Yanmar Cone Clutch Parts Question

[matauri500]

We are heading down to the Bahamas and I need to bring with me the parts necessary to replace the cone clutch in my SD50 sail drive. Can any one tell me what parts I need to order and to have with me to make this repair? Thanks for your help.
Doug
Matauri a Lagoon 500 in Georgetown Exumas
Matauri500

[Panache5000]

Other than the Cone (if it needs replacing) also the following parts: Top Nut 196324-04380 qty1
Thrust Washer 196322-04361 qty1
Collar Thrust 196320-04410 qty1
Circlip 196322-04370 qty2
Collar set 196320-0440 qty1

As explained before, the vertical free play of the Centre Shaft (measured below the Top Nut) after assembly and tightening the Top nut should be 0.2mm. It is a bit of a juggle because the thrust washers come in 0.5mm thickness increments. Shape/sand to correct specs!

Also important to adjust/shim the selector correctly acc to the manual.

If ALL off this is done correctly, your problems should be at an end.

Keep us posted PANACHE


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[Oliver L.]

Doug,

in this forum you can find a step-by-step instruction on how to take out the cone assembly, how to re-lap it and how to reinstall. I watched it once and have some lapping compound on my boat for when it happens again.

Oliver

[DeepFrz]

Oliver, do you have a link?

[chemist]

Here is a pdf file and a couple of links describing the process


I posted these links once on that other forum (MH4US).


"I found a very nice description of what to do on LeuCat´s website.

LeuCat Adventures
pls have a look at the entries from 08/08/2011-08/14/2011

Here are some direct links to the 12 figures that I found.
Fig. 1: Year 4 Day 221 A Schizophrenic Sail | LeuCat Adventures
Fig. 2 & 3: Repairing Your Drive Cone Figure 3 | LeuCat Adventures
Fig. 4 & 5: Figure 5 | LeuCat Adventures
Fig. 6: Figure 6 | LeuCat Adventures
Fig. 7: Figure 7 | LeuCat Adventures
Fig. 8 & 9: Figure 9 | LeuCat Adventures
Fig. 10: Figure 10 | LeuCat Adventures
Fig. 11 & 12: Figure 12 | LeuCat Adventures

Good luck.
Bas."

[enrigenna]

I just lapped a cone clutch for the first time at 2000 hr
how many more times is the lapping possible before need to change the cones?
how often ?

[Catopia]

Originally Posted by Panache5000

Other than the Cone (if it needs replacing) also the following parts: Top Nut 196324-04380 qty1
Thrust Washer 196322-04361 qty1
Collar Thrust 196320-04410 qty1
Circlip 196322-04370 qty2
Collar set 196320-0440 qty1

As explained before, the vertical free play of the Centre Shaft (measured below the Top Nut) after assembly and tightening the Top nut should be 0.2mm. It is a bit of a juggle because the thrust washers come in 0.5mm thickness increments. Shape/sand to correct specs!

Also important to adjust/shim the selector correctly acc to the manual.

If ALL off this is done correctly, your problems should be at an end.

Keep us posted PANACHE


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Panache,
Could you confirm that how long your SD50 cone clutch fix lasted. I believe you first mentioned the solution in Sept 2013. Are they still running trouble free?
Our SD50s have had to be done 3 times in 3 years.

Thanks


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[enrigenna]

I have it done a few months ago at 2000 hrs , and now after 300 hrs I had to do it again ...
Does anyone knows how many more times before need to change?

[Panache5000]

Hi.The clutches are still performing 100% since the correct repair in 2013. Now on 1650Hrs and touch wood, all still well.