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Flooded Freewheel

Old 04-10-20, 10:13 AM
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LeicaLad 
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Flooded Freewheel

Gentle Wrenches,

I built a wheel set on fine Campy Hi-Flange hubs that, of course, require a freewheel. Deep from within the boxes came a nice Sachs Maillard LY92 freewheel, with a note saying “low miles, flush, lube”.

So, initially, I shot a certain volume of WD-40 into both sides. A surprisingly small volume came back out. Suddenly, the FW body quite literally sloshed. I left it on absorbent material overnight. Very little out. So I shot a bunch of penetrating oil into it. Perhaps a small amount more came out. Modest dirt with the oils. But once the seals were clean, any further oil evidence appeared clean.

So I dismantle the cogs from the body, just to get closer access to the matter. It’s now been a couple days of attempts to drain one direction or the other. There was a last addition of several drops of Phil’s Tenacious Oil, but my question is really ->

How do I address the slosh inside the freewheel body?

Just wait for it so leak down spokes after some weeks of riding? Ugh.

Oh, I even tried holding the small body in front of a blower (outdoors). Traces of oil, but nadda.

Anyway, I humbly ask. . now what?

Thank you.


It's a 7 speed freewheel

I don't really want to open this up any further. . .
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Old 04-10-20, 10:53 AM
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Perhaps you are just hearing the bearings rolling around. Put it back together, install it and see if you are having any issues with actual function of how it is supposed to work. Not how you think it should work when used as not intended.

When you ride the bike, the only time anything inside the freewheel moves is when you coast.
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Old 04-10-20, 11:01 AM
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I do actually understand how a freewheel works. My question regards excessive lubricant.

Thank you.
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1959 Hilton Wrigley Connoisseur (my favorite!)
1963 Hetchins Mountain King
1971 Gitane Tour de France (original owner)
* 1971 Gitane Super Corsa (crashed)
* rebuilt as upright cruiser
1971 Gitane Super Corsa #2 (sweet replacement)
1980 Ritchey Road Touring (The Grail Bike)
1982 Tom Ritchey Everest
(replacing stolen 1981 TR Everest custom)
1982 Tom Ritchey McKinley (touring pickup truck)
1985 ALAN Record (Glued & Screwed. A gift.)
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Old 04-10-20, 11:13 AM
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If excessive lubricant is bad, then you've already ruined it. So put it on and see what it does.

It's very unlikely that any excessive lubricant will permanently destroy it. At most, it'll just work it's way out and drip on your rims and ruin your brake pads, or get little spots on your clothes.
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Old 04-10-20, 11:21 AM
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Maybe shoot some compressed air into the same holes you’ve been using to insert oil? Computer air if nothing else...
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Old 04-10-20, 11:28 AM
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I don't know a ton about Sachs freewheels, but I do know they're sealed, which is probably preventing the release of the WD-40.

Here is a thread that has a helpful view of another Sachs Aris disassembled by Pastor Bob: Sach Freewheel disassembly
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Old 04-10-20, 11:45 AM
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The red rubber seal at both ends should be removable. Pull them out carefully with a pair of needle nose pliers and let any excess oil or solvent drain out. Then relube with light or medium weight oil and reinsert the seals.
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Old 04-10-20, 11:47 AM
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I've taken a few of these apart... Mine have an oil injection port on the side of the body. Is this plugged? If it can be unplugged, then do so, and drain. WD40 is basically useless on any place on a bike, except for a freewheel flush as you are attempting here... Phil Tenacious makes a good replacement lube once you have any solvents drained. Compressed air: good idea.

No injection port?.. then you may want a complete disassemble - these freewheels are among the very few for this is worthwhile. 99% of the freewheels that pass through my hands at our local bike Co-op are disposable, but not Dura-Ace, Winner Pro, or these Sachs units.
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Old 04-10-20, 11:47 AM
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Shooting WD 40 into it probably dissolved any grease that was in there. If it's easy to open up I suggest you do that and add grease. If you don't want to or cannot open it up then just ride it as is.
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Old 04-10-20, 12:07 PM
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Some solid advice. Many thanks. There is a small side hole that has a tiny screw. I'd not opened it but will (once back from a ride).

Thanks, also to Noobinsf, for the link back to PastorBob. Much appreciated.

Gentlemen, all.

Thank you.
__________________
1959 Hilton Wrigley Connoisseur (my favorite!)
1963 Hetchins Mountain King
1971 Gitane Tour de France (original owner)
* 1971 Gitane Super Corsa (crashed)
* rebuilt as upright cruiser
1971 Gitane Super Corsa #2 (sweet replacement)
1980 Ritchey Road Touring (The Grail Bike)
1982 Tom Ritchey Everest
(replacing stolen 1981 TR Everest custom)
1982 Tom Ritchey McKinley (touring pickup truck)
1985 ALAN Record (Glued & Screwed. A gift.)
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