Chuck, if one of the three 3/32 inch* socket head screws is tighter than the
others,
it will cause a bind like that. Also, a little focus mount grade grease
will smooth the operation. I use wheel bearing grease (sparingly).
*I'm sure they are metric screws, but asa was all I had here at the desk.
On Fri, Sep 3, 2010 at 8:48 AM, Chuck Norcutt <chucknorcutt@xxxxxxxxxxxxxxxx
> wrote:
> Speaking of 3047 3-way heads. Mine has always had a herky-jerky motion
> in its up/down tilt motion. Normally not a problem but in certain
> positions it tends to sieze up and requires more than normal force to
> get beyond the sticking point which, in turn, means overshooting the
> desired set point.
>
> Anybody know how to deal with that?
>
> Chuck Norcutt
>
>
> Ken Norton wrote:
> > Just let me know if you need parts. I have several junk bin 3047 3-way
> heads.
> >
> > ken
> > www.zone-10.com
> >
> > On Friday, September 3, 2010, Brian Swale <bj@xxxxxxxxxxxxxxx> wrote:
> >> Has anyone here done maintenance on a Bogen/Manfrotto 3047 3-way
> >> head?
> >>
> >> I have one that I've been using for at least 20 years, and one aspect of
> its
> >> behaviour is starting to be irritating.
> >>
> >> The adjuster that controls left-right tilt has got built-in slop. No
> matter how
> >> tight the clamp screw is twisted, it will still flop one way or the
> other, usually
> >> at an inconvenient moment.
> >>
> >> At the forward end of the shaft for this adjustor is an aluminium plate
> with
> >> the logo etc and a compass rose going from -30 to + 90 degrees.
> >>
> >> Since there is no possible way in from the side facing the camera, I
> suspect
> >> that I need to take this aluminium plate off (faces the photo subject)
> to
> >> investigate and find out the cause of the sloppy behaviour.
> >>
> >> Probably it should be removed with a sharp knife or a wood chisel.
> >>
> >> Is this the way to do it, and will this facing plate come out unscathed?
> >>
> >> All & any advice gratefully received.
> >>
> >> Brian Swale.
> >> --
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> >>
> >
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