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Belt pulley oil seal on B
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Freewheeling View Drop Down
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Joined: 05 Nov 2017
Location: Wisconsin
Points: 166 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Freewheeling Quote  Post ReplyReply Direct Link To This Post Topic: Belt pulley oil seal on B
    Posted: 31 Jul 2025 at 8:33am
I pulled the old leather seal on my IB and replaced it with a CR rubber lip seal # 13865.  I noticed that the shaft has oil return grooves in it.  It appears that the seal is on the surface before the grooves but I'm not sure.   Do you think this will be OK or should I fill the groove with JB Weld?  Thanks. 
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steve(ill) View Drop Down
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Joined: 11 Sep 2009
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Points: 87647 		Post Options Post Options   Thanks (0) Thanks(0)   Quote steve(ill) Quote  Post ReplyReply Direct Link To This Post Posted: 31 Jul 2025 at 9:50am
best just to monitor it and see if it leaks..... Might be OK... Others have done the JB weld in the groove or bought a stainless sleeve to go over the shaft ( speedi).....

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SKF Speedi-Sleeves

The SKF Speedi-Sleeve is a thin-walled, 0.25 mm (0.01 in.) sleeve designed to repair worn shaft surfaces, making them suitable for radial shaft seals. It is easily installed over the worn area without the need for shaft disassembly or machining, helping to minimize downtime. The original seal size can still be used, so there’s no need to keep a variety of seals on hand. 

SKF Speedi-Sleeves Catalog.



Edited by steve(ill) - 31 Jul 2025 at 9:52am
Like them all, but love the "B"s.
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Points: 166 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Freewheeling Quote  Post ReplyReply Direct Link To This Post Posted: 31 Jul 2025 at 10:33am
Thanks.  The shaft looked good so maybe I'll get lucky.   I plan to flush the tranny with  diesel fuel only because it's cheaper than kerosene, then drain and run universal transmission/hyraulic for a few minutes, then drain and refill with the same.  Are any of the diesel additives a potential problem?  Any tips?
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steve(ill) View Drop Down
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Joined: 11 Sep 2009
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Points: 87647 		Post Options Post Options   Thanks (0) Thanks(0)   Quote steve(ill) Quote  Post ReplyReply Direct Link To This Post Posted: 31 Jul 2025 at 4:36pm
how bad is the oil ??? I would be tempted to skip the diesel unless it is pure junk. Put the  hy/trans oil in and run several hours.. Wait a few days or a week... Then drain and do the final fill...you could use something CHEAP for the flush and drain..


dont forget the old final drives... they normally get neglected !


Edited by steve(ill) - 31 Jul 2025 at 4:38pm
Like them all, but love the "B"s.
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