r cielec wrote:
> 1) This is a recent acquisition and the first Huret rear mech I've
> owned so, I am not familiar with the service level of dis-assembly.
> 2) Pieces are not coming apart easily so, I do not wish to apply
> inappropriate force - not sure if the impediments are sediment
> accured over 32 years or lowest level of disassembly. 3) I do not
> know model; however, it is neither Jubilee nor Duopar. It appears to
> be the OEM for a 1974 Raleigh Super Course Mk II. Perhaps the model
> is "Challenger". [NB:One pulley is cog-type and the other is cogless
> roller-type.] 4) I am not certain how to service the pulleys.
> Puzzlement is caused by the pulley construction. 5) Each pulley has a
> metal hub with flats on both sides giving the appearance that
> wrenches could be used to separate the hub for servicing whatever is
> inside the hub, whether be bushing or ball bearings. Vis-a-vis:
> Campag C-Record pulleys. Question 1: Can the hubs be unscrwed from
> the pulleys for servicing?
Huret pulleys use ball bearings in a cup and cone arrangement; not the primitive sleeve bearings used by other manufacturers.
> 6) The cog-type pulley does not fall free of the outer cage plate
> after the fixing screw is removed. That is, the hub of the pulley
> appears press-fit or screwed into the outer cage plate. Question 2:
> Is the hub/pulley a non-serviceable press fit into the cage plate or,
> can a wrench be used on the flats of the hub to unscrew it from the
> cage plate? 7) Question 3: Does anyone have an appropriate Huret rear
> mech for sale in the event mine proves beyond service?
Do you have any pictures?
--
-John Thompson (john@os2.dhs.org)
Appleton WI USA