Its weird, im trying to reference other pictures to see what this gear looked like.
Im not sure, your picture looks kinda like a E8000 gear, but i dont recall there being any shim whatsoever?
Also yours seems to have some kind of black plastic axle? Or is that just optical illusion of the...
I dont think this is a E8000 gear?
The black gear on my E8000 axle doesnt have a bearing, its just fixed in place (i assume pressed). And i never took it off anyway. Just removed the bearings on the end, and replaced with new bearings. There is no shim on that axle.
Imo the probable cause is...
Thank you bearing man. Next time im in there i will do a measurement of those clearances.
The axles do have a chamfer (is that the right word?) where you press the bearings up to. So it should be obvious how far to press the bearings on (until they cant go any further, i had assumed). Im...
So in my last picture, with the term "washer" i actually meant the retaining clip. Its actually a E-clip or E-ring. That clip is too loose, has too much free play. The clip is actually too thin for the groove on the axle. And it doesnt support the gear all the way around (since it has a cut out...
Ok, so i think ive finally found the true source of the whining sound in my motor. I thought it was the failure of the grease on the metal-metal gears, but i now think that is just a result of the problem, not the cause.
The cause is excessive play on the motor clutch gear (i think someone...
Cant help you there, sorry.
But as someone who has also done motor and gearbox revisions on 80's cars, i can tell you the E8000 is no rocket science.
If you have the experience you say you have, just go ahead and open your current E8000, should be a pretty easy straight forward job. Just work...
The jury is still out on that one.
Reusing the old grease is probably your best bet for now.
From personal testing i can also recommend PG75 for plastic-to-metal gears, and Gadus S2 V100 2 for the clutch bearings (though these results are from short term testing). For the metal-to-metal gears...
Ok, its a bit difficult to see in what direction the crank is moving, but i think the clicking is just from the floating bearing bumping against the side of the case. That would be normal behavior. But it does seem a bit louder than my motor. So perhaps one of those wavy washers has failed like...
I would stick with a generic ball bearing grease for ball and roller bearings. PTFE is great for reducing friction, but you dont want your roller bearings to start sliding. They are supposed to be rolling (with a certain amount of grip of the balls/rollers on the bearing race).
So i'd advice...
I would say the OKS 270 is a very promising candidate! Provided you can keep it away from the clutch bearings (and other bearings) of course.
Perhaps ill give it a try once im back home and my Gadus experiment has ended.
Thanks! :)
Sigh... Well, if anything ive became quite skilled in servicing the E8000 with all that trial and error. Its almost a routine job now, just like servicing brakes or suspension.
Shell Gadus S2 V100 2 is not designed to assist clutch bearing grip. The fact that we use it for that purpose does not mean it was designed for that purpose.
Shell Gadus S2 V100 2 is designed as a "High performance multipurpose grease". And its application is primarily for bearings (roller...
Also, should the Gadus S2 not work for the metal gears either, i will try a Molybdenum disulfide grease. I think the moly attaches nicely to the metal, and lowers friction, possibly keeping temperatures lower. Thus preventing the burning of the grease.
For all these greases (plastic, pg75...
Well... i just had the same problem reoccurring as last time. After about 500km some of the grease on the metal to metal gears becomes overheated and solidifies. And then the motor starts making a weird humming sound. The grease turns brown to blackish in color.
Ive had this happen before when...
Well, hello there! :)
So, im not sure what you exactly desoldered inside the E8000, but desoldering is technically not required to remove the crank and replace the bearings. You can leave the big red and black battery wires connected, and seperate the E8000 housing in 2 pieces (still joined by...
Moly grease isnt preferred for roller bearings.
I suspect it looks a bit dark because over time tiny amounts of metal particles gets in the grease from normal bearing and race wear. I see it happen with the ball bearing grease that i use for the roller bearing as well. It starts as a light...
i will let you know my findings.
Ive regreased my e8000 last week with hopefully the proper stuff.
- Shell Gadus S2 V100 2 for the sprag clutches (though i didnt have any problems before with the original white Shimano plastic gear grease in the clutches). But Shell Gadus is cheap and easy to...
The H03A and H03C are identical to the D03S, with the exception of a cooling fin on top. For certain calipers you can use both. For example the BR-MT520 works with D03S, but will also work with H03A / H03C (even though shimano does not officially lists them as supported).
Yeah ill probably try that when i can acquire some of it.
For now the lithium ball bearing grease has fixed the problem. No more noise :)
It got me thinking however... What if when cleaning the motor, i removed some grease from places that i wasnt supposed to remove grease from? I used some of...