Technical & Reference Section > Tech and Restoration

Profile crank tool - where can I buy and what are the benefits

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BrianP:
should be okay jim, they'll be snug to get on, but i don't reckon too many sets out there are fitted using the profile tool.

as sanmarcopizza says, make sure the cranks are lined up correctly so ur not a spline out, but this is fairly easy to spot b4 u've the arm on fully anyway.

block of wood and a hammer's a good method of persuasion, then run them up snug using the actual spindle bolts.

good luck, and keep the swear box handy...

bp.

jimwise68:
Just got to get the bearings out of the US BB now. To convert them to mid size.

That is gonna be the b'stard.  :-[

Sanmarcopizza:
I'm sure that shouldn't be too hard, just watch you don't damage the seals. You need to find a hard surface with a gap in it. Wide enough so that the outer face of the cups sits on it, but with a gap so that the bearing can drop through when you tap it. Some gentle heat on the cup may help. As the cups are allumium, but the bearings are steel they should heat up quicker and expand faster than the bearings.

jimwise68:
San is the man!  :4_17_5:

BrianP:
check out the length of the bearing spacer tubes with the us bb too jim.
u may need to shorten the (aluminium) tube, unless they've started supplying one suitable for mid bb's now?
and watch out for the bearing seals (only plastic) if ur doing any heating of the cups...

bp.

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