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Discussion Starter #1
Trying to remove the folding prop off the shaft to replace with a fixed one. Any suggestions on ways to free a stubborn prop. Trying to avoid pulling the whole shaft out since involves dropping the rudder (which also involves having the yard pick up the boat to take it off). Using a 3 part wheel puller and already broke a finger on one. No budge. Was thinking of heating it. Other option take a sawzall and try to slice in two sections. Any ideas appreciated. Should have known this haulout was going too good.

Thisisus
Islander 32
Mobile AL
 

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Heat and puller...... Something hot like mapp of oxy-cet so you heat the prop fast, not the shaft and prop together. sorry to hear about the finger....pullers can be a pain to juggle and set. I would put some tension on the puller and with heat it should pop.....
Good luck
 

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Heat is certainly an option, to be used with caution (for obvious reasons).. Another would be to load up the puller again, and give it a good hard smack on the puller screw head... the shock might break the prop free of the taper. Soak it overnight with penetrating oil too.

If you do try the hard tapping method, do not stand directly in line with the shaft/prop when you do. Even better, leave the nut halfway on - the space between the nut partially threaded on and the prop will be plenty break free on the taper.
 

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Heat and puller with mapp gas as previously noted. The only reason I reiterate it is to add this caution - make sure the nut is loosely on the shaft as, when the prop goes release, it will snap back into what/who ever is directly in it's path unless the nut is there to stop it.
 

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Telstar 28
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Very good advice here...
Heat and puller with mapp gas as previously noted. The only reason I reiterate it is to add this caution - make sure the nut is loosely on the shaft as, when the prop goes release, it will snap back into what/who ever is directly in it's path unless the nut is there to stop it.
 

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Discussion Starter #6
So regular propane torch won't heat up quick enough? Guess that gas won't mix with a regular torch head. Have to see if I can locate one and give that a try. Left the wheel puller attached with a load on it when I left the yard tonight. Maybe I'll try to hit the end first and then go for the heat next. Appreciate the ideas.

Thisisus
 

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A gear pullers is not the right tool for the job. Use a real prop puller. Tension it up, bang the hell out of it with a small sledge (the puller, not the prop!) and if the prop doesn't come loose, reposition it and try again. Pressure, persistence and patience are the keys. The prop will come off. BTW, using a torch should not be necessary.
 

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Lynger1
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Hi just calm down
having had that problem with some other boats
just get small angle grinder with steel cutting blade grind/cut lengthwise with the shaft go just deep that you don't hit the shaft
do the same on other side and just grind/cut to the shaft try to avoid marking shaft
This Will fix it Will take you around 1/2 hour
Done
 

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Contrary to some, I believe it is potentially damaging to use any kind of hammer and definitely don't "bang the hell out of it with a sledge" as that can cause damage to the transmission. I've seen yard jockeys do this often and it has always resulted in some collateral damage to the shaft, bearings or transmission which they don't care about or even acknowledge as it just means more money for them in additional avoidable work.
Heat and the proper puller is all that is needed.
 

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Telstar 28
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No hammering on the prop or shaft... bad idea... definitely may cause damage to the transmission...
 

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Shock and vibration are part of what makes prop pullers work. Most even have a flattened spot on the tool that is a "hammering pad", if you will. They are designed to be beat on. Of course you don't bang on the prop or shaft themselves. I'd wager that I've pulled more props than anybody else on this board, all of them using the technique I've described. Never damaged anything doing it, transmissions included.

It is a rare prop that just comes right off when you apply the puller, as the OP is discovering.
 

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A hydraulic puller is another option for the really stubborn ones, but still works better if you load it up and give the end a smack. Protect against the prop/puller assembly flying off by keeping the nut on the shaft.
 

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I had the same problem removing my prop in the winter.

I finally needed to use the combination of a suitable prop puller (I needed to modify it so that it didn't damage the prop hub), penetrating oil (PB Blaster in this case), and heat from a propane torch.

I had no luck with any subset of the above and was convinced that it was not coming off. With the above it came right off.
 

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Discussion Starter #17
Well went down after work for another shot at the evil prop. Left it last night with the wheel puller attached and a load on it. Got down and started lightly heating it...kept my hand on the shaft to make sure did not get too hot. After about 3 minutes heating it all over it suddenly popped loose. So the dragon is slayed. On to putting a new prop on and get her in the water. Thanks for all the advice and help. Really appreciate it.

Thisisus
Islander 32
Mobile AL
 
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