When you have finished using the axe, please replace it.
当你用完斧子后，请放回原处。
If you find any ball bearings wrong, please replace it with new ball bearing. Higher grade ABEC ball bearings do little, and normal grade is enough.
如果你发现有任何轴承坏了，请重新换上好的轴承，最好是用高等级的ABEC轴承，一般等级的轴承也足够了。
After about 500 hours' operation, please check the main bearing. If it is necessary, please clean and add proper amount of grease or replace it with a new one.
本机器运行累计500小时左右时，请检查主轴承，必要时清洗，加入适量的润滑脂或更换。
Remember that it is important, if you have questions about helmets, doubt the safety and reliability, please replace soon, please always check your helmet.
记住非常重要的一点，如果你对头盔有疑问，怀疑其安全和可靠性，请立即更换，请经常检查您的头盔。
If your product is still within the standard warranty, please contact HP in your region and HP will repair or replace it using the regional processes.
如果您的产品依然在标准保修期内，请联系您所在区域的HP支持部门，HP会按照常规的流程进行维修或更换。
If your product is still within the standard warranty, please contact HP in your region and HP will repair or replace it using the regional processes.
如果您的产品依然在标准保修期内，请联系您所在区域的HP支持部门，HP会按照常规的流程进行维修或更换。
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