2nd, usually do not make use of a unstable, chlorinated solvent or solvent-kind flushing compound to scrub out the gearbox. Any solvent trapped in the voids from the reservoir will lead to corrosion. Eighth, when dealing with enclosed gearboxes or oiling units that don't have a drain or circulating technique, https://deansdjot.aboutyoublog.com/38067477/the-fact-about-gearbox-oil-treatment-that-no-one-is-suggesting