1、检查配重块链条磨损情况，并添加油脂润滑链条。

   2、清洗注油器及过滤器的吸油滤网。

   3、关掉电源后，用吸尘器清理电气箱内的灰尘。

   4、检查电气箱内各触点、接头、插座、开关是否有松脱或烧焦情形，如有问题，应及时更换。

   5、检查刀库凸轮及连杆轴承，并添加油脂润滑。(机器带有此配置时保养项目)。

   6、检查各轴导轨面或滑块的刮屑片效果是否良好。

   7、检查机器上之指示铭牌与警告铭牌是否清晰存在。

IV. Quarterly Maintenance

   1, check the weight block chain wear, and add grease lubrication chain.

   2, clean the oil filler and filter of the oil absorption filter.

   3，After turning off the power, clean the dust in the electrical box with a vacuum cleaner.

   4, check the electrical box of the contacts, connectors, sockets, switches are loose or burned, if there is a problem,It should be replaced in time.

    5, check the tool library cam and connecting rod bearing, and add  grease lubrication. (The machine has this configuration when the  maintenance project).

   6, check the axis guide surface or slider scraping chip effect is good.

   7, check the machine on the indicator nameplate and warning nameplate is clearly present.