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09-11-2020, 08:47 PM
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#21
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Senior Member
Brand: DRV
Model: 41RSSB4
State: South Dakota
Posts: 313
THOR #5859
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One problem I see is the grease hubs dont have a fill hole. The center plug is for access to the grease jerk. And the hub should a lot fuller than that height.
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George
Kerrville, Tx
2015 Mobile Suites 41RSSB4
2011 F350 Dually 6.7 PSD
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09-12-2020, 02:36 AM
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#22
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Senior Member
Brand: DRV
Model: 2019 MS 39DBRS3
State: Delaware
Posts: 557
THOR #9431
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The center plug is the fill hole and the level is at the bottom of the hole.
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Thanks,
Duane
2019 DRV MS 39DBRS3
2020 F-450
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09-12-2020, 11:57 AM
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#23
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Senior Member
Brand: DRV
Model: 41RSSB4
State: South Dakota
Posts: 313
THOR #5859
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I found out that the inner part of the grease/oil seal attaches to the spindle and the outer part rotates with the hub.
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George
Kerrville, Tx
2015 Mobile Suites 41RSSB4
2011 F350 Dually 6.7 PSD
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09-13-2020, 03:43 PM
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#24
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Senior Member
Brand: DRV
Model: 2019 MS 39DBRS3
State: Delaware
Posts: 557
THOR #9431
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Quote:
Originally Posted by Fulltimer50
I found out that the inner part of the grease/oil seal attaches to the spindle and the outer part rotates with the hub.
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May come apart that way but does not install like that.
__________________
Thanks,
Duane
2019 DRV MS 39DBRS3
2020 F-450
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09-13-2020, 05:15 PM
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#25
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Senior Member
Brand: DRV
Model: Mobile Suites 36RSB3
State: Florida
Posts: 276
THOR #17449
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Has anyone considered or done a brake up grade using something like Brembo or Wilwood with a slotted rotor?
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09-14-2020, 12:43 PM
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#26
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Senior Member
Brand: DRV
Model: 41RSSB4
State: South Dakota
Posts: 313
THOR #5859
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When the National seal for oil bath hubs is pushed onto the spindle, the part of the seal that contacts the spindle does not rotate on the spindle. If you grab the part of the seal that would be installed in the hub, the hub part of the seal rotates. Looks like a two piece seal. The seal is made for oil bath hubs but can be used for grease.
The Dexter seal that I am replacing, works like I am used to. It rotates on the spindle.
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George
Kerrville, Tx
2015 Mobile Suites 41RSSB4
2011 F350 Dually 6.7 PSD
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09-14-2020, 04:50 PM
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#27
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Senior Member
Brand: DRV
Model: 39TKSB3 "Modified"
State: South Dakota
Posts: 1,838
THOR #1661
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Quote:
Originally Posted by Fulltimer50
Now that I finally have more time to start this maint project and found some questions. Since I got the oil seals you suggested, and since grease is such a mess I figure I may as well try the oil bath way. I hope the parts you listed are for the 8K Morryde hubs w/kodiak disk brakes. I hand fit a seal onto the spindle and it seems to fit very tight as in will not turn freely. I admit at this point I did not put oil on them yet, just the lube they came with which is a bit tacky. What oil is suggested for the hubs? Thanks.
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The seals will be a snug fit on spindles. Use lube to install.
I prefer AMZ/OIL 75-90 Severe Gear. It comes in a nice squeeze bottle.
On level ground fill to bottom of fill hole.
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09-14-2020, 04:51 PM
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#28
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Senior Member
Brand: DRV
Model: 39TKSB3 "Modified"
State: South Dakota
Posts: 1,838
THOR #1661
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Quote:
Originally Posted by Fulltimer50
I found out that the inner part of the grease/oil seal attaches to the spindle and the outer part rotates with the hub.
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The outer part is tight to the hub. The inner and outer parts rotate within them selves.
Mis read, you basically said the same.
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02-09-2023, 06:23 PM
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#29
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Junior Member
Brand: Still Looking
State: Florida
Posts: 7
THOR #13453
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Quote:
Originally Posted by Cummins12V98
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Resurrecting this thread - this seal and bearings were used to convert an 8k Morryde IS to a oil bath, correct? As well as the replacement O ring on the outer cap? Looking to do this myself. Any issues since converting?
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02-09-2023, 06:43 PM
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#30
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Senior Member
Brand: DRV
Model: 39TKSB3 "Modified"
State: South Dakota
Posts: 1,838
THOR #1661
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YES 8k IS.
Worth every hard earned cent!!! Oil bath seals are dry along with the nice cap "O" rings. Pads are wearing well also.
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02-09-2023, 06:49 PM
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#31
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Senior Member
Brand: DRV
Model: 39TKSB3 "Modified"
State: South Dakota
Posts: 1,838
THOR #1661
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Quote:
Originally Posted by rynosback
These should be used even if you have grease packed bearings. As the seal that came with the cap was CRAP and would break down after a year. I still have smaller and larger ones that I bought until the correct seal size was established.
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Thank you again Ryan for finding these quality "O" rings!!!
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02-09-2023, 06:58 PM
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#32
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Junior Member
Brand: Still Looking
State: Florida
Posts: 7
THOR #13453
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Quote:
Originally Posted by Cummins12V98
YES 8k IS.
Worth every hard earned cent!!! Oil bath seals are dry along with the nice cap "O" rings. Pads are wearing well also.
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Thank you for the update and information. My last trailer had been converted to oil bath, and I liked not having to pack bearings and waiting for a failure. I also like being able to look at the cap and see my oil level, and they always ran cool. I'm doing all the maint on the drive train prepping for leaving our winter spot for summer travels.
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02-09-2023, 08:33 PM
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#33
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Senior Member
Brand: DRV
Model: 39TKSB3 "Modified"
State: South Dakota
Posts: 1,838
THOR #1661
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Quote:
Originally Posted by aknavy
Thank you for the update and information. My last trailer had been converted to oil bath, and I liked not having to pack bearings and waiting for a failure. I also like being able to look at the cap and see my oil level, and they always ran cool. I'm doing all the maint on the drive train prepping for leaving our winter spot for summer travels.
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Post some pics of your progress.
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