS dripless shaft seal installed. The set screw broke off, and then the coupling would not come loose. It has been recommended that someone saw through the shaft and replace it with a new one plus a new split coupling. My question is: Can the old shaft be removed without removing the rudder or cutlass bearing, and can the new shaft be installed without doing the same? Thanks.
 
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Homer

Depends on the Boat but ...

Seems like an awful lot of trouble for something you don't really need. Repack the stuffing box and it will likely go 5-10 years. About your question: depends on the boat. On my boat I had to drop the rudder to get the shaft out. Other option was to remove the strut. Third option is to pull the motor and pull the shaft out the front. So you broke the screw in the coupling. Why not cut off the coupling and save the shaft? The coupling is about $40. It's a lot easier for mechanics to throw everything away and start with new stuff when you're paying, especially when the make huge profit margins marking up parts. Homer!
 
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Chuck Fort

I had a similar problem

What I did was to unbolt the motor mounts from the boat, slide 2x4's under the motor mounts and slide the engine forward and up the ramps. This gets the engine out of the way so that the shaft can be slid out forward. Make whatever changes you want and reverse the steps.
 
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Kevin

each boat make/model can be different

Hello Beth, It would completely depend upon the boat and its configuration. Its surprising but boats that you would think no problem to get the shaft out may require the engine to get pulled. Others look so hopeless it takes twenty minutes and its done. I would make a suggestion that if the shaft is out take the small amount of additional time needed to replace the cutlass. ¾ of the job is done to get the cutlass out when the shaft is out. Good luck. Kevin
 
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Don Alexander

Why not -

Drill out the remains of the set screw. Put a socket spanner between gearbox and shaft flange. Re-fit and tighten the coupling bolts to press the shaft out of the flange. Remove the flange and re-drill and tap it in another position and reassemble (or buy a new flange). It will then all be as good as before. PS Put the PSS on whilst you have it all apart. Regards
 
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