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marksl

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Reply with quote  #1 
Has anyone used a cleaning solvent or chemical cleaner when draining and flushing industrial gearbox oil? We have a client in a iron ore harbour facility and previous inspections of the gearbox internals showed "staining" of the oil, gears, bearings and internal casing by the iron ore dust. Previously we used kidney loop filtration of clean oil (but no flushing) and the cleanliness results were disappointing.

Standard breathers have been replaced with Desiccant breathers to try and help prevent the ingress of dust, but it is so fine and floats in the atmosphere inside the sheds.

I'm looking at a product from Kluber Lubrication called Varnasolv which I've seen mentioned in other forums, however the brochures say it removes varnish and carbon deposits no mention of other contaminants.


Has anyone used this product or something similar. IMG_0001.jpg   

Sinski

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Reply with quote  #2 
Quote:
Originally Posted by marksl
Has anyone used a cleaning solvent or chemical cleaner when draining and flushing industrial gearbox oil? We have a client in a iron ore harbour facility and previous inspections of the gearbox internals showed "staining" of the oil, gears, bearings and internal casing by the iron ore dust. Previously we used kidney loop filtration of clean oil (but no flushing) and the cleanliness results were disappointing.

Standard breathers have been replaced with Desiccant breathers to try and help prevent the ingress of dust, but it is so fine and floats in the atmosphere inside the sheds.

I'm looking at a product from Kluber Lubrication called Varnasolv which I've seen mentioned in other forums, however the brochures say it removes varnish and carbon deposits no mention of other contaminants.


Has anyone used this product or something similar. IMG_0001.jpg   


I have not used something like that but just out of curiosity what were the ratings of the filters used on the kidney loop?
marksl

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Reply with quote  #3 
10 micron
Sinski

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Reply with quote  #4 
It might be worth trying 3 micron filters. On our filter carts we use 2 filters with one being 10 micron water removal element and the other a 3 micron element for fine particle removal. Not sure what micron the iron ore dust will be but it might be worth trialing and seeing if your sample results improve. 
marksl

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Reply with quote  #5 
Has anyone tried power flushing an industrial gearbox. Our customer is not keen to run his facility for 24-48 hours with no load which is required for the Kluber Varnasolv solvent cleaner.
JSparks

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Reply with quote  #6 
We actually use mineral oil to flush our gearboxes. After draining we run the the unit with mineral oil for about a minute. Then drain and replace with normal oil or flush a second time if needed with clean mineral oil. It has been working well for us.

Noknroll

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Reply with quote  #7 
In the pilbara, also an iron ore environment we used a kidney loop but also dropped some oil out and replenished with fresh for several drop and top up cycles until twice the capacity had been replaced and no need to stop production. Oil samples came back acceptable after this.
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