707-99-42170 7079942170 Seal Kit, Steering Cylinder of HM400-5E0 HM400-3R

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5. FAQ

Q: What kind of hydraulic pressure can these sealing components withstand steadily?
A: It can adapt to frequent pressure changes under normal construction working conditions.

Q: What different colors will I find inside this repair kit?
A: Rubber O‑rings are black, PU main seals are ivory white, PTFE components are milky white and wear bands are light tan.

Q: Which cylinder does this seal set serve for the machine?
A: It is made for the steering hydraulic cylinder, responsible for sealing high‑pressure oil during frequent steering movements of off‑road hauling equipment.

Q: What working pressure can these sealing assemblies endure?
A: It can handle high working pressure, fit for continuous steering operations under rough mine and quarry working conditions.

Q: Does this kit include every sealing component for one full cylinder overhaul?
A: Yes, wiper seals, rod seals, piston seals, backup rings and matched O‑rings are all contained within one complete kit.

Q: Can the sealing combination stop internal leakage and external oil seepage effectively?
A: Multi-stage sealing structure greatly reduces the risk of hydraulic oil leakage.

Q: Can this product prevent hydraulic oil leakage effectively?
A: The precise size design effectively reduces internal leakage and external oil seepage.

Q: What construction scenarios often require this arm cylinder seal kit for regular maintenance?
A: It is widely used for maintaining mini excavators working on villa foundation projects, landscape engineering, pipeline trenching and rural road reconstruction.

6. Exhibition and Wearhous

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