Roller Inductor Grease

Considering theres lots i havent been exposed to maybe this was sop nowadays. If you think grease is somehow conductive try sticking the leads from an ohm meter in a blob of grease or a puddle of oil measure its electrical value and get back to me with your results.

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Instruction

At 500 Antenna Tuner

Replace every 6 months.

Roller inductor grease. Ive cleaned up a few old roller inductors. It made my roller inductor intermittent as it was turned just like w8ji tried to tell me it would. Cleaning use either de oxit or alcohol.

You will note the mechanical resistance will be eliminated along with any strange squeaking sounds. Dont use that dark gray molybdenum disulphide grease. Whatever you use never use silicone dielectric grease compound.

Northern colorado amateur radio operator tyler stampfli ka0ka shows how to apply a silicone graphite lubrication to the palstar at4k and at5k series antenna tuners to keep both mechanical and. There seems to be lots of questions about cleaning and lubing a roller inductor. Ordinary vaseline if the inductor does not get too hot from skin effect.

For lubricating i contacted palstarthey kindly sent me some of their grease for my at2k and their grease formula. Ive got several nice edge wound roller inductors but never saw any of them with anything greasy on them. The problem you are experiencing is a grey or blackish carbon like dirt that accumulates on the moving mechanical components of the roller inductor coil over time.

I never tried lithium grease as some have suggested above. But i can testify that the s shield clear oil made by deoxit works. I washed them with dish soap to remove all the built up oil and crap people had put on it and dried them in an oven around 224 f which wasnt hot enough to hurt anything and got them totally dry.

The vaseline is a hydrocarbon and cleans off surface films and debris. Amps conductive grease for roller inductor i wouldnt use anything on the actual coil if it is wound on a form. It worked for me may not be the best method in the world.

Id avoid grease if possible. It is a throwaway item once the plating is worn off the wire andor wheel. Monday november 26 2012 455 pm subject.

How to cleanlubricate old variable caps and especially roller inductor. Once you have cleaned the roller inductor coil nice and shiny again give it a hard spin from one end to the other a few times. I have done this roller inductor coil maintenance dozens of times with the same positive results.

December 18 2016 011939 am i recently got a good deal on a very old differential t antenna tuner and visually its in fine shape but electrically the bearings are dirty. Considering how rf shows different effects than low voltage i was concerned.

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