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1. before work, we must check whether the operating agencies are normal or not. Wipe the rocker guideway with fine cotton yarn and fill the oil according to the grade of the lubricating oil.
2. the parts of the rocker arm and the headstock are locked before they can be operated.
There shall be no obstacles in the range of 3. rocker revolving.
4. before drilling, the worktable, workpiece, jig and cutting tool of drilling machine must be fixed and fastened.
5. correct selection of spindle speed and feed quantity should not be used for overload.
6. go beyond the worktable for drilling, and the workpiece must be stable.
7. when the machine is running and automatically feeding, it is not allowed to change the speed of fastening. If the speed change can only stop the spindle completely, it can be carried out.
8. loading and unloading tools and measuring workpieces must be carried out during shutdown. No hand drilling is allowed and no gloves should be used.
9. abnormal noise is found in the work. It must be stopped immediately to check the trouble shooting.