Preparation work before starting the jaw crusher:
1. Carefully check whether the lubrication condition of the bearing is good or not, the roller sand making machine, (the machine leaves the factory with the test machine lubricating oil)
2. Carefully check whether all fasteners are securely fastened. 3. Whether the transmission belt is in good condition. When there is oil stains on the belt or pulley, clean it.
4. When crushing hard materials, the feed size should be less than 2/3 of the inlet width.