A Cycling & bikes forum. CycleBanter.com

Go Back   Home » CycleBanter.com forum » rec.bicycles » Techniques
Site Map Home Register Authors List Search Today's Posts Mark Forums Read Web Partners

Shimano 3CC hub adjustment?



 
 
Thread Tools Display Modes
Prev Previous Post   Next Post Next
  #1  
Old September 18th 18, 06:03 PM posted to rec.bicycles.tech
Frank Krygowski[_4_]
external usenet poster
 
Posts: 10,538
Default Shimano 3CC hub adjustment?

I'm finishing up the build of a sweet kids bike, including a NOS Shimano
3CC coaster brake hub of unknown vintage. (Thanks again to Andrew as the
source of the appropriate but rare shifter.) The bike is a very
lightweight and pretty little antique. It also has hand brakes.

The bike is in my workstand and ready to go, but I have one worry. When
turning the cranks, there seems to be excess resistance. It's not the
bottom bracket, because I overhauled that, plus the cranks feel very
free during the forward or backward motion until the drive or the brake
engage. It doesn't affect coasting; the rear wheel seems to spin very
freely, so the coaster brake is not dragging. The friction seems to be
in the drive motion itself.

(About five and ten years ago, I resurrected two other bikes with
Shimano three speed hubs and don't remember feeling this resistance. But
that was long ago.)

I've added lubricating oil via the axle's pushrod hole, but so far I
perceive no difference. I'm (understandably?) reluctant to disassemble
the hub, not only because I'd like to deliver the bike in three days. Is
there a reasonable chance it will "wear in" and loosen up? Should I
consider a solvent flush and adding oil? Or I wonder if there's a
bearing adjustment that applies to the drive mechanism, separate from
the main wheel bearings?

I've gazed at the Shimano hub manual available at Sheldon's site
https://www.sheldonbrown.com/sutherl...-5-shimano.pdf
but at least so far, I don't recognize a solution there.

Any tips?

--
- Frank Krygowski
 




Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

vB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Forum Jump

Similar Threads
Thread Thread Starter Forum Replies Last Post
Shimano LeTech Front Der: Adjustment? (PeteCresswell) Techniques 5 October 3rd 09 09:20 PM
Shimano DuraAce 7700 Shifter Reach Adjustment raelwelcome[_2_] Techniques 9 April 25th 07 03:41 PM
Shimano LX B-Tension Adjustment: Need Heavier Spring? HKEK Techniques 4 October 28th 04 02:19 AM
Shimano read derailleur SIS adjustment? Marty Techniques 6 September 8th 04 04:33 PM
B-Tension adjustment on Shimano derailer doesn't change angle DiabloScott Techniques 4 September 11th 03 03:16 PM


All times are GMT +1. The time now is 11:15 AM.


Powered by vBulletin® Version 3.6.4
Copyright ©2000 - 2024, Jelsoft Enterprises Ltd.
Copyright ©2004-2024 CycleBanter.com.
The comments are property of their posters.