Front Crank seal Oil slinger cup

PNP

Member
Hi Team, just went to install a new front oil seal on an engine that I have just had rebuilt. There is a loose pressed metal cup siting on the crank shaft in front of the lower timing chain sprocket.

Does this cup gust sit between the oil seal and the chain?

IMG_1256.JPG
 
I did not stop to think that the pulley/balancer actually protrudes through the oil seal to lock the cup into place. Confession time, I'm a mechanical engineer with a trade (fitter) background. Goes to show there is no such thing as a silly question. Or is there?
 
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