[optimal] Re: Haag-Streit PBQ-900
- From: Marshall E Tyler <marshalletyler@xxxxxxxxx>
- To: "optimal@xxxxxxxxxxxxx" <optimal@xxxxxxxxxxxxx>
- Date: Thu, 19 Dec 2013 08:12:24 -0500
Glad it going again!
Have a fine holiday.
Marshall T
> On Dec 19, 2013, at 12:51 AM, Angela Chappell
> <angela.chappell@xxxxxxxxxxxxxxx> wrote:
>
> Marshall and interested parties,
>
> You wouldn't believe how close you were with your solution!
> There is a bearing in between the 2 shutters which the technician cleaned
> and lubricated with WD-40. His technical info didn't state which number
> H-S lubricant to use for this particular moving part, so he is going to
> check with Switzerland. Thankfully everything is hunky dory again and
> maybe it won't seize up again for another 20 years. This is a lovely
> machine!
>
> Kind regards
> Angela
>
>
>> ------------------------------
>>
>> Date: Thu, 12 Dec 2013 09:10:23 -0500
>> Subject: [optimal] Re: Haag-Streit PBQ-900
>> From: Marshall Tyler <marshalletyler@xxxxxxxxx>
>>
>> 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
>
> --
> Angela Chappell
> Ophthalmic Photographer
> Flinders Medical Centre
> Bedford Park SA 5042
> Ph 08 82044775
> Angela.Chappell@xxxxxxxxxxxxxxx
>
>
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