What is the reason for the abnormal unloading of off-road forklift?

1.排烟：

1. Smoke exhaust:

如果越野叉车柴油机负载超过要求，请降低负载，以使每个气缸内的燃油供应在规定范围内不均匀。调整喷油泵。气门间隙不正确，气门密封不良。燃料喷射的前向角太小，燃料喷射太慢而不能燃烧排气管中的一部分燃料，并且燃料喷射无法调节，因此弹性气密环涡轮增压器燃烧，磨损，接头表面涡轮泄漏等。装回空气密封圈并拧紧连接螺丝。

If the load of off-road forklift diesel engine exceeds the requirements, please reduce the load to make the fuel supply in each cylinder uneven within the specified range. Adjust the fuel injection pump. Incorrect valve clearance and poor valve sealing. The forward angle of fuel injection is too small, the fuel injection is too slow to burn part of the fuel in the exhaust pipe, and the fuel injection cannot be adjusted. Therefore, the elastic gas tight ring turbocharger burns, wears, turbine leakage on the joint surface, etc. Replace the air seal ring and tighten the connecting screws.

2.排气帽冒白烟

2. White smoke from exhaust cap

喷油器的喷洒和滴注不足。如果注射压力过低，请检查喷嘴零件以进行维修或更换。在指定范围内重新调整注射压力。当越野叉车柴油发动机刚刚启动时，每个气缸的不燃性（尤其是在冬季）应适当地提高速度和负荷，并增加运行时间。

Insufficient spraying and dripping of fuel injector. If the injection pressure is too low, check the nozzle parts for repair or replacement. Readjust the injection pressure within the specified range. When the diesel engine of off-road forklift has just started, the incombustibility of each cylinder (especially in winter) should appropriately increase the speed and load and increase the operation time.

3.废气排放蓝烟：

3. Exhaust emission blue smoke:

空气滤清器堵塞，进气口不通畅，并且油底壳中的油过多（油浴空气滤清器）。拆卸并检查空气滤清器，并将机油减至规定水平去做。在安装过程中，活塞环的倒角方向不足，因此机油会进入燃烧室，必要时将活塞环拆下并更换。长期低负载（小于额定功率的40％）运行。机油很容易渗入燃烧室并适当增加负荷。如果是这样，请选择适当的电源。根据油位计的刻度，油盘中注满了油。

The air filter is blocked, the air inlet is blocked, and there is too much oil in the oil pan (oil bath air filter). Remove and check the air filter and reduce the oil to the specified level. During installation, the chamfer direction of the piston ring is insufficient, so the oil will enter the combustion chamber. If necessary, remove and replace the piston ring. Long term low load operation (less than 40% of rated power). The oil can easily penetrate into the combustion chamber and increase the load appropriately. If so, select the appropriate power supply. According to the scale of the oil level gauge, the oil pan is filled with oil.

4.排气冷凝：气缸盖上的裂纹导致冷却液进入气缸并更换气缸盖。

4. Exhaust condensation: the crack on the cylinder head causes the coolant to enter the cylinder and replace the cylinder head.

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