How to effectively solve the problem of overheating of the internal combustion forklift truck

1. Possible causes of overheating of the internal combustion engine forklift cooling system.
– Internal combustion engine system problem
The internal combustion engine system includes water pump, fan pulley (both active and passive), internal combustion engine (cylinder liner), fan belt, thermostat, etc.
If the pump is not operating properly or the center distance between the fan pulley and the drive pulley is incorrect, the belt will become loose and slip. It will reduce the speed of the driving pulley, the speed of the water pump and the proportional flow of the pump. Or the coolant pipe for the internal combustion engine is clogged, blocking the flow of water. Or the thermostat is damaged, causing the water circulation of the entire system to be stopped… The above factors will cause the water temperature inside the internal combustion engine to increase sharply, leading to overheating of the cooling system. In addition, the internal combustion engine can overheat the cooling system due to other errors such as incorrect ignition timing.
– The engine is hot due to the cooling system
The cooling system includes the fins and the windshield. The radiator, also known as the radiator, consists of 3 parts: the water inlet chamber, the water outlet chamber and the cooling core, the cooling liquid (water) flowing in the radiator core, and the air going outside the radiator core. Radiators. As a result, the heat absorbed by the internal combustion engine’s coolant is transferred to the outside air, where the temperature of the coolant is lowered for re-circulation. The function of the windshield is to allow all the air drawn by the fan to pass through the radiator to improve the efficiency of the fan.
If the pipe in the heatsink core is clogged or there is de-soldering or false soldering between the tube and the radiator, the heat dissipation efficiency will be greatly reduced. At the same time, during the process of transporting, assembling and using the heatsink, the fins on the radiator core are easily scratched, reducing the area of wind passing, increasing wind resistance, and reducing heat dissipation efficiency. If the windshield is damaged or the gap between the fan and the radiator is too large, the fan cannot fully penetrate the windshield, which will result in loss of air volume and affect the heat dissipation performance.

2. Solution for the overheating of the internal combustion engine forklift cooling system
– If the overheating and cooling system of the Internal Combustion Forklift is due to the internal combustion engine system, the pulley center distance can be adjusted to make the belt tension of the internal combustion engine suitable to ensure Make sure that the drive pulley does not slip or lose rotation. We also need to make sure the cooling water pipes of the internal combustion engine are not obstructed. Replace the faulty thermostat, adjust the ignition timing of the internal combustion engine so that the internal combustion engine burns normally. Increase pump displacement, if pump displacement increases, the amount of water flowing through the radiator per unit time will increase and the heat dissipation will also increase. The displacement of the pump depends on the speed of the pump. The speed of the pump depends on the speed of the driving wheel, and the speed depends on the diameter of the driving wheel or the driving wheel, so we always want to increase the speed of the pump. However, if the pump speed is too fast, the life of the pump will be shortened, if the pump runs out of water, the pump’s efficiency will decrease, and the heat dissipation capacity will also decrease. When the water flow in the pump inlet pipe does not exceed 3m/s, the diameter of the pulley can be appropriately increased to increase the displacement of the pump. Cooling capacity will be reduced. When the water flow in the pump inlet pipe does not exceed 3m/s, the diameter of the pulley can be appropriately increased to increase the displacement of the pump. Cooling capacity will be reduced. When the water flow in the pump inlet pipe does not exceed 3m/s, the diameter of the pulley can be appropriately increased to increase the displacement of the pump.
– If the internal combustion engine forklift’s cooling system is overheated due to the radiator system. In this way, the quality of the solder can be improved and the occurrence of soldering or false soldering can be prevented. Take care not to damage the radiator during transportation, assembly and use. Tubular heatsinks can also be used. Practice has proved that the heat sink core has strong heat dissipation, simple fabrication, light weight and low cost, but poor structural rigidity. If the heat dissipation surface area of the radiator is increased, the heat dissipation capacity will certainly increase. Increase the frontal area and thickness of the radiator along the front, reduce the distance between the fins and tubes, and thicken the radiator to increase the heatsink surface area.

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