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tjrm63
Samba Member
Joined: November 15, 2007
Posts: 116
Location: Jersey Shore
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 Posted: Thu Mar 30, 2023 8:55 am Post subject: Gland nut differences |
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Quick question,
I have two chromoly gland nuts, the left one is a 36mm with a rubber insert on top of the needle bearings which fits snug on the shaft and the right one is a 42 mm with the needle bearings closer to the top with no rubber gasket. What one is better to use on my flywheel.
Thank you
Tom
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Brian_e
Samba Member
Joined: July 28, 2009
Posts: 3293
Location: Rapid City, SD
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| Posted: Thu Mar 30, 2023 8:56 am Post subject: Re: Gland nut differences |
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There is supposed to be a little seal in there also. The bearing needs to be pushed in father, and then the seal installed.
Brian
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mukluk
Samba Member
Joined: October 18, 2012
Posts: 7028
Location: Clyde, TX
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| Posted: Thu Mar 30, 2023 9:16 am Post subject: Re: Gland nut differences |
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Wouldn't surprise me in the least to learn the gland nut on the right has the pilot bearing installed backwards. The "RS" at the end of the bearing part number should mean it has a rubber seal on one side.
The seal is important as it helps keep grease in the pilot bearing and crud out.
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jpaull
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Joined: February 22, 2005
Posts: 3466
Location: Paradise, Ca
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| Posted: Thu Mar 30, 2023 10:19 am Post subject: Re: Gland nut differences |
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| mukluk wrote: |
Wouldn't surprise me in the least to learn the gland nut on the right has the pilot bearing installed backwards. The "RS" at the end of the bearing part number should mean it has a rubber seal on one side.
The seal is important as it helps keep grease in the pilot bearing and crud out. |
Thats a damn good catch right there |
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Glenn 
Mr. 010
Joined: December 25, 2001
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Mikedrevguy
Samba Member
Joined: October 15, 2008
Posts: 2240
Location: Medford, OR
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| Posted: Thu Mar 30, 2023 10:49 am Post subject: Re: Gland nut differences |
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I made an adapter for the torque multiplier that steps from the 36 to 38mm gland nut. I suppose could do similar up to 42?
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tjrm63
Samba Member
Joined: November 15, 2007
Posts: 116
Location: Jersey Shore
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| Posted: Thu Mar 30, 2023 11:28 am Post subject: Re: Gland nut differences |
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Ok, so I’m going to use the 36mm with the seal and the bearings farther down
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jimmyhoffa
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Joined: February 16, 2014
Posts: 1059
Location: St. Louis
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| Posted: Thu Mar 30, 2023 12:10 pm Post subject: Re: Gland nut differences |
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I always just support the engine from rotating somehow, lock the flywheel and then stand on the breaker bar in a very specific location. 380 ft-lbs or so is easy to achieve accurately with a 2.5 foot breaker bar. Then I'm not so worried about the diameter of the nut, because I can just use whatever socket works.
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Glenn
Mr. 010
Joined: December 25, 2001
Posts: 76940
Location: Sneaking up behind you
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| Posted: Thu Mar 30, 2023 12:15 pm Post subject: Re: Gland nut differences |
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| jimmyhoffa wrote: |
| I always just support the engine from rotating somehow, lock the flywheel and then stand on the breaker bar in a very specific location. 380 ft-lbs or so is easy to achieve accurately with a 2.5 foot breaker bar. Then I'm not so worried about the diameter of the nut, because I can just use whatever socket works. |
Factory tool, 3/4" drive
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Glenn
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runamoc
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Joined: June 19, 2006
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Location: 37.5N 77.1W
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| Posted: Thu Mar 30, 2023 1:33 pm Post subject: Re: Gland nut differences |
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made this for tightening larger gland bolts. Flanged axle nut welded to a 6-point socket 
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Glenn
Mr. 010
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| Posted: Thu Mar 30, 2023 1:54 pm Post subject: Re: Gland nut differences |
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| runamoc wrote: |
made this for tightening larger gland bolts. Flanged axle nut welded to a 6-point socket
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How do you use one of the standard torque multipliers with that?
