Joined Nov 2001
17K Posts | 774+
Ely, England
maybe you guys can get a better journal up than this one:
http://idmru.aston.ac.uk/IDMru.nsf/2eb7 ... %20Drg.PDF
but at least it shows a basic guide to the engineering problems. if you look at the third page it indicates that gears have to be a greater interference fit than bearings yet the bearing has to go past the gears position to get to the shoulder of the crank?
what an engineering dilemma!
regards
Taffy
http://idmru.aston.ac.uk/IDMru.nsf/2eb7 ... %20Drg.PDF
but at least it shows a basic guide to the engineering problems. if you look at the third page it indicates that gears have to be a greater interference fit than bearings yet the bearing has to go past the gears position to get to the shoulder of the crank?
what an engineering dilemma!
regards
Taffy
Re: RE: mains fit on the crank
Hi Taffy,
I suppose it depends on what type of bearing you are using Standard to C4, I rebuilt mine with C4 ball bearings and when the cases came together they were I would say just over an interference fit, no thwacking with mallets or anything just small taps to get every thing lined up, then when bolted up one sharp tap with a hide mallet on the ignition side of the crank just to centralise the bearing spun as free a bird. An still going strong over 2000 miles later.
Do the pre04 crank journals measure a tighter fit than the later type?.
Regards
Sparks.
Taffy said:
Hi Taffy,
I suppose it depends on what type of bearing you are using Standard to C4, I rebuilt mine with C4 ball bearings and when the cases came together they were I would say just over an interference fit, no thwacking with mallets or anything just small taps to get every thing lined up, then when bolted up one sharp tap with a hide mallet on the ignition side of the crank just to centralise the bearing spun as free a bird. An still going strong over 2000 miles later.
Do the pre04 crank journals measure a tighter fit than the later type?.
Regards
Sparks.
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