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Re: spectrum HP 8558b good but missing part


 

This is a really common problem. Generally, the contacts fall off somewhere inside
the unit, but they may go missing. You can fabricate some from suitable shim stock.
Here's one person who did that:



It's a bit of a ways down. I'm not sure what the original material was (stainless? a
nickel alloy?) but given the age of the equipment and the use it will likely get, I don't
think it would matter a lot. I think some have made up contacts from a piece of stainless
steel feeler gauges (like you would use in auto repair).

good luck

On Tue, Sep 03, 2019 at 02:56:08PM -0700, johnlegros wrote:
hello , have a nice working spectrum 8558b with electron beam memory? , all is correct have checked , but the issue the time division switch does not work , in auto mode, , opened it and found a missing part in the switch , from the service manual sent with this spectrum analyser from new only 40 years ago part number is 5061-5425 pronger switch , it is the metal leaf part which is missing , checked and did not find it anywhere , so question is does anyone have or make these ? thanks





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Paul Amaranth, GCIH | Manchester MI, USA
Aurora Group of Michigan, LLC | Security, Systems & Software
paul@... | Unix & Windows

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