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Glenn
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slalombuggy
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Joined: July 17, 2010
Posts: 9147
Location: Canada
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| Posted: Thu Mar 30, 2023 1:58 pm Post subject: Re: Gland nut differences |
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| runamoc wrote: |
made this for tightening larger gland bolts. Flanged axle nut welded to a 6-point socket
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Thats frickin genious, i gotta build one of those. if its too tall for my torque multiplier, ill just cut it down |
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Glenn
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| Posted: Thu Mar 30, 2023 2:00 pm Post subject: Re: Gland nut differences |
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| slalombuggy wrote: |
| Thats frickin genious, i gotta build one of those. if its too tall for my torque multiplier, ill just cut it down |
If you can weld..... (Thanks Mr. Andersen)
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Glenn
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esde
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Joined: October 20, 2007
Posts: 5969
Location: central rust belt
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| Posted: Thu Mar 30, 2023 2:47 pm Post subject: Re: Gland nut differences |
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For those that like to really tighten the gland nut, consider the scat gland nut
AS you can see here it has more threads than the CB offering. Scat on top, CB on bottom
More thread engagement spreads the load.
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Glenn
Mr. 010
Joined: December 25, 2001
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| Posted: Thu Mar 30, 2023 2:50 pm Post subject: Re: Gland nut differences |
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| esde wrote: |
For those that like to really tighten the gland nut, consider the scat gland nut
AS you can see here it has more threads than the CB offering. Scat on top, CB on bottom
More thread engagement spreads the load. |
From the Berg ad
"Manufactured longer so full thread is utilized when our HD thicker washer is used"
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Glenn
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RickS
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Joined: May 05, 2005
Posts: 430
Location: Speonk, NY
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| Posted: Thu Mar 30, 2023 2:51 pm Post subject: Re: Gland nut differences |
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Or if you have the ability to machine it.
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runamoc
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Joined: June 19, 2006
Posts: 5601
Location: 37.5N 77.1W
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| Posted: Thu Mar 30, 2023 4:02 pm Post subject: Re: Gland nut differences |
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| Quote: |
| How do you use one of the standard torque multipliers with that? |
Let me splain it to ya...(don't have a photo) the torque meister can remove both 36mm axle nuts and standard 36mm gland nuts, right? I welded an axle nut to a 6-point socket that fits a bigger gland nut and the torque meister is the standard tool I use to take the larger gland nuts loose and tighten. Just like it was an axle nut but using the flywheel instead of the bolt-on sector gear. Nothing too it. Matter fact, I got the idea for it searching the SAMBA' Gallery photos.
The one you had made doesn't look to be as strong as mine. It has a surface weld (not a very good looking welds at that) holding a 12-point socket on to softer metal. Those larger gland nuts need and can use a higher torque.
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Glenn
Mr. 010
Joined: December 25, 2001
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| Posted: Thu Mar 30, 2023 4:18 pm Post subject: Re: Gland nut differences |
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Ah... never used a torque meister, thanks for explaining it.
The one I have has been used to 450ft-lbs, it it's good enough
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Glenn
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modok
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Joined: October 30, 2009
Posts: 26790
Location: Colorado Springs
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| Posted: Thu Mar 30, 2023 4:33 pm Post subject: Re: Gland nut differences |
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I've noticed for instance a scat gland nut the bearing is closer to the transmission by just under 1/8 inch compared to stock, which is ok, they have been that way a long time, never a complaint.
Then with some of the newer gland nuts like empi it's moved another 1/8 shallower again, so now a full 1/4 inch closer to the trans.
Is that good bad or indifferent? actually I don't really know, but since nobody has reported a problem it might be just fine, or, depends on your input shaft.
If that part of your input shaft is just rust then it's not so good.
Eventually we will need new input shafts anyway. nothing is forever. |
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bsairhead
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Joined: October 08, 2008
Posts: 3580
Location: viroqua wi.
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| Posted: Thu Mar 30, 2023 4:42 pm Post subject: Re: Gland nut differences |
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What does the size of the nut have to due with the size of the torque wrench? |
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