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CZ4A is most likely an amateur radio call sign (Canadian). Thanks, Barry - N4BUQ

Forgot : the caps you actually need to worry about are not the electrolytics (at least not at first), but rather all the paper caps, the black and red "Sprague" ones. You already have replaced the two

Hello anonymous ! :-) I guess "CZ4A" is not your real name ;-) Well I am hardly an expert with tube stuff, as I only have one of these beasts.... yes, a Tek 317 just like yours. Got it last summer,

Very good explanation Fabio. It’s as if I was there. Thanks Raymond C?té KD9CCZ Heaven goes by favor. If it went by merit, you would stay out and your dog would go in. -Mark Twain

Oilite is a registered tradename for a sintered bronze bearing material. Oilite bearings need to be precharged with oil. This is done by heating the bearing, and then placing it in a container of oil.

There's also sleeve bearings, which may or may not be lubricated (and likely ought to be). I think you do. Oilite is a sintered bronze, made up of tiny little welded together bronze spheres. As such,

Looks great. I'd like to know if anyone has experience fabricating the panels. I may be receiving a machine with missing panels and would want to re-create. Recommendations or suggestions welcome.

Hello Fabio, oilite is a sintered bronze bushing which is impregnated with oil while under vacuum. The sintered bronze is full of cavities. They are not un- common. Reoiling oilite will not last that

Hello Brasscat, What a world of experts and specialists this is. In my small world, I never thought there were different kinds of bronze bushings... To me, there was sintered bronze bearings, for

It is so darn close. It's very hard to tell. /g/TekScopes/photo/37195/4?p=Name,,,20,1,0,0

Hello the thread, question about these fans: Do these motors use plain sleeve bearings, do they use oil felts to supply oil? Or are they using oilite bearings?? Thanks, Stan KO6YB

I`m sure there will be plenty of opportunities Lop, Next question about this kind of fan is yours! Rgrds, Fabio

Bleh, I was afraid you'd say that! Two of the can caps look hard-to-access. They all look to be original, and even if one or more were replaced during the last calibration in '77 you are right that

You guys are awesome! Now that I know they are fixable That is my next goal. I just cleaned an old Dual turntable motor and it has the felt pads too. I added electric motor oil to them, the Zoom spout

This matches the way old Husqvarna sewing machines get. Cleaning with solvent such as kerosene, then applying Triflow lube is best for a good repair that lasts. Just adding Triflow can be enough in

Hello Lop, Apparently we will walk hand in hand with our two recently acquired 76xx scopes (mine is a 7623A). When I opened up mine, the very slow fan was the first thing I realized. Before I opened

Hi Lee, You are in luck. There is no reason to waste your time making a battery pack. This company makes a perfect duplicate of the original battery pack and they do not charge much for it. Anyone

The 7633 I just got running had a stiff fan that needed poking to get started. It was replaced with a fan from my other now parts scope. The the scope and fan are so clean it almost looks like the

All done! Total cost - 12,50 USD. :) I think the knob is good and all work fine. http://www.multizet.com/images_news/tek_577/1_IMG_3865.JPG http://www.multizet.com/images_news/tek_577/1_IMG_3866.JPG

Can you say again what mainframe and what plugins you are using? My 7603 manual does not have a part C1016, also 'Code 5 fail' sounds like an error code from a mainframe or plugin that has a built in