HOWO A7 HOWO Light Truck HOMAN Power Steering Pump FG98064766900

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HOWO A7 HOWO Light Truck HOMAN Power Steering Pump FG98064766900

Function

1. Power Transfer: Its main function is to convert the engine's power into hydraulic pressure. When the driver turns the steering wheel, it rotates via a belt, converting the engine's mechanical energy into hydraulic energy.
2. Assistance Amplification: The high-pressure hydraulic fluid it generates is sent to the steering knuckle and steering gear, helping the driver amplify the steering torque, making steering easier and lighter, especially at low speeds or when parking.

Structure

1. Gear Pump Body: Contains a precision rotor and stator, which create a pressure zone through gear meshing.
2. Power Steering Reservoir: The pump body is usually integrated with the hydraulic oil tank, which contains the hydraulic fluid that the pump draws in and pressurizes.
3. Belt Pulley: Located at the front of the pump body, it drives the rotor's rotation via the engine's timing belt.

Materials
1. Cast Iron/Aluminum: The pump casing is typically made of cast iron or aluminum alloy. These materials possess extremely high strength and pressure resistance, capable of withstanding hydraulic pressures up to 200-300 bar, preventing bursting or leakage due to high pressure.
2. Steel Rotor: The internal rotor and stator are usually made of high-strength steel, heat-treated to increase hardness and ensure that they do not deform during long-term operation.

Safety Advantages
1. Leak Prevention: This pump assembly adopts a double-seal structure, combined with high-quality sealing rings, to prevent hydraulic oil leakage. Leaks can not only lead to loss of power steering but also potentially cause the oil tank to catch fire. The sealing design greatly reduces these safety hazards.
2. Overpressure Protection: An internal pressure relief valve is included, which automatically releases pressure when the hydraulic pressure exceeds the set limit, preventing over-pressurization of the hydraulic system that could lead to pipe rupture or steering gear damage.

Replacement recommendations
1. Reduced power steering assistance: If the steering wheel becomes noticeably heavy when turning, or makes unusual noises, the pump may be worn or the belt may be slipping.
2. Fluid leakage: Oil stains appear around the pump, or the steering system indicates a low fluid level.

Installation Precautions:
1. Belt Tension: After replacement, the engine belt tension must be checked to ensure it is appropriate. Too tight will damage the bearings, and too loose will cause slippage.
2. Fluid Filling: Although the assembly comes pre-filled with fluid, it is necessary to ensure that no air enters the pump inlet during assembly. If necessary, refill with hydraulic oil.

​Description                                                                                                                                                                                                                               

SINOTRUK HOWO light truck power steering pumpFG98064766900,The steering pump and steering gearox together form the steering system. The steering pump is driven by a belt and uses hydraulic oil as the energy conversion medium to achieve light and sensitive steering operation.

The hydraulic oil of the steering pump comes from the steering oil tank, and the filter element is a commonly used vulnerable part. The filter element can filter out impurities in the hydraulic oil to ensure that the steering pump can work for a long time.

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