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1.发动机水温很高时,不要打开水箱盖。若必须在高温下打开水箱盖,应首先打开机体放水开关和水箱放水开关,使一部分热水和蒸汽排出,以降低冷却系统内的压力,然后用布包住水箱盖,将头、脸和身体侧开,缓缓拧下水箱盖,以防热水和蒸汽突然喷出烫伤。 2.在缺乏硬度计时,用锉刀检验零件硬度。可用大半新的中齿平挫,在零件表面上慢慢推压,若有明显阻力,并有较多铁屑锉下,说明硬度不高,约在HHC40以下;若没有明显阻力,锉刀有点打滑,只有少量铁屑锉下,说明硬度较高,约在HRC40-50;若锉刀打滑,无铁屑锉下,
1. Do not open the water tank cover when the engine water temperature is high. If you have to open the lid at high temperatures, you should first open the body drain switch and the tank drain switch, part of the hot water and steam to reduce the pressure within the cooling system, and then covered with a cloth cover, the head, face and body Open side, slowly unscrew the tank cover to prevent hot water and steam suddenly scalded. 2. In the absence of hardness tester, with a file inspection parts hardness. Available in most of the new tooth flat setback, slowly push the surface of the parts, if there is obvious resistance, and more iron filings, indicating that the hardness is not high, about below HHC40; if there is no obvious resistance, the file a little slippery , Only a small amount of iron filings, indicating a higher hardness, about HRC40-50; if the file slipping, no iron filings,