707-98-23890 7079823890 SERVICE KIT,BOOM CYLINDER OF PC27MR-3 PC27MR-2

1. Quick Details of  seal 707-98-23890:

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5. FAQ

Q: What compact construction machinery does part number 707‑98‑23890 serve for cylinder maintenance assignments?
A: Part number 707‑98‑23890 cylinder seal kit is purpose‑designed for mini excavator swing cylinder assembly maintenance and complete overhaul service.

Q: What sealing function can part number 707‑98‑23890 achieve for swing cylinder hydraulic circuit?
A: Part number 707‑98‑23890 cylinder seal kit sustains steady hydraulic pressure during upper body left‑right swing rotation, cuts down internal leakage under uneven ground working load, and blocks fine construction sand and muddy splashes from entering cylinder cavity to protect internal sliding matching surfaces.

Q: What raw materials are adopted for this swing cylinder seal kit?
A: Dynamic rod seals adopt flexible tear‑resistant PU polyurethane, static sealing O‑rings use heat‑resistant FKM fluoro‑rubber, and PTFE low‑noise backup rings buffer lateral torque force and prevent seal extrusion under cyclic pressure variation.

Q: What visual color traits do these sealing spare parts possess?
A: PU sealing elements are glossy deep black, FKM rubber fittings are dark brown‑black, PTFE low‑noise backup rings are light ivory‑white.

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.

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