Bukh DV10 General questions & inquiry - Page 2 - SailNet Community
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post #11 of 24 Old 05-10-2017 Thread Starter
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Re: Bukh DV10 General questions & inquiry

This is the GearBox (checked the oil, seems to be fine and plenty of it). By the way, what oil goes normally inside the engine and gear box?

PS: Gearbox seems to be BW6
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Re: Bukh DV10 General questions & inquiry

Gearbox Image

I am assuming that is 2.5 Forward and 2.77 Back reduction ?
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Re: Bukh DV10 General questions & inquiry

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This is the GearBox (checked the oil, seems to be fine and plenty of it). By the way, what oil goes normally inside the engine and gear box?

PS: Gearbox seems to be BW6
Page r3 in the workshop manual I linked in earlier post
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Re: Bukh DV10 General questions & inquiry

Yes, thank you, i just downloaded it. Seems i need to go through that in a bit more detail Sorry for being annoying
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Re: Bukh DV10 General questions & inquiry

My memory (often fading) tells me these are Dutch engines and are known as very reliable workhorses.
You may be gifted with a nice one that just needs some adjustments and care.
Being a single, it should be fairly easy to work on and diagnose problems.
Really, I would change all fluids and know cable adjustments should be reset, and maybe fresh cables needed. Stretched cables always need attention.
After you get her purring right, you can give her a name...
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Re: Bukh DV10 General questions & inquiry

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My memory (often fading) tells me these are Dutch engines......
Dutch, Danish.... close enough

They are Danish, however. Yes, known to be reliable, but pricey parts when you can get them (not that they are alone in that).

Ron

1984 Fast/Nicholson 345 "FastForward"

".. there is much you could do at sea with common sense.. and very little you could do without it.."
Capt G E Ericson (from "The Cruel Sea" by Nicholas Monsarrat)
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Re: Bukh DV10 General questions & inquiry

Netherlandian and Denmarkian has always worked for me. Have extended family in Denmark that I visit from time to time. Nice place, try the herring. Try it 37 different ways.


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Re: Bukh DV10 General questions & inquiry

Once again thank you all for the feedback. Really appreciate it. Am changing all that is leaking as well as adjusting it right now so it should work fine. (Not that it didn't before)
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Re: Bukh DV10 General questions & inquiry

Well i did a service on the engine. Changed Oil, cables, filters, changed and fixed the Thermostat. Seems to run just fine and after i lowered the RPM's a bit it does shift fine now from back to forth.

The oil in the gearbox is something i didn't change and from the documentation it looks like it uses the same oil as the engine but the level in the gearbox seems to be really high. Pretty much double of what the dipstick shows. I assume whoever pored it in, filled it up to the brim. I have limited access to the bolt to empty it so for few days will leave it as is.

One thing i did notice is a slight wobble of the shaft where the "Lubricating" coupling interfaces. The shaft i would say goes up and down about 1/4 of an inch. Is this something i should be worried about? I don't run the engine too high and mainly use it to get in and out of the marina.
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Re: Bukh DV10 General questions & inquiry

Do you have an oil extractor (small vacuum pump/reservoir?) Easy to remove excess oil from the gear with one of those.

As to your shaft wobble, the first thing is probably to check your alignment - separate the coupling at the back of the gear and see how well the face-to-face surfaces match. The engine mounts should be adjustable to allow these faces to be trued up (be sure the shaft is centered in the log while checking this)

If you're unable to get a good alignment it's probable the shaft is bent - not a good thing long term, but by the sounds of it you don't have access to a lot of services. Machine shops nearby?? A new shaft may be necessary, that means a haulout and quite a bit of work (some boats the rudder needs to be dropped out before the shaft will pull free)

Just another in your list of 'to dos'.....

Ron

1984 Fast/Nicholson 345 "FastForward"

".. there is much you could do at sea with common sense.. and very little you could do without it.."
Capt G E Ericson (from "The Cruel Sea" by Nicholas Monsarrat)
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