Product Overview

Our range of Hydraulic Pumps Cartridge Kits, including models 7J0566, 7J0568, 7J0569, 7J0570, 7J0571, 7J0572, 7J0573, 7J0574, 7J0575, 7J0576, 7J0577, 7J0578, 7J0579, 7J0580, and 7J0581, are engineered to deliver superior performance and unmatched reliability in diverse hydraulic systems. These kits are critical components designed for easy replacement and maintenance, ensuring the optimal efficiency and extended lifespan of your hydraulic pumps. Featuring robust construction and advanced sealing technology, our cartridge kits provide consistent flow, reduce internal leakage, and operate smoothly under demanding conditions.

Key Features and Parameters

• High Volumetric Efficiency: Minimizes energy wastage, ensuring optimal power transmission.
• Durability & Robust Construction: Manufactured with high-quality materials to withstand harsh industrial environments and strenuous operating conditions.
• Low Noise & Smooth Operation: Engineered for quiet performance, ideal for sensitive applications.
• Modular Design: Facilitates easy interchangeability and quick repairs, reducing downtime and operational costs.
• Advanced Sealing Technology: Reduces internal leakage and enhances system efficiency.
• Versatility: Compatible with various hydraulic fluids and suitable for both fixed and variable displacement applications.
• Extended Lifetime: Designed for long service life, maintaining stable performance over time.

Typical Operating Parameters:

• Max. Pressure: Up to 210-400 bar (depending on specific model and pump type)
• Speed Range: 600-3600 rpm (variable, depending on application)
• Displacement: Ranging from 4.3cc per stroke up to 193 cc/r (per section, varies by kit)
• Fluid Compatibility: Mineral oil, synthetic fluids, fire-resistant fluids, certain bio-oils (HEES)

Applicable Equipment & Application Scenarios

Our Hydraulic Pumps Cartridge Kits are widely applicable across numerous industries due to their high performance and reliability. They are ideal for maintaining and enhancing the efficiency of the following equipment:

• Construction Machinery: Excavators, Cranes, Wheel Loaders, Bulldozers, and other heavy-duty equipment where robust and precise hydraulic power is essential for lifting, digging, and moving heavy loads.
• Agricultural & Forestry Machinery: Tractors, Combines, Rice Planting Machines, Lawn Mowers, Logging Machines, requiring reliable hydraulic systems for diverse tasks like plowing, harvesting, and timber processing.
• Material Processing & Forming Machinery: Steel Mill Equipment, Machine Tools, Plastic Processing Machines (e.g., injection molding machines), Die Casting Machines, and Presses, where precise control and high-pressure capabilities are crucial for shaping materials.
• Automotive Industry: Trucks, Buses, and other commercial vehicles, ensuring smooth and efficient operation of power steering, braking systems, and auxiliary functions.
• Industrial & Manufacturing Plants: Power Units, Material Handling Systems, and various other industrial applications demanding consistent hydraulic power for automation and machinery operation.
• Renewable Energy Sector: Especially in Wind Farms, where reliable hydraulic systems are critical for blade pitch control and braking mechanisms, often operating in challenging environmental conditions.

Case Study Highlight:

In a heavy construction project, the regular replacement of worn hydraulic pump cartridge kits in excavators led to a 30% reduction in equipment downtime and a 15% improvement in fuel efficiency. By utilizing our high-efficiency cartridge kits, the excavators maintained optimal digging force and swing speed, contributing to the project's timely completion and significant operational savings. This highlights how timely maintenance with quality components can directly translate to enhanced productivity and cost-effectiveness in demanding applications.

Related & Similar Products

Beyond the specific cartridge kits listed, we also offer a comprehensive range of hydraulic pump components and related products, ensuring we meet all your hydraulic system needs. These include:

• Gear Pump Cartridge Kits: Known for simplicity and robust construction, ideal for low to medium-pressure applications in agricultural machinery, material handling, and compact power units.
• Vane Pump Cartridge Kits: Offer smooth, quiet operation and high efficiency, commonly found in industrial power units, injection molding machines, and automotive hydraulic systems (e.g., trucks and buses). Available in fixed and variable displacement configurations.
• Piston Pump Cartridge Kits: Designed for high-pressure performance and exceptional efficiency, perfect for heavy machinery, construction equipment, and precision industrial applications like CNC machines.
• Hydraulic Control Valves: Essential for directional, pressure, and flow control in all hydraulic systems, used across all equipment types mentioned above.
• Hydraulic Filters: Crucial for maintaining fluid cleanliness and preventing contamination, applicable to any hydraulic system to extend component life.

Installation & Maintenance Guide

Proper installation and regular maintenance are crucial for maximizing the lifespan and performance of your hydraulic pump cartridge kits. Below are common issues and their solutions:

Common Issues & Solutions:

• Noisy Operation (Aeration/Cavitation):

  Problem: Gurgling sounds, whining, or hammering from the pump, often due to air in the system or insufficient fluid supply.

  Solution: Inspect suction lines and fittings for air leaks. Ensure fluid reservoir is at adequate level and suction line is free of blockages. Verify the pump is not drawing in air or vapor. Proper fluid de-aeration is critical.

• Overheating:

  Problem: Excessive heat generation, leading to fluid degradation and seal hardening.

  Solution: Ensure correct hydraulic fluid type and viscosity. Regularly check fluid levels. Inspect cooling system for blockages or malfunctions (e.g., clogged cooler). Lubricate moving parts adequately. Avoid extended operation above 140°F (60°C).

• Reduced Flow Rate/Pressure:

  Problem: Noticeable drop in system performance, slow operation of actuators.

  Solution: Inspect for internal leaks (worn seals/gaskets). Check for worn pump components (pistons, vanes, cam rings). Clear any blockages in hydraulic lines or filters. Ensure cartridge screws and fasteners are properly tightened.

• Fluid Contamination:

  Problem: Dirty fluid leading to premature wear and pump failure.

  Solution: Thoroughly clean the entire hydraulic system before new pump/cartridge installation. Drain old oil, clean reservoir, replace filters, and flush lines. Use high-quality, appropriate hydraulic fluid. Regularly replace filters as per manufacturer recommendations.

• Shaft Leaks & Seal Failures:

  Problem: Oil leaking from the pump shaft, or seals failing prematurely.

  Solution: Inspect shaft seals for damage or hardening. Replace worn or damaged seals. Ensure return line pressure is within specifications to avoid excessive backpressure on seals. Avoid abrasive solutions or harsh chemicals that can attack elastomers.

General Maintenance Best Practices:

• Always relieve system pressure before disconnecting hydraulic lines.
• Ensure the pump is mounted below the tank for gravity feeding.
• Use qualified personnel for assembly, setup, and major repairs.
• Keep the operating environment clean to prevent contamination.