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Author
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Topic: Bolex 18-5 (1962) un-gunk gearing and re-lube
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Scott Gabriel
Junior
Posts: 19
From: Cape Cod, MA, USA
Registered: Jan 2016
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posted January 28, 2016 06:55 PM
Hi Michael,
I'm new here too. And just performed this task on my new 18-5 , also built in 1962. I'll preface what I say by mentioning I'm certainly no expert. But I got some good help from a couple of good folks here. I also got a "repair" manual from a member here who was nice enough to make me a copy of his. It's cool to have. But it will be of little to no help here. Only shows exploded views. But no repair steps.
That said, I think you would be unwise to disassemble any of the gear train just to clean out the old grease and re- lube. As I was informed, it could mess up the timing of the shutter and claw and then you'd be in real trouble.
Just clean off as much of the old grease from the visable gears as best you can with long, non- shedding swabs, and re- grease lightly. A drop of light machine oil at every point where you can see a shaft riding in a bushing, etc.
With a slow speed upon using reverse and my guess is that you need new rubber belts, three from the motor shaft pulley to the shutter 3 step pulley. They're probably stretched. I got mine from a guy on ebay with the handle Optech1 , and they are supposed to be OEM. Fit perfectly, and for twelve bucks, a good investment. In fact, I would start with new belts. I'll wager that is the problem.
Good luck
P.s. I'm on my Ipad now and don't know how to link to it but, if interested, look up my thread on changing belts on one of these. I had a heckuva time on my standard machine, like yours, and my thread outlines what I had to do to solve it, FWIW. But then, I acquired a later Automatic version and changing the belts on it was a cinch. Much more clearance to squeeze the belts between the shutter pulley and the rear chassis.
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