METHODS, MATERIALS AND APPARATUS FOR CLEANING AND INSPECTING GIRTH GEAR SETS

摘要

A one-step method of cleaning a girth gear set of a mill in preparation forinspection is provided,the method comprising: substantially emptying the mill; inching the gear;spraying a low, very lowor non-Volatile Organic Compound (VOC) cleaning formulation at high pressureonto the gear, thecleaning formulation comprising a non-VOC aliphatic hydrocarbon solvent, anextreme pressurelubricant, a fretting wear lubricant, a non-ionic surfactant, and a mixture ofnon-VOC unsaturatedfatty alcohols; and continuing to spray the low or very low VOC cleaningformulation on the gearfor sufficient time for the formulation to clean the gear, thereby providing aso cleaned gear.