CHECKING THE PISTON ROD SEALS 检查活塞杆密封圈
After PTFE Glyd ring was used in piston seals of hydraulic cylinder of electro-hydraulic hammer, the gas pressure rose because oil entered into gas chamber.
电液锤液气缸活塞密封采用由PTFE制造的格莱圈密封，在使用中液压油会窜入气腔，导致气体压力升高。
The Green Series cylinder also combines our unique Miracalube piston design with our special ILCN seals.
绿色系列气压缸也结合了我们的特别活塞设计和密封设计。
Worn crankcase piston rod seals.
曲轴箱连杆密封件损坏。
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