UnlockD wrote:My boss has a commercial Master padlock no. 3, and the keyway is full of grease. The core is non removable, anyways to clean out the grease (Interfering with key that opens it) without damaging it internally?
!!!WHITE SPIRIT!!!
Trust me, it works, it's cheap, it can be found any hardware store. Soak for 20 minutes then agitate for 5 and it will bring the inside of the lock brand new! You will have to wait for the excess to evaporate & regrease the lock accordingly.