To ensure that the tempering furnace body can rise and fall smoothly, after each rise and fall of the upper furnace body of the tempering furnace, an appropriate amount of no.46 oil should be injected from the top of the column of the tempering furnace to the trapezoidal screw in the column for lubrication;
Bevel gear transmission mechanism of tempered furnace body: apply lithium base grease once every quarter;
The lifting reducer on the top of the tempering furnace: the lubricating oil level should be kept in the middle of the reducer oil window. The lubricating oil of the reducer should be replaced once a year. It is recommended to use no. 30 or no. 40 oil;