I pulled a bottom bracket out of a frame with no cranks that had been sitting outdoors for a while. Shimano UN-52, spins fine, etc. The tapers have some rust on them. I did a little sanding and cleaned off most of the scale.
Will the force of installation on the tapers basically smooth out any leftover rust interference? Do the tapers need to be super smooth?
I don't want to ruin the cranks with a loose installation. That is all- concerns about the life of the BB, the smoothness, etc. aren't an issue- just not ruining the cranks.
I pulled a bottom bracket out of a frame with no cranks that had been sitting outdoors for a while. Shimano UN-52, spins fine, etc. The tapers have some rust on them. I did a little sanding and cleaned off most of the scale.
Will the force of installation on the tapers basically smooth out any leftover rust interference? Do the tapers need to be super smooth?
I don't want to ruin the cranks with a loose installation. That is all- concerns about the life of the BB, the smoothness, etc. aren't an issue- just not ruining the cranks.
I would put a bit of anti-seize on the tapers, having had cranks seize to the spindle in the past such that even a gear puller wouldn't shift them.
"Zog The Undeniable" <[email hidden]> wrote in message news:40c02251.0@entanet...
Quoted message said:
Dan Daniel said:
I pulled a bottom bracket out of a frame with no cranks that had been sitting outdoors for a while. Shimano UN-52, spins fine, etc. The tapers have some rust on them. I did a little sanding and cleaned off most of the scale.
Will the force of installation on the tapers basically smooth out any leftover rust interference? Do the tapers need to be super smooth?
I don't want to ruin the cranks with a loose installation. That is all- concerns about the life of the BB, the smoothness, etc. aren't an issue- just not ruining the cranks.
I would put a bit of anti-seize on the tapers, having had cranks seize to the spindle in the past such that even a gear puller wouldn't shift them.
How long had they been on there? Installation torque?
Quoted message said:
However, this is a religious issue!
No, it's not. Religious issues are to do with unprovable matters of belief. This is an engineering issue. Those who like to obfuscate it prefer to deny the evidence so that they can make a religious issue out of it, but it's not. -- Mark South: World Citizen, Net Denizen, Taper Greaser
