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-   -   Yanmar transmission dipstick question (http://www.sailnet.com/forums/diesel/74033-yanmar-transmission-dipstick-question.html)

arf145 04-30-2011 11:29 AM

Yanmar transmission dipstick question
 
My 2gm20f has the Kanzaki trans. The little dipstick has one mark on it about a quarter inch up from the bottom and a hole up near the top. Is the oil level supposed to be between the bottom and the mark, or between the mark and the upper hole?

centaursailor 04-30-2011 03:03 PM

Not sure of the make of my Yanmar gearbox but the oil level is no higher that the first mark with the cap screwed down.
Safe sailing

night0wl 04-30-2011 05:04 PM

And be careful with that cap screwdown. I've managed to strip my threads right off and rip off the thumbscrew.

How to get it out, I have no idea right now :(

Omatako 04-30-2011 07:28 PM

Yep, anywhere between the marks is good. The marks are indicating no-go areas, no lower than the bottom and no fuller than the top. The level will in any case change with the temperature of the gearbox, fuller when hot obviously.

arf145 05-01-2011 01:27 PM

Quote:

Originally Posted by Omatako (Post 725556)
Yep, anywhere between the marks is good

Thanks for the replies, all. My situation was I got to my boat and found that the mechanic that was working on the shaft had noticed the trans oil was low and had added to the point that the level was midway between the one mark 1/4" from the bottom of the stick and the hole a few inches away near the top. I thought that was too much.

So, between the "marks" was the problem--which marks? There is such a small space between the bottom and the one mark, but it is what I had always taken to be the small target area. Essentially you're checking for the oil to barely be on the stick. My manual says to check with the cap unscrewed, but is hazy on the marks. The trans only takes between .25 and .3 liters of oil, a little over a cup.

I removed about 4 ounces to bring it down to the mark at the bottom of the stick, which I take to be the "top".

CaptainForce 05-01-2011 03:38 PM

Quote:

Originally Posted by night0wl (Post 725538)
And be careful with that cap screwdown. I've managed to strip my threads right off and rip off the thumbscrew.

How to get it out, I have no idea right now :(

I've done this same thing! There's no need to tighten it more than with light fingers.

I have been advised to keep my 30wt oil level for my Kanzaki transmission at the mark that appears bout 1/4" from the bottom of the probe and to check this level without the dip stick screwed in, but just seated against the opening. ......5,170hrs on my 4JH3E and treating me very well! Take care and joy, Aythya crew

arf145 05-01-2011 08:04 PM

Well there you go, another for on the mark. Makes me nervous when mechanics don't know this stuff. And thanks both of you for the warning on overtightening. Noted.

wrapper 08-19-2014 10:44 AM

Re: Yanmar transmission dipstick question
 
Quote:

Originally Posted by centaursailor (Post 725523)
Not sure of the make of my Yanmar gearbox but the oil level is no higher that the first mark with the cap screwed down.
Safe sailing

I beg to differ. The cap should not be screwed down.

See the caution at:

TRANSMISSION TYPES

aa3jy 08-19-2014 11:06 AM

Re: Yanmar transmission dipstick question
 
Quote:

Originally Posted by wrapper (Post 2109985)
I beg to differ. The cap should not be screwed down.

See the caution at:

TRANSMISSION TYPES

Concur..

TropicCat 08-19-2014 02:29 PM

Re: Yanmar transmission dipstick question
 
Quote:

Originally Posted by wrapper (Post 2109985)
I beg to differ. The cap should not be screwed down.

See the caution at:

TRANSMISSION TYPES

I seem to recall this is true


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