Replacing on a regular basis, add professional grease:　　Hammer/electric pick works up to 60 hours (depending on the specific situation should be used depending on the user), add 30 g grease within the cylinder replaced. Yahu.y. ye Hu adopt imported dedicated synthetic high temperature lubricant grea

1, should be carefully checked before use and determine whether they have the tools to use the conditions to prohibit tools to work sick.2, can not use in explosive areas. 3, according to the instructions in the use of tools, the proper use of tools.4, the operator labor wear range, should bring rub