1、混凝土全自动搅拌车减速机的保养：按不同的使用期限，应对减速机作以下例进行养护：

1. Maintenance of reducer of full-automatic concrete mixer: according to different service life, the reducer shall be cured as follows:

（1）换油：首期使用500个小时后换油，以后每1500个小时换一次油，只要满一年不管其工作了多少个小时，必须换油。

(1) Oil change: change the oil after 500 hours of use in the first phase, and then change the oil every 1500 hours. No matter how many hours they have worked for a year, they must change the oil.

（2）油品：本车减速机为原装进口减速机，所用齿轮油采用重载荷车辆齿轮油GL-5，粘度等级为85w/140。

(2) Oil: the reducer of this vehicle is an original imported reducer. The gear oil used is heavy-duty vehicle gear oil GL-5 with viscosity grade of 85W / 140.

（3）建议：在油温为60度左右放油。每次换完油后，需检查联接螺栓的紧固情况。每周检查一次油位。

(3) Suggestion: drain the oil when the oil temperature is about 60 ℃. After each oil change, check the fastening of connecting bolts. Check the oil level once a week.

2、混凝土全自动搅拌车散热器的保养：正常情况下，散热器的过滤芯在固定周期内更换，新车3个月更换滤芯，之后每6个月更换滤芯，滤芯精度与原装滤芯精度一致，每天检查散热器风扇是否运转，每周空气枪清洗散热器叶片表面，确保散热器正常工作。

2. Maintenance of radiator of concrete automatic mixer truck: under normal circumstances, the filter element of the radiator is replaced within a fixed cycle. The filter element of the new car is replaced 3 months, and then the filter element is replaced every 6 months. The precision of the filter element is consistent with that of the original filter element. Check whether the radiator fan operates every day, and clean the surface of the radiator blade with an air gun every week to ensure the normal operation of the radiator.

3、混凝土全自动搅拌车液压泵、液压马达的保养：液压泵、液压马达也为原装进口件，所用液压油为68#抗麿液压油，一般新使用3个月请更换液压油，以后在正常使用情况下更换液压油的时间不得超过12个月。不同企业的液压油不可混合使用，更换新液压油时，必须将液压回路（包括液压泵、液压马达、油管、油管接头、散热器）内清洗干净，否则会导致液压泵、液压马达的故障及缩短其使用寿命。

3. Maintenance of hydraulic pump and motor of automatic concrete mixer: the hydraulic pump and motor are also imported parts with original packaging, and the hydraulic oil used is 68# anti rust hydraulic oil. Generally, the hydraulic oil should be replaced after 3 months of new use, and the replacement time of hydraulic oil under normal use should not exceed 12 months. Different brands of hydraulic oil cannot be mixed. When replacing new hydraulic oil, the hydraulic circuit (including hydraulic pump, hydraulic motor, oil pipe, oil pipe joint and radiator) must be cleaned, otherwise it will lead to the failure of hydraulic pump and hydraulic motor and shorten their service life.

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