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| Model | ETL-3.5 | ETL-4.0 |
| Product name | Two post car lift | |
| Load capacity | 3.5T | 4.0T |
| Lifting height | 1800mm | |
| Total machine height | 2800mm | |
| Total machine width | 3300mm | |
| Power | 2.2KW | |
| Net weight | 530kg | |
2-post vehicle lifts are essential equipment for any vehicle workshop or garage, allowing mechanics to easily lift vehicles off the ground for maintenance and repairs. The hydraulic power unit (HPU) is an integral part of any 2-post vehicle lift system, providing the necessary force to lift the car. In this article, we will discuss the technical details of the 2-post vehicle lifts hydraulic power unit, including its components, working principle, and maintenance requirements.
Components of the Hydraulic Power Unit:
The hydraulic power unit is composed of several key components that work together to provide the necessary force to lift the vehicle. These components include:
1. Hydraulic Pump: The hydraulic pump is responsible for converting mechanical power into hydraulic pressure. It is usually powered by an electric motor or an internal combustion engine.
2. Hydraulic Cylinder: The hydraulic cylinder is the component that generates the force to lift the vehicle. It consists of a piston, a rod, and a cylinder housing. When hydraulic pressure is applied to the piston, it pushes the rod upward, which in turn lifts the car.
3. Control Valves: Control valves are used to regulate the flow of hydraulic fluid in the system. They control the speed and direction of the lift, as well as the amount of pressure applied to the hydraulic cylinder.
4. Reservoir: The reservoir is a container that holds the hydraulic fluid. It is usually located at the base of the lift, and it contains enough fluid to ensure that the system is always properly lubricated.
Working Principle of the Hydraulic Power Unit:
The hydraulic power unit works on the principle of hydraulic pressure. When the lift operator activates the control valve, the hydraulic pump draws hydraulic fluid from the reservoir and sends it to the hydraulic cylinder. The hydraulic fluid creates pressure inside the cylinder, which pushes the piston and rod upwards, lifting the vehicle. To lower the car, the control valve is activated in the reverse direction, allowing the hydraulic fluid to flow out of the cylinder and back into the reservoir.
Maintenance Requirements:
Proper maintenance of the hydraulic power unit is essential for the safe and efficient operation of the 2-post vehicle lift. Regular maintenance includes:
1. Checking the fluid level in the reservoir and topping it up as necessary.
2. Inspecting the hydraulic pump, cylinder, and valves for leaks, wear, and damage.
3. Lubricating the moving components of the hydraulic power unit to ensure smooth operation.
4. Testing the lift's safety features, such as the automatic shut-off valve and the stop switch.
Conclusion:
The hydraulic power unit is an essential component of any 2-post vehicle lift system. It provides the necessary force to lift the car, allowing mechanics to perform maintenance and repairs. Understanding its components, working principle, and maintenance requirements is vital for ensuring the safe and efficient operation of the lift.
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