I. Product Overview
• 708-1S-00460: Typically the hydraulic pump assembly for the Komatsu D65EX bulldozer, serving as the core component of the hydraulic system. It provides hydraulic power to drive various actuators (e.g., blade, tracks).
• 708-7S-00352: Typically the fan motor for the Komatsu D65EX bulldozer, a critical part of the cooling system. It drives the fan to dissipate heat from the engine and hydraulic system, ensuring operation within normal temperature ranges.
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II. Product Features
1. 708-1S-00460 Hydraulic Pump
• High Efficiency: Advanced hydraulic design ensures stable and powerful hydraulic output.
• Durability: Key components are heat-treated for wear and fatigue resistance, extending service life.
• Easy Maintenance: Modular design simplifies component replacement and upkeep.
2. 708-7S-00352 Fan Motor
• Effective Cooling: Efficiently drives the fan to maintain optimal operating temperatures for the engine and hydraulic system under high loads.
• Stable Operation: Constructed from high-quality materials for consistent performance during prolonged use.
• Low Noise: Optimized design reduces operational noise, enhancing operator comfort.
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III. Applications
• 708-1S-00460 Hydraulic Pump:
• Widely used in the hydraulic system of the Komatsu D65EX bulldozer to power blade lifting, track movement, and other functions.
• 708-7S-00352 Fan Motor:
• Primarily employed in the cooling system of the Komatsu D65EX bulldozer to prevent overheating during extended high-load operations.
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IV. Selection & Replacement
Selection Considerations
• Verify compatibility with the equipment model and hydraulic pump/fan motor specifications.
• Purchase genuine parts from authorized suppliers to ensure quality and after-sales support.
Replacement Steps (Hydraulic Pump Example)
1. Power Off & Pressure Release:
• Shut down the equipment and relieve hydraulic system pressure.
2. Disassembly:
• Remove the old hydraulic pump, associated hoses, and mounting hardware.
3. Installation:
• Mount the new hydraulic pump and reconnect hoses and hardware.
4. Fluid Refill & Air Bleeding:
• Add hydraulic fluid and purge air from the system.
5. Testing:
• Start the equipment and conduct a trial run to verify proper hydraulic pump operation.
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V. Maintenance & Care
1. 708-1S-00460 Hydraulic Pump
• Fluid Inspection:
• Regularly check hydraulic fluid level and quality; replace degraded or contaminated fluid promptly.
• Filter Maintenance:
• Clean or replace hydraulic oil filters to maintain system cleanliness.
• Seal Inspection:
• Check for worn or damaged seals and replace them to ensure leak-free operation.
2. 708-7S-00352 Fan Motor
• Blade Inspection:
• Periodically inspect fan blades for damage or deformation; replace as needed for optimal cooling.
• Cleaning:
• Remove dust and debris from the fan motor surface to preserve cooling efficiency.
• Bearing Check:
• Inspect bearings for wear or looseness; tighten or replace them to ensure stable operation.
