707-99-43170 7079943170 SERVICE KIT OF HM400-2R HM400-1

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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: Is professional guidance required for installing these seal components?
A: It is better finished by skilled mechanics. Clean the cylinder inner wall and rod surface thoroughly before new seal installation.

Q: What storage suggestions do you have for unopened seal kits?
A: Keep in cool and shaded warehouse, avoid squeezing, folding seals and long‑time exposure under direct sunlight.

Q: Can old sealing rings be reused after being taken out from cylinder?
A: Reuse is not recommended. Seals will lose original pre‑tension once removed, which will bring risk of internal leakage later.

Q: What phenomenon indicates that the steering cylinder needs new seal replacement?
A: Slow response during steering movement and obvious hydraulic oil oozing at cylinder rod position show seal aging and wear.

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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