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Originally Posted by Benzcrusher
On my spare turbo, I pulled the compressor and impeller fans off the shaft before I realized that I should have indexed them. Can I balance the assembly later like one balances a model airplane prop?
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Don't worry so much about the fans, they are independantly balanced, it's just that I like to put the assy back EXACTLY as it was to remove any possibility of grief. Also, no reason to remove the turbine fan from the shaft (not sure how you did that anyway?), just the compressor so the assy can be removed.
ANOTHER TIP:
Chamfer the turbine side hole of the housing where the ring (seal that looks like a piston ring) goes into it with a large enough angle that the ring can compress and not pinch (polishing the chamfer while the cartridge is apart is also a good idea, you'll understand when you get to that point) and don't forget the heat shield (cup thingie) BEFORE you install the shaft.