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  Topic Review (Newest First)
05-27-2019 05:03 PM
Originally Posted by BobC View Post
I noticed that too when I was checking my supercharger. A felt tip pen mark.
Balancing mark ,

With the superchargers that we have fitted bigger compressor wheels to , we found some would loosen the bearing section in use afterwards
the original assembly bolts were the problem and now we upgrade the bolts

The loose bearing section would make a lot of vibration and noise , quite obvious and easily addressed if not ignored

i havent tried it yet but think i could source replacement ceramic bearings and rebuild these if ever needed
05-27-2019 10:55 AM
h2madness! Built Beyond Belief...
05-27-2019 09:12 AM
Originally Posted by Rick150 View Post
............ Somebody at the factory put a felt pen mark on one of the blades,...............
I noticed that too when I was checking my supercharger. A felt tip pen mark.
04-06-2019 02:22 PM
h2madness! well,in all the posts here and elsewhere,I've not heard of one impeller going south yet.I check mine every airfilter cleaning.maybe 2k miles or so?.Still fine.
04-06-2019 08:48 AM
BobC Here's the page from the maintenance manual.
04-05-2019 07:30 PM
Rick150 You have to check because vibrations can eventually damage the ceramic bearings. Best to fix it before it shaves alloy off the housing, sucking it in and destroys your motor. 'Preventative Maintenance'
04-05-2019 07:16 PM
12cramster I am total guessing here but at the speed and revolutions that the impeller spins if the axel play gets very far out of spec you won't have to check it. I would think you would feel and hear it. I hope not to find out! lol
04-02-2019 02:32 PM
aleib i did not measure it, but on hand mine look like having a greater than 0.5mm play... i will check again in the next air filter clean/reoil.
04-02-2019 09:51 AM
danham The spec, according to the SX shop manual, is 0.5mm. I don't have my bike yet (any day now), but my understanding from a lot of research is that if the axial play is greater than spec, you have to buy an entire supercharger.

04-02-2019 06:56 AM
H2Lou What was your axial play?
How many miles are on your bike?
What modifications , if any, have you done to your 2018 H2 Carbon?
How long did it take you from start to finish, to check your axial play?
What are acceptable axial play limits?
What do you recommend if axial play exceeds recommended tolerance?
What is involved to reduce axial play?
At what limit does axial play become catastrophic?
This thread has more than 10 replies. Click here to review the whole thread.

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