"Boiling" refers to the phenomenon that the temperature of the diesel engine of the loader is too high and the coolant boils and steams in the water tank. The causes, prevention and elimination methods of "boiling" of diesel engine mainly include:

1.散热器散热管(芯子)内壁结垢过厚，影响散热。使用中应注意加注洁净的冷却水;并定期水箱中的水垢;

1. The inner wall of radiator cooling pipe (core) is too thick, which affects heat dissipation. Pay attention to filling clean cooling water during use; And regularly remove the scale in the water tank;

2.散热器或冷却系漏水，造成冷却液不足。检查漏水的原因，排除故障后加足冷却水;

2. The radiator or cooling system leaks water, resulting in insufficient coolant. Check the cause of water leakage and add enough cooling water after troubleshooting;

3.气缸垫或气缸套损坏，气缸内的高压气体进入水冷却系，导致水箱“翻泡”“开锅”(此种情况下，多伴有柴油机机油乳化现象)。应检修气缸垫或气缸套是否损坏，必要时进行更换;

3. The cylinder gasket or cylinder liner is damaged, and the high-pressure gas in the cylinder enters the water cooling system, resulting in "bubbling" and "boiling" (in this case, it is often accompanied by emulsification of diesel engine oil). Check whether the cylinder gasket or cylinder liner is damaged and replace it if necessary;

4.水泵损坏，冷却水不循环或循环强度不足。应检查水泵损坏的原因，必要时更换新水泵;

4. The water pump is damaged, the cooling water does not circulate or the circulation intensity is insufficient. Check the cause of the damage of the water pump and replace it with a new one if necessary;

5.机器长时间高负荷工作，风扇皮带过松、风速不强，也会出现因过热而开锅的现象。应合理安排装载机的作业负荷，防止机器出现过热现象。

5. When the machine works under high load for a long time, the fan belt is too loose and the wind speed is not strong, and the boiler will boil due to overheating. The working load of the loader shall be reasonably arranged to prevent overheating of the machine.

6.节温器损坏，导致大循环打不开，引起机器过热，应更换节温器。

6. The thermostat is damaged, resulting in the failure to open the large cycle and overheating of the machine. The thermostat should be replaced.

附注意，在高寒地区工作的装载机也会出现开锅现象，主要原因为散热器内冻结，冷却液无法进行大循环。因此，在高寒地区使用装载机，应注意在散热器前端加保温装置。

Note that loaders working in high and cold areas will also boil, mainly due to the freezing in the radiator and the failure of large circulation of coolant. Therefore, when using loaders in alpine areas, attention should be paid to adding thermal insulation devices at the front end of the radiator.

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