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Reload this Page 149 Differential cover torque specs
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  #1  
Old 10-24-2022, 06:58 PM
BKsCC BKsCC is offline
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Default 149 Differential cover torque specs
Hi all,

Need to button up the diff cover on the 149. What are the bolt torque specs? I checked both the service and owner manual and didn't see any specs. Don't want to over tighten and cause a leak. Star-pattern tightening like on a car tire for best results, right?

Secondary question: anyone got a good video or step by step write up with pictures on how to tear down the K321A engine and rebuild one? Never done it before and I like being able to follow along.

Thanks!
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Old 10-25-2022, 07:00 AM
R Bedell R Bedell is offline
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From an OCC Member....
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Old 10-25-2022, 04:22 PM
BKsCC BKsCC is offline
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50 in-lbs? That doesn't seem very tight at all. That's like, 5 Nm and my torque wrench doesn't even go that low.
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Old 10-25-2022, 05:05 PM
Ambush Ambush is offline
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It's a 3/8" bolt which is normally 32 Ft Lbs. But I'd pay close heed to the Cub Experts. They know their stuff.
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Old 10-25-2022, 05:16 PM
R Bedell R Bedell is offline
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Quote:
That doesn't seem very tight at all.
It is your tractor. You can tighten them to what ever you want.
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[B]Roland Bedell[/B]

CC Models: 100, 105, 1450, 782, (2) 784, & 2072

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Old 10-25-2022, 06:34 PM
BKsCC BKsCC is offline
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I ain't saying I won't do it, I'm just surprised is all.
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Old 10-26-2022, 05:51 AM
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If that were an aluminum rear it would be 30 ft/lbs so I'm thinking going into CI I would do at least 30 but no more than 50 ft/lbs.
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Old 10-26-2022, 07:22 AM
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Tighten to specks,
if it starts leaking,
tighten more,
when that don't work,
take cover back off and hammer the inward puckers around the bolt holes at least level, maybe a bit outward then reinstall using either the gasket OR RTV, not both.
Or you can hammer the puckers out first, then once and be done
BTDT. multiple times
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  #9  
Old 10-26-2022, 09:00 PM
BKsCC BKsCC is offline
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I tightened to 50in-lb and filled her up.

No leaks after a test drive; runs amazingly smooth with new tires and new hydro fluid.
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