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Author Topic: Restoring NOS Projector Bulbs
James Romero
Film Handler

Posts: 81
From: Valencia, CA, USA
Registered: Aug 2010


 - posted December 16, 2017 12:33 AM      Profile for James Romero   Email James Romero   Send New Private Message       Edit/Delete Post 
Have any of you encountered having an old bulb that was stored for a long time where the pins have tarnished and/or have slight corrosion where they don't light up in your projector? I'm talking NOS 'Brand New' Bulbs here. I've solved the problem by replacing with a newly manufactured bulb...but I hate to throw out a perfectly good lamp if I can somehow make it work. Is there a technique or cleaning procedure to use to restore the pins so they make contact properly again?

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Maurice Leakey
Film God

Posts: 5895
From: Bristol. United Kingdom
Registered: Oct 2007


 - posted December 16, 2017 02:07 AM      Profile for Maurice Leakey   Email Maurice Leakey   Send New Private Message       Edit/Delete Post 
Use some very fine wet & dry emery cloth. Support each pin from its rear as you apply very gentle pressure with the wet and dry.
I suggest cutting the wet & dry into a small piece to be easily handled.

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Maurice

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Terry Sills
Phenomenal Film Handler

Posts: 1423
From: Weymouth,Dorset,England
Registered: Oct 2012


 - posted December 16, 2017 02:17 AM      Profile for Terry Sills     Send New Private Message       Edit/Delete Post 
This is a common problem. I use a craft knife to scrape the oxidisation from the pins. Very effective and easier than using emery paper/wet & dry. The advantage is that you can see when you get down to the metal of the pins.

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