- Product Name: Hydraulic Gear Pump
- Port: Huangpu
- Standard: Standard
- Model:PC28UU-1
- Part number:705-86-14080 705-41-08100
- Fuel: Hydraulic Oil
- Weight: 32 Kgs
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2. Working Principle of Gear Pump
A gear pump operates on the principle of positive displacement, where fluid is drawn into the pump and then forced out under pressure. The primary types of gear pumps used in excavators are:
2.1 External Gear Pump
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Consists of two meshing gears (a driving gear and a driven gear) enclosed in a housing.
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As the gears rotate, fluid is trapped between the gear teeth and the pump casing.
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The fluid is carried from the inlet (suction) side to the outlet (discharge) side, where it is expelled due to the meshing of the gears.
2.2 Internal Gear Pump
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Features an inner rotor (drive gear) and an outer rotor (idler gear).
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The inner gear rotates eccentrically, creating expanding and contracting chambers that draw in and expel fluid.
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Known for smoother operation and higher efficiency compared to external gear pumps.
Both types rely on the meshing action of gears to create a vacuum for suction and pressure for discharge, ensuring continuous hydraulic fluid flow.
List of spare parts
| # | Part No | Part Name | Qty. | Price request |
| 1 | (705-41-08100) | PUMP ASS'Y,(SEE FIG.Y1600-01A0) | 1 | |
| 2 | 21U-62-22140 | Tube | 2 | |
| 3 | 07000-03025 | O-RING,CORROSION RESISTOR | 2 | |
| 4 | 01010-50825 | BOLT,WITHOUT REVOLUTION SENSOR | 8 | |
| 5 | 01643-30823 | WASHER, WIRING HARNESS MOUNTING BRACKET | 8 | |
| 6 | 01010-51030 | BOLT,(FOR QUICK SHIFT) (MITSUBISHI) | 2 | |
| 7 | 01643-31032 | WASHER,(WITH AUTO EMERGENCY STEERING) | 2 | |
| 8 | 07235-50422 | ELBOW,(FOR RUSSIAN) | 2 | |
| 9 | 21U-62-22160 | Elbow | 1 | |
| 10 | 07002-12034 | O-RING,(FOR WITHOUT BRAKE ASSISTOR) | 3 | |
| 11 | 07042-20108 | PLUG,(FOR W/O. CORROSION RESISTOR) | 3 | |
Support and Services:
Our Hydraulic Gear Pump product comes with top-notch technical support and services to ensure your satisfaction and optimal performance. Our team of experienced engineers and technicians are available to provide you with expert advice and assistance with any issues you may encounter with your pump.
Our technical support includes:
- Installation assistance
- Troubleshooting and problem-solving
- Product specifications and recommendations
We also offer a range of services to keep your Hydraulic Gear Pump running smoothly, including:
- Regular maintenance and inspection
- Repair and replacement of damaged or worn parts
- Upgrades and modifications to improve performance
Our goal is to ensure that you get the most out of your Hydraulic Gear Pump and that it continues to meet your needs for years to come. Contact us today to learn more about our technical support and services.
