1、 Chassis engine preheating:

在标准怠速转速对发动机进行冷机预热，确保发动机各零部件充分润滑。

Warm up the engine at the standard idle speed to ensure that all parts of the engine are fully lubricated.

二、制动系统：

2、 Brake system:

及时检查或更换气路系统中的空气干燥器;放掉凝聚在储气筒中的水份，防止结冰。

Check or replace the air dryer in the air system in time; drain the water condensed in the air reservoir to prevent icing.

三、冷却系：

3、 Cooling system:

冷却系所用的长效防冻防蚀冷却液能在-20°C(以各类底盘数据为准)下不结冰。如低于-20°C，适当提高冷却液的浓度，浓度不超过60%，避免腐蚀冷却系统。

The long-term anti freezing and anti-corrosion coolant used in the cooling system can not freeze at - 20 ° C (based on the data of various chassis). If it is lower than - 20 ° C, the concentration of the coolant should be increased appropriately, and the maximum concentration should not exceed 60% to avoid corrosion of the cooling system.

四、蓄电池：

4、 Battery:

定期检查蓄电池电解液的液面和比重。液面应高于极板10-15mm，比重在1.24g/cm3以上。

Regularly check the level and specific gravity of battery electrolyte. The liquid level should be 10-15mm higher than the plate, and the specific gravity should be above 1.24g/cm3.

每行驶500，应检查蓄电池电极桩与导线连接夹子是否松动、以及蓄电池工况是否正常。

Every 500 km, check whether the connecting clip between the battery electrode post and the wire is loose, and whether the working condition of the battery is normal.

二、液压系统：

2、 Hydraulic system:

1、预热：

1. Preheating:

若环境温度低于液压油规定的温度时(约10℃)，应对液压系统预热，让发动机在怠速且搅拌筒不转的情况下，空转10～15分钟。

If the ambient temperature is lower than the minimum specified temperature of hydraulic oil (about 10 ℃), the hydraulic system should be preheated, and the engine should be idled for 10-15 minutes without the mixing drum running.

2、北方地区冬天使用H32或L-HM32 (NAS9级)液压油注意：不同企业不同型号的液压油严禁混加。需要更换液压油牌号时，必须对油箱进行彻底清洗，同时清洗或更换滤油器。

2. It is recommended to use H32 or l-hm32 (nas9 grade) hydraulic oil in winter in northern China. Note: it is strictly forbidden to mix hydraulic oil of different brands and models. When the brand of hydraulic oil needs to be changed, the oil tank must be thoroughly cleaned and the oil filter must be cleaned or replaced at the same time.

三、 减速机：

3、 Reducer:

使用GL-5齿轮油，不同粘度等级的油品使用于不同的工作环境四、 供水系统：

GL-5 gear oil is used, and oil of different viscosity grade is used in different working environment

在寒冬季节设备每次使用完毕后，应排尽水箱及管路内的存水，防止结冰。

In the cold winter season, after each use of the equipment, the water in the water tank and pipeline should be drained to prevent freezing.

五、搅拌筒：

5、 Mixing drum:

建议车主们在冬季施工时在搅拌筒上加装保温套。

It is suggested that the car owners should install insulation sleeve on the mixing drum during winter construction.

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