Starter Motor Lube
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Starter Motor Lube
While cleaning the positive cable I decided to pull the starter motor for inspection. Bench testing showed that it had bad noises when running.
The planet gears are bone dry as is the end cap bearing. I am thinking of using 30 W ND oil for the end cap. Not sure what grease to use on the gears because the ring gear is plastic and some greases can damage plastic. Should grease or oil be used on the needle bearings in the small gears?
I am replacing the brush assembly since it is disassembled.
The planet gears are bone dry as is the end cap bearing. I am thinking of using 30 W ND oil for the end cap. Not sure what grease to use on the gears because the ring gear is plastic and some greases can damage plastic. Should grease or oil be used on the needle bearings in the small gears?
I am replacing the brush assembly since it is disassembled.
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No grease? It needs something. What is electronic lube? You mean a graphite based "Dry Lube" ? That may be what I was seeing. I thought it was dried grease. Solvents would not cut it well. I had to wire brush it to remove it. Grease normally cuts well with gasoline and lacquer thinner. I can't see dry lube working on the tiny needle bearings in the planet gears. Anyway it is too late. I found some grease that is safe for plastics. It is on the planetary gear assembly including the needle bearings. I used Lucas Red "N" Tacky other places.
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When I have to guess I use silicone grease. I don't know enough about it to say it is right but I haven't seen it hurt anything yet. Caliper grease, dielectric grease and high pressure oring grease are all applications I have seen. I think some edible grease may also be silicone grease.
I am sure there are situations where it is not good but so far when I didn't use it I end up wishing I had.
CV joint grease is another favorite if I have to guess.
I am sure there are situations where it is not good but so far when I didn't use it I end up wishing I had.
CV joint grease is another favorite if I have to guess.
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Silicone Grease is not a good lubricant for most things. It should be used only sliding rubber joints like spark plug boots and water tight connectors. It can also be used for sealing electrical connectors and light bulbs. It is not a good choice for dynamic metal to metal contact.
Food Grade lubricants are not really edible. It means that incidental contact or ingestion is not harmful.
My favorite general purpose grease is Super Lube. Favorite spray lube is Tri-Flow.
Food Grade lubricants are not really edible. It means that incidental contact or ingestion is not harmful.
My favorite general purpose grease is Super Lube. Favorite spray lube is Tri-Flow.
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From: Albuquerque
don't put anything on the shaft where the Bendix slides. you will end up with a starter that wont engage when it gets cold. sometimes all the time.
small amount of grease in the bearing and bushing is ok.
small amount of grease in the bearing and bushing is ok.
Last edited by Redark1; Jul 7, 2017 at 07:47 AM. Reason: add on
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Silicone Grease is not a good lubricant for most things. It should be used only sliding rubber joints like spark plug boots and water tight connectors. It can also be used for sealing electrical connectors and light bulbs. It is not a good choice for dynamic metal to metal contact.
Food Grade lubricants are not really edible. It means that incidental contact or ingestion is not harmful.
My favorite general purpose grease is Super Lube. Favorite spray lube is Tri-Flow.
Food Grade lubricants are not really edible. It means that incidental contact or ingestion is not harmful.
My favorite general purpose grease is Super Lube. Favorite spray lube is Tri-Flow.
Any idea what edible grease is based on? Silicone?
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I have an old mower (garden tractor) that requires lubrication on the spiral worm gear looking shaft that the starter drive slides on. I use graphite spray but don't remember if that is what the factory stuff is. Every couple years it quits working and needs a shot of lube.
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Years past grease was gear oil with a carrier that was basically mud. When it dried out it looked like dirt.
I wonder about modern grease and if it is mostly synthetic and works without the carrier. I would like grease that didn't turn to dirt.
I wonder about modern grease and if it is mostly synthetic and works without the carrier. I would like grease that didn't turn to dirt.
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There was a research scientist at work who specialized in silicone for many years. He adamantly proclaimed that silicone is not a lubricant.
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Now you tell me.
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