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Prop shaft removal 89 Martinique

Printed From: CorrectCraftFan.com
Category: Repairs and Maintenance
Forum Name: Boat Maintenance
Forum Discription: Discuss maintenance of your Correct Craft
URL: http://www.CorrectCraftFan.com/forum/forum_posts.asp?TID=18570
Printed Date: November-18-2024 at 5:30pm


Topic: Prop shaft removal 89 Martinique
Posted By: 8122pbrainard
Subject: Prop shaft removal 89 Martinique
Date Posted: July-14-2010 at 3:34pm
Originally posted by phodges phodges wrote:

Can Anyone help on shaft removal on a CC 89 Martinique? Please.And I am sorry for jumping on your question. I can't see how to start a new post.

This should probably go in the maintenance section. Go there and there is a icon over to the left for starting new topics.

Is the shaft bent? Just wondering why you're pulling it.

The hardest part is getting the coupling off the prop shaft since it should be a heat shrink it fit. There's a trick that many have used. A deep socket in the middle betwen the two coupling halves just smaller than the prop shaft and then long threaded rod w/nuts where you removed the bolts holding the halves together. Tightening the threaded rod nuts will then push the shaft out of the coupling. I suggest fine thread to give you a better mechanical advantage.

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64 X55 Dunphy

Keep it original, Pete
<



Replies:
Posted By: 8122pbrainard
Date Posted: July-14-2010 at 3:47pm
I see you did a edit and added that you hit a stump. How's the strut? Prop gone too?

Since the shaft is bent, the best is to get new but some have had good luck with straightening. If you do go new, it may be easier to just get the Sawsall out and cut the shaft just aft of the coupling.

The easy shaft to put back on the boat is a A.R.E. They have a taper on both ends for the prop and the coupling. It makes the coupling real easy to put back on. No heating for the shrink fit.

Welcome to CCfan.

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54 Atom

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64 X55 Dunphy

Keep it original, Pete
<


Posted By: phodges
Date Posted: July-14-2010 at 3:57pm
Thanks for your help. Will the rudder have to be removed?

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p hodges


Posted By: 8122pbrainard
Date Posted: July-14-2010 at 4:01pm
Yes you'll need to drop the rudder.

Get your first name up in your profile. Most here go by them and I have a bad habbit of calling people "no name" if they haven't included it!!

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64 X55 Dunphy

Keep it original, Pete
<


Posted By: 8122pbrainard
Date Posted: July-14-2010 at 4:21pm
Yes, you'll need to remove the gas tank unless your arms are small enough to fit back under it. You'll find a center bolt as well as a clamp bolt on the tiller arm. Remove them and the rudder may drop so stick a 2x4 under the rudder outside the boat. If it doesn't drop, you'll se some rather large nuts on top of the rudder port. One is the packing nut and the thin one below is it's jam nut. Loosen them and the rudder will then come out.

This is a excellent time to do a repack of both your rudder port and your prop shaft packing gland.

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64 X55 Dunphy

Keep it original, Pete
<


Posted By: TRBenj
Date Posted: July-14-2010 at 5:08pm
Originally posted by 8122pbrainard 8122pbrainard wrote:

Yes, you'll need to remove the gas tank unless your arms are small enough to fit back under it.

Come on Pete, dont get so caught up in calling him "no name" that you neglect to notice what kind of boat he has! There will be almost a foot of clearance between the tank and rudder on the v-hulled Martinique. No skinny arms required!

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Posted By: 8122pbrainard
Date Posted: July-14-2010 at 5:47pm
Tim,
Knowing you and your knowledge base, you're probably correct. Yes, I spoke out of turn here but how big is the tank in it? Also I did know what boat he has but personally have never been into the aft end of one.

So, back to the original question if the tank needs to come out to get the rudder dropped. Probably not. Take a look and report back. I'm curious now!!

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54 Atom

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64 X55 Dunphy

Keep it original, Pete
<


Posted By: C-Bass
Date Posted: July-14-2010 at 6:05pm
You can get a good look at a Martnique's ass by sticking your head up it..but I'd rather take Tim's word on it.

...or something like that

(disclosure...if you haven't seen Tommy Boy...don't try to make sense out of that)

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Craig
67 SN
73 SN
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85SN


Posted By: NEDLUTZ
Date Posted: July-14-2010 at 6:23pm
that hull is pretty much the same as the bfn.


Posted By: TRBenj
Date Posted: July-14-2010 at 9:02pm
Originally posted by 8122pbrainard 8122pbrainard wrote:

how big is the tank in it? Also I did know what boat he has but personally have never been into the aft end of one.

So, back to the original question if the tank needs to come out to get the rudder dropped. Probably not. Take a look and report back. I'm curious now!!

Like Nedlutz said, the v-hulls should all be very similar. The gas tank sits on supports that rest on top of the secondary stringers. The secondary stringers are about 9" tall. The v-hull continues to taper most of the way to the keel, so you end up with a ton of vertical room under the tank. More than enough to reach in and fiddle with the rudder.

Borrowed from Greg:



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Posted By: SNobsessed
Date Posted: July-15-2010 at 1:34am
Redneck time - We hit a submerged log a couple weeks ago. Bowed the shaft & I believe moved the strut too. Believe it or not, the Acme prop is undamaged - heck of an alloy!

I made some V blocks from angle iron (welded flats to the bottoms).

The shaft was bowed about .009 inch. Found the high spot with a dial indicator. My son & I used our weight to straighten the shaft - got it down to .0015 inch.   

After realignment it runs smooth, but the helm want to pull to port a little - I think the stut is bent - I'll save that for a winter project.

Moral of my story - It is possible to straighten the shaft yourself if it is only slightly bent.

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“Beer is proof that God loves us and wants us to be happy.”

Ben Franklin



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