Prop shaft coupler removal

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Prop shaft coupler removal

Postby Jim Godlewski » Tue May 09, 2017 10:49 am

I have only about 3.5 inches of room for a puller here once I add a backer plate to the coupler for the puller. Not to mention the starboard engine has more stuff in the way to even get in there. What do you guys suggest? This is a 1970 38 ft Connie.
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1956 17 Sportsman CC-17-2310
1930 20 Model 100 7152
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Re: Prop shaft coupler removal

Postby Greg Wallace » Tue May 09, 2017 11:43 am

Place a spacer between the end of the prop shaft and the end of the transmission output shaft. Re-couple to the transmission and carefully and evenly retighten the coupler bolts and push the shaft out .
Greg Wallace 23 Custom 22166 former Chris-Craft dealer Russells Point, Oh.
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Re: Prop shaft coupler removal

Postby joanroy » Tue May 09, 2017 6:14 pm

Agree with Greg. Or blast it with PB and tap tap from side to side and see if it starts to move. I use a brass drift and a hammer so
I don't bang up the flange. It's tight, but not pressed on. Good Luck!
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Re: Prop shaft coupler removal

Postby jfrprops » Wed May 10, 2017 9:35 am

both good suggestions....combine the PB with the press out tactic....will work...be patient....and, as said, don't use a steel hammer.....

Some guys have experiments with freezing to shrink and heating to expand various parts....but access precludes that in your case I would guess.

Good luck....use LOTS of PB Blaster...over multiple days.....

John in Va.
1980 Fairchild Scout 30
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1954 Whirlwind deluxe dual ckpt 16'
1921 Old Town Charles River 17' (founding Captain, James River Batteau Festival)
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Re: Prop shaft coupler removal

Postby jim g » Fri May 12, 2017 11:03 pm

Slide hammer for removing the shaft from the couplers.


https://www.generalpropeller.com/minder ... aft-puller
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Re: Prop shaft coupler removal

Postby Jim Godlewski » Sun May 21, 2017 4:16 am

jim g wrote:Slide hammer for removing the shaft from the couplers.


https://www.generalpropeller.com/minder ... aft-puller

Jim,
I like the slide hammer idea although I hear some "don't do it", have you had good luck with this technique?
1956 17 Sportsman CC-17-2310
1930 20 Model 100 7152
https://1956chriscraftsportsman.shutterfly.com/
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Re: Prop shaft coupler removal

Postby cc-woodboats » Sun May 21, 2017 7:43 am

I have used the slide hammer method numerous times over the years.
it works great! only caution is to stop as soon as the shaft clears the coupling so you dont jam the shaft key into the packing nut.
best to have a helper watching the coupling while you run the slide hammer.
takes about 10 min.
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