RCR 1248 blade nut

Pony Doc

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Lifetime Member

Equipment
SSV75 Kioti LK3054 Oliver 1250
Dec 15, 2020
32
18
8
Central Colorado
The owners manual refers to the nut as a lock nut and that the nut should be replaced with a new nut after removal. I'm not the original owner of this equipment, don't know if this is OEM but it doesn't look like a locking nut. Any information would be appreciated.
 

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Russell King

Well-known member

Equipment
L185F, Modern Ag Competitor 4’ shredder, Rhino tiller, rear dirt scoop
Jun 17, 2012
4,788
1,050
113
Austin, Texas
Looks exactly like a prevailing torque lock nut to me.

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Pony Doc

Member
Lifetime Member

Equipment
SSV75 Kioti LK3054 Oliver 1250
Dec 15, 2020
32
18
8
Central Colorado
Thanks for the education! I wasn't familiar with this type of locking nut. Removing it distorts the locking threads necessitating is replacement. That also explains the torque spec, 450 ft-lbs.
 
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