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Re: Rotor oiling - epiphany
Posted: Fri Jun 03, 2016 10:57 pm
by windshieldbug
Don't forget the top side of the rotor. You're only oiling one of the two bearing surfaces...
Re: Rotor oiling - epiphany
Posted: Sat Jun 04, 2016 2:12 am
by Lars Trawen
Today, I took the rotor cap off, put a drop of oil on it, then pulled the valve slide - the vacuum slurped the oil in like crazy.
It's not necessary to do so. The capillary forces are working for you.
Otherwise your 40 years of use had worn out the bearings.
Re: Rotor oiling - epiphany
Posted: Sat Jun 04, 2016 3:55 am
by Ulli
No oil between rotor and casing- never!
Only sometimes half a drop thick oil for the two trunnion links.
Re: Rotor oiling - epiphany
Posted: Sat Jun 04, 2016 4:28 am
by cambrook
The "suction" method doesn't work with vented rotors either.
Re: Rotor oiling - epiphany
Posted: Sat Jun 04, 2016 9:41 am
by Radar
cambrook wrote:The "suction" method doesn't work with vented rotors either.
I put my finger over the vent hole, when I pull the slide and it works fine.
Re: Rotor oiling - epiphany
Posted: Sat Jun 04, 2016 9:32 pm
by balchb
Check out the Jeff Funderburk repair videos on YouTube. He talks about how to oil right after cleaning the horn - using the same properties as water - oil tends to "follow the path" to the inner bearing. He does recommend suction for tight clearances.