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50fps
MMT 1000 Club
Joined: Tue Jan 13, 2009 6:42 pm Posts: 2377 Location: West Coast Wisconsin
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Seals/Nut
New seal and nut assy on left that I just received and the original on right. Is it correct????? Safe to run?????? Never had a seal issue in the previous 4 years, so I'm unsure of running it. P1010003.JPG P1010001.JPG Pasbon you out there:?:
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Sat Oct 31, 2009 7:08 am |
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POKER1
MMT Elite Member
Joined: Tue Jan 13, 2009 8:02 pm Posts: 6243 Location: Bossier City
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Re: Seals/Nut
Looks like the one I just put in an 2007 36.
_________________ 18x48 Charles Leonard / 36PD
"I do think there is a Squatch in these woods"!!!!!
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Sat Oct 31, 2009 10:29 am |
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50fps
MMT 1000 Club
Joined: Tue Jan 13, 2009 6:42 pm Posts: 2377 Location: West Coast Wisconsin
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Re: Seals/Nut
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Sat Oct 31, 2009 11:27 am |
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POKER1
MMT Elite Member
Joined: Tue Jan 13, 2009 8:02 pm Posts: 6243 Location: Bossier City
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Re: Seals/Nut
The one on the left, the seals were flush with the outer edge.
_________________ 18x48 Charles Leonard / 36PD
"I do think there is a Squatch in these woods"!!!!!
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Sat Oct 31, 2009 7:44 pm |
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bayouboy
MMT Elite Member
Joined: Tue Jan 13, 2009 6:08 pm Posts: 5376 Location: Venice, La
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Re: Seals/Nut
It shouldn't matter what year the motor was made, it matters what L/U you have (the old or new style). I have the new style and it looks like the seal on the left.
Mitch, gathering that you said you haven't had an issue in 4 years and no plug in the mid section tells me your more than likely running the old style L/U and the nut you recieved is for the new type ( the new style L/U has a small knuckle like gusset right on top of the gear housing). I'm 99.9% sure the seals are the same and you can just swap them out if your in a pinch.
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Sat Oct 31, 2009 10:26 pm |
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50fps
MMT 1000 Club
Joined: Tue Jan 13, 2009 6:42 pm Posts: 2377 Location: West Coast Wisconsin
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Re: Seals/Nut
Thanks BB. Another question, do I have a mixed PD. Here are some additional photos.
Is this the casting gusset your referring to? PB010577.JPG
No plug. PB010576.JPG
I'm just being cautious, seeing as the original nut/ seal pack is an 1/8" or so longer in thread area and the seals are recessed when compared to the one sent out.
The 4 year reference was in regards to my previous 27PD and this one, which I've only had since Feb/March 08.
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Sun Nov 01, 2009 10:32 am |
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POKER1
MMT Elite Member
Joined: Tue Jan 13, 2009 8:02 pm Posts: 6243 Location: Bossier City
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Re: Seals/Nut
The new LU had a change in the upper seal and there is a zerk behind that pipe plug located on the tower. That is a new style LU but I couldn't tell you if it has the the upper seal/bearing with the zert. When I got the new LU I had to drill & tap the tower plug to be able to reach the new bearing/seal zert. The lower units are the same as far as I know with a few internal upgrades over the years but they all retrofit to existing units.
_________________ 18x48 Charles Leonard / 36PD
"I do think there is a Squatch in these woods"!!!!!
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Sun Nov 01, 2009 12:52 pm |
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bayouboy
MMT Elite Member
Joined: Tue Jan 13, 2009 6:08 pm Posts: 5376 Location: Venice, La
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Re: Seals/Nut
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Sun Nov 01, 2009 7:11 pm |
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POKER1
MMT Elite Member
Joined: Tue Jan 13, 2009 8:02 pm Posts: 6243 Location: Bossier City
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Re: Seals/Nut
Only way you gonna knoe for sure is to frop the LU and take a look at the top seal and see if it has the zert. Could have been a new style LU built right before the seal change, if there were any built like that.
_________________ 18x48 Charles Leonard / 36PD
"I do think there is a Squatch in these woods"!!!!!
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Sun Nov 01, 2009 7:43 pm |
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bayouboy
MMT Elite Member
Joined: Tue Jan 13, 2009 6:08 pm Posts: 5376 Location: Venice, La
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Re: Seals/Nut
The new L/U is made by a different manufacturer and was redesigned with an upper greased bearing from the start, unlike the old type where the upper bearing was lubricated from the oil bath by a spiral pick up on the upper shaft. The problem with this design was that in certain situations the oil pick up would not work if there was a low oil level in the L/U, resulting in the upper bearing running dry and failing.
I seriously think that this unit just slipped though the cracks during the new L/U swap over.
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Sun Nov 01, 2009 8:16 pm |
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bayouboy
MMT Elite Member
Joined: Tue Jan 13, 2009 6:08 pm Posts: 5376 Location: Venice, La
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Re: Seals/Nut
Mitch, I steered you wrong Myboy. I had Chicklet dig up my old one I just changed out, an apparantly its the seal nut on the right for the new style L/U not the left. Sorry Bro!
My humble appologies.
A couple pics complements of Chicklet! ( I'm stuck at work).
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Sun Nov 01, 2009 8:48 pm |
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50fps
MMT 1000 Club
Joined: Tue Jan 13, 2009 6:42 pm Posts: 2377 Location: West Coast Wisconsin
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Re: Seals/Nut
So the one with the recess and longer threads is for the newer L/U? If that's the case I still need to drop the L/U and check/tap for a pipe plug correct? Thanks Chicklet
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Sun Nov 01, 2009 8:57 pm |
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bayouboy
MMT Elite Member
Joined: Tue Jan 13, 2009 6:08 pm Posts: 5376 Location: Venice, La
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Re: Seals/Nut
Correct!
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Sun Nov 01, 2009 9:09 pm |
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50fps
MMT 1000 Club
Joined: Tue Jan 13, 2009 6:42 pm Posts: 2377 Location: West Coast Wisconsin
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Re: Seals/Nut
Well I dropped the L/U and I do have the updated lower seal system, but the upper shaft housng is a breather tube style with no grease port. It has the gusset on the gear case with the raised Pro-Drive on the side. I know I was creating a franken engine, guess I got the drive to go with it.
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Mon Dec 14, 2009 2:33 pm |
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