The hydraulic system is the operation center of the loading part of the whole automatic loading concrete mixer. The value of the whole hydraulic system accounts for about 40% of the loading part, because these hydraulic systems are basically imported parts.

自動上料混凝土攪拌車 液壓油的要求：

Requirements for hydraulic oil of automatic feeding concrete mixer truck:

客戶在置辦混凝土罐車后，普遍改裝廠家會給用戶壹本操作手冊，而這個操作手冊上都會有明白的要求齒輪油以及液壓油的標號。關于液壓系統準則上夏季使用68#的抗磨液壓油，冬季應該使用46#的抗磨液壓油，嚴寒地區應該使用32#的低溫抗磨液壓油。這樣做的益處是不管何時，都會使液壓系統內油的循環愈加順利，不構成由于低溫或者高溫油的稀薄度達不到，造成液壓油系統不能正常運轉。

After the customer purchases the concrete tank truck, the general refitting manufacturer will give the user an operation manual, which will have clear requirements for the label of gear oil and hydraulic oil. As for the hydraulic system guidelines, the anti-wear hydraulic oil used 68# in summer, the anti-wear hydraulic oil used 46# in winter and the low-temperature anti-wear hydraulic oil used 32# in severe cold areas should be used. The advantage of this is that at any time, the oil circulation in the hydraulic system will be more and more smooth, which does not cause the hydraulic oil system to fail to operate normally due to the lack of thinness of low-temperature or high-temperature oil.

減速機加注齒輪油，普通的標號VG150,也能夠加注品牌較好的殼牌等加注變速箱的高能齒輪油。

Gear oil can be added to the reducer, ordinary grade vg150, and high-energy gear oil can also be added to the gearbox, such as shell.

注意一點：嚴禁不同品牌不同型號的齒輪油混加。

Note: it is strictly prohibited to mix gear oils of different brands and models.

普通狀況下，液壓油和齒輪油更換應該在購車之日起一個月內或者400個工作小時好。這樣更能保證廠家的售后和液壓系統的正常運轉。曾經有一次，一個客戶通知我，他自從買車到往常(2年)了，沒有改換過油，車輛還是好好的運轉。我不承認有這種事情存在，但是沒有及時換油省下的幾千塊錢，等到壞的時候不是幾千塊就能處置的，典型的貪低價吃大虧。據不完整統計，造成液壓系統損壞的，95%是由于沒有及時更換液壓油造成的。

Under normal circumstances, the replacement of hydraulic oil and gear oil should be completed within one month or 400 working hours from the date of purchase. This can better ensure the normal operation of the manufacturer's after-sales and hydraulic system. Once, a customer told me that he had not changed the oil since he bought the car (2 years), and the car was still running well. I don't admit that this kind of thing exists, but I didn't change the oil in time. I saved thousands of dollars. When it was bad, I couldn't handle it. The typical greedy low price suffered a heavy loss. According to incomplete statistics, 95% of the damage to the hydraulic system is caused by the failure to replace the hydraulic oil in time.

更換過之后，需要根本上每半年至一年更換一次問題都不大。中間要注意液壓風扇上的散熱指示針，假如發現油品有問題，應立刻改換。

After the replacement, it needs to be replaced every half a year to once a year, which is not a big problem. In the middle, pay attention to the heat dissipation indicator on the hydraulic fan. If there is a problem with the oil, change it immediately.

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