UFO screw

Bernie Benz b.benz at charter.net
Sun Nov 4 11:16:48 PST 2007


It’s the stepped washer/plug that locates the rotor to the hub and  
takes the braking torque off the lug bolts. The screw just holds the  
plug from falling out. So, you can tap the hole for a next larger  
screw and drill the plug to suit.


On Nov 4, 2007, at 9:44 AM, Kneale Brownson wrote:

> I've changed brake pads several times on UFO systems, and today,  
> for the first time,  I broke off the screw that locates the rotor  
> trying to extract it.  Got out some bits and a drill and drilled  
> out the remaining screw, not quite centered, I guess, because after  
> I ran a tap through the hole to clean out the remaining threads,  
> there aren't enough for a replacement screw to grab and fix the  
> rotor in position.  So I put the wheel back on, having to take  
> extra bother to get the wheel, the rotor and the hub lined up so I  
> could turn the bolts in.   My extra-long headless bolt I use  
> instead of the plastic stud that was missing from my OEM toolkit  
> didn't provide enough locating to keep the rotor from turning  
> enough to prevent a wheel bolt to line up with the threads.
>   So I'm concerned about having to replace a wheel on the road if a  
> tire problem developed, especially in the dark of night with  
> traffic whizzing by.
>   Any suggestions?
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