Technical & Reference Section > Tech and Restoration
Crown race installation
GaryN:
I use some emery paper with oil on it to remove any paint/rust from the steerer tube and also the inside of the race.
I then slide the race onto the steerer tube and the open up the jaws on my workmate so that the upper side of the race is sitting on surface of the workmate jaws, the fork legs are then facing upwards.
I then use a Thor soft face hammer to whack the bottom of the steerer tube, normally one or two sharp hits are enough to drive the race on.
I haven't tried the copper tube method but that sounds good as the copper is not hard enough to damage the race.
Devilock:
--- Quote from: harorider on August 28, 2012, 09:11 PM ---i would use another old crown race on top of the new one them tap it down-i fooked one up before using a flat screwdriver so wouldn't recommend that :-[
--- End quote ---
--- Quote from: GaryN on August 30, 2012, 10:41 PM ---I use some emery paper with oil on it to remove any paint/rust from the steerer tube and also the inside of the race.
I then slide the race onto the steerer tube and the open up the jaws on my workmate so that the upper side of the race is sitting on surface of the workmate jaws, the fork legs are then facing upwards.
I then use a Thor soft face hammer to whack the bottom of the steerer tube, normally one or two sharp hits are enough to drive the race on.
I haven't tried the copper tube method but that sounds good as the copper is not hard enough to damage the race.
--- End quote ---
Nice one, thanks guys. :daumenhoch:
QUADROPHENIA:
Grind the fooker out a bit to start, won't kill it
Devilock:
--- Quote from: QUADROPHENIA on August 31, 2012, 07:18 AM ---
Grind the fooker out a bit to start, won't kill it
--- End quote ---
I would but at the mo Ive got no grinding based tools!! :(
Spen69:
All of the above Rich :daumenhoch:
Bit of gritpaper to clean, then bit of lube. Big hammer, blunt chisel or decent punch or old shifter (adjustable spanner) and work your way round 90 degrees then 45 degrees to finish.
Never had to use a scaffold tube but that's where i'd go if I couldn't use method 1 above.
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