On Wed, 26 Nov 2008 19:49:37 -0600, John J wrote:

First, remove it and clean the bearing surfaces.


I assume, then, that you mean by removing the four visible screws?
The removal method was the essence of my question.

DO NOT USE graphite lube because it has a tendency to invade everything
to make your life miserable!


Excellent point, thanks for the reminder.

To reply by email please delete the obvious FOOD item in
my posting address.

If you do not come back here, then you are not participating.


I didn't say I wouldn't come back, but in my Usenet experience
since the early 1990s, some people prefer to reply privately, or
to send email in addition to posting. An email sent is not an email
received, ditto for Usenet posts. Redundancy improves reliability.

Take your unit apart. Clean it with a toothbrush and mild abrasive such
as baking soda.

Then come on back.