2nd, do not use a unstable, chlorinated solvent or solvent-form flushing compound to clean out the gearbox. Any solvent trapped from the voids of your reservoir will trigger corrosion. When picking out a equipment oil for a selected software, there are ways that the risk of failure might be reduced. https://gearbox-oil-treatment76429.liberty-blog.com/34272274/the-ultimate-guide-to-gearbox-oil-treatment