UPDATE! Drive spitting at top cover (see pics)

starsnstripers · May 18, 2010

http://www.4shared.com/account/dir/82L_gMmH/sharing.html?sId=uMjj5Rx4iaJkeQYC Here's a pic of it spitting at top cover. Took cover off and there are machined grooves to let water weep out to show it's pumping water i guess. Special Alpha drive i guess. I think every drive should have this feature.

starsnstripers · May 19, 2010

Re: UPDATE! Drive spitting at top cover (see pics)

Nobody has seen or heard of it? I guess that little trickle shouldn't bother the cooling? Seems to run at temp on muffs. Good indicator that drive pump is working. Would like to see some feed back on this one, opinions? Thanks

JustJason · May 19, 2010

Re: UPDATE! Drive spitting at top cover (see pics)

its normal. The slits are there to let a little water into the cavities for cooling purposes.

starsnstripers · May 19, 2010

Re: UPDATE! Drive spitting at top cover (see pics)

There's water in the cavitys with out the slits. The slits let a trickle of water out the cap so you can see that it's pumping water it seems.

Fishermark · May 19, 2010

Re: UPDATE! Drive spitting at top cover (see pics)

starsnstripers said:
There's water in the cavitys with out the slits. The slits let a trickle of water out the cap so you can see that it's pumping water it seems.

I cannot imagine it is normal for water to be spraying out of there. It would seem to me to indicate you have a leak in the cooling passages. Perhaps the pipe is not seated correctly in the pump?

Fishermark · May 19, 2010

Re: UPDATE! Drive spitting at top cover (see pics)

I have an empty Alpha case laying in my shop. Out of curiosity I poked and prodded, even blew compressed air in the various cavities. Those two cavites at the top are simply dead ends. They don't connect with the water passage.

The only thing I can think of is either a corroded passage that has broken through or a flawed casting.

But I will be anxious to see what the more experienced techs have to say.

Fishermark · May 19, 2010

Re: UPDATE! Drive spitting at top cover (see pics)

Here's the pic you posted in case someone doesn't bother to click on the link:

Bt Doctur · May 19, 2010

Re: UPDATE! Drive spitting at top cover (see pics)

There not supposed to leak there. Looks like a good time to split the unit and find out where it`s coming from.

starsnstripers · May 19, 2010

Re: UPDATE! Drive spitting at top cover (see pics)

There's not suppose to be water in those two cavitys? Hmmm? What are the little grooves for that i circled in red i wonder?

starsnstripers · May 19, 2010

Re: UPDATE! Drive spitting at top cover (see pics)

Doc can you post the other two pics on here for me too please? Thanks

jcupo6 · May 19, 2010

Re: UPDATE! Drive spitting at top cover (see pics)

I'm pretty sure that is not normal. I would drain your outdrive oil and see if it's got water in it. From the picture it looks like the your gears are in an oil water soup.

Here is my SEI replacement for my alpha 1. I know it's not the same, but I have the same cutouts you do but no water spitting. I could be completely wrong though, just never seen that before.

starsnstripers · May 19, 2010

Re: UPDATE! Drive spitting at top cover (see pics)

Even if i split the drive again i dont think i could see anything way up in there.

JustJason · May 19, 2010

Re: UPDATE! Drive spitting at top cover (see pics)

justjason said:
its normal. The slits are there to let a little water into the cavities for cooling purposes.

Doh.... There are slits and cavities up there, and that's normal. I missed the part about it whizzing water.... that's definitely NOT normal.

Somehow your getting water into the upper unit and the O-Ring seal has failed. Weird really. How much water is in the gear lube?

starsnstripers · May 19, 2010

Re: UPDATE! Drive spitting at top cover (see pics)

What o=ring failed? The oring on the top cover is fine and there;s no water in my oil. It'd bubbly because i had just previously run it before removing the cover.

Aviator5 · May 20, 2010

Re: UPDATE! Drive spitting at top cover (see pics)

Probably the casting is corroded thru or, most likely, cracked from freezing if water was trapped in there. If water shoots thru where it shown, than it should shoot thru a little drain holes on the sides as well. And since it doesn't I would assume that they are clogged and water was trapped in those cavities and froze.

UPDATE! Drive spitting at top cover (see pics)

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