6P-7985 plastic seal ring for CAT bulldozer spare part

6P-7985 plastic seal ring for CAT bulldozer spare part Featured Image
  • 6P-7985 plastic seal ring for CAT bulldozer spare part
  • 6P-7985 plastic seal ring for CAT bulldozer spare part

Short Description:

Plastic seal ring for Caterpillar 517, 589 pipelayer, 613C motor grader, 960F/966 wheel loader hydraulic drive system, prevents hydraulic oil leakage and keeps contaminants out.

Product Detail

Product Tags

description

Plastic seal ring is static and dynamic sealing part for hydraulic and drive assembly. It fits tightly into seal groove by elasticity, isolates hydraulic oil and gear oil to avoid leakage, and blocks sand and dust from entering precision mating surfaces. Aging, cracking, notch and extrusion deformation of seal ring will lead to oil seepage, unstable oil pressure and abnormal wear of components.

Part No.:6P-7985
Type: Plastic seal ring (split seal ring)
Material: Engineering plastic
Structure: Split circular ring
Sealing Medium: Hydraulic oil /gear oil
Working Condition: Medium pressure, drive cavity sealing
Matching System: Transmission, final drive, hydraulic system

Application Scenarios

Fits Caterpillar 517, 589 pipelayer, 613C motor grader, 960F, 966 series wheel loader, widely used for sealing groove of transmission, final drive, hydraulic pump and valve assembly.

FAQ 

Q：Can I keep using it temporarily if the seal ring cracks?
A：Not recommended. Crack will cause rapid oil leakage and pressure drop, which may damage internal gears and bearings.

Q：Which direction should the split gap face during installation?
A：Keep the gap away from high-pressure oil impact, follow official assembly drawing, do not face oil inlet.

Q：Can ordinary O-ring replace this plastic seal ring?
A：No. They differ in structure, pressure resistance and wear resistance, replacement will lead to early failure.

Q：Why does the seal ring get crushed quickly after installation?
A：Excessive groove clearance, overpressure and insufficient chamfer /burrs on groove are the main causes.

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