[optimal] Re: Haag-Streit PBQ-900
- From: Marshall Tyler <marshalletyler@xxxxxxxxx>
- To: "optimal@xxxxxxxxxxxxx" <optimal@xxxxxxxxxxxxx>
- Date: Thu, 12 Dec 2013 09:10:23 -0500
Think dried out lubrication. If there is a hot viewing lamp nearby, make
sure that it is turned down when not in use... the heat tends to dry out
lubrication.
I use WD-40 to clean out old oil/grease, and then re-lubricate it with the
proper oil.
Let us know what the H-S tech finds.
Good luck,
*Marshall*
Marshall E Tyler
sv *Silk*
On Thu, Dec 12, 2013 at 6:43 AM, Angela Chappell <
angela.chappell@xxxxxxxxxxxxxxx> wrote:
> My trusty H-S photoslitlamp, which has hardly skipped a beat in the 20
> years I've been using it, has had a severe aperture malfunction. It began
> with getting the odd blown out frame, caused by the aperture not shutting
> down, and progressed to it happening on most frames. Have had to limp along
> with it until it gets repaired, using the aperture preview to manually
> operate the aperture, and now it is so stiff it's almost seized up.
>
> Before the technician comes tomorrow to completely strip it down, has
> anyone got any advice on what to look for? Are there any bearings in there,
> or something which can be lubricated, or might it be the solenoid which is
> the problem?
>
> Thanks, Angela
>
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