803416559 XCMG GR2605 motor grader hose assembly

803416559 XCMG GR2605 motor grader hose assembly

803416559 is the original hydraulic hose assembly for the XCMG GR2605 grader. It’s used for flexible oil circuit connections between various core components of the hydraulic system, absorbing vibration, compensating for installation deviations, providing pressure resistance and sealing, and offering strong adaptability to various working conditions.

Core Functions and Roles

Flexibly connects hydraulic pumps, valve groups, cylinders, and other components, transmitting high-pressure oil for power transmission; Absorbs vibration and component displacement during equipment operation, preventing rigid pipe breakage and loose joint leakage; Compensates for installation errors and dimensional changes caused by thermal expansion and contraction, simplifying pipeline layout; A multi-layer composite structure achieves long-term sealing, preventing oil leakage and the intrusion of external impurities/moisture.

Key Technical Parameters

Model: 803416559
Name: Hose Assembly (Hydraulic Hose Assembly)
Compatible Model: XCMG GR2605 Grader
Material: Oil-resistant synthetic rubber inner core + high-strength steel wire reinforcement layer + wear-resistant and weather-resistant outer layer, with original factory standard hydraulic connectors at both ends
Features: Original factory precise dimensions, secure crimping, high pressure and pulse resistance, anti-aging, good low-temperature flexibility

Replacement and Maintenance Points

When replacing, only use the same model original assembly. Do not use non-standard hoses/connectors as substitutes.
Clean the connectors before installation to prevent impurities from entering the oil circuit. Leave a reasonable length during installation to avoid excessive bending or stretching.
Replace the seals simultaneously and tighten the connectors to the specified torque.
Regularly inspect and install protective sleeves at high-temperature, oil-contaminated, and friction points to extend service life.

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