Mark44
Katie's Boss
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I need to clean my crank and bearings after a piston edge broke. Parts washer then oil it up?
Mark44
Mark44
I just did the same thing...
I used almost a whole can of WD40 to flush out any possible metal shavings. I spun the bearings while I was spraying WD40. I was surprised at how much black gunt came out of the bearings.
Then I used compressed air to get as much of the WD40 out as possible. To finish it off, I used engine assembly lube on the bearings before the engine went back together.
If your going to split cases the seals are getting replaced anyways.Diesel fuel is much cheaper than wd40 and less harsh on the seals than brake cleaner.
One thing, if you are blowing compressed air into bearings to dry them out NEVER get the bearings spinning at high speed from the air. Especially where they start to make a humming noise. That is the quickest way to ruin a precision bearing.