What kind of lubricating oil should be added to an electric hammer?
2 Answers
Generally, the most suitable lubricant for the cylinder of an electric hammer is high-speed, high-temperature-resistant grease. Both butter and engine oil have applicable varieties. Types: YP-20206 lubricating grease, Shell Gadus, YP-10 grease, and No. 85 high-temperature grease. Among these, YP-20206 lubricating grease is the best. There is no unified regulation for the oil added by electric hammer manufacturers, but the oil added in the oil cap is usually butter that can withstand temperatures around 300°C. High-temperature grease: High-temperature grease generally belongs to synthetic grease, containing high concentrations of PTFE (polytetrafluoroethylene) lubricating particles. It has strong high-temperature resistance and load-bearing capacity, making it suitable for high-temperature and heavy-duty equipment. This fluorine-based high-temperature grease is specifically designed for bearings in high-temperature, high-load, and chemically corrosive environments, as well as components requiring lifelong lubrication. It has excellent chemical inertness, durability, and low volatility. Applicable temperature range: -50°C to +280°C.
I often tinker in the garage and have been using a hammer drill for over ten years. When it comes to lubrication, I find the most crucial thing is to use specialized tool grease, such as lithium-based grease, because it can withstand high temperatures and prevent the tool from overheating and getting damaged. Ordinary motor oil should not be carelessly applied, as it can leak everywhere and even damage internal components. I personally check the oil holes or lubrication points of the hammer drill after each use and apply a small amount of grease; if there's no specialized oil available, high-temperature silicone grease can be used temporarily, but don't rely on it long-term. Don't forget that the tool's manual usually has maintenance recommendations—following them can extend the hammer drill's lifespan by several years and prevent jamming or excessive noise. An additional reminder: lubricate more frequently during the hot summer months, as the hammer drill can get very hot during operation.
