沼气发电机组试机前的检查步调如下:

　　The inspection steps before the trial operation of the biogas generator set are as follows:

　　1、检查机组表面是否清洁清洁;地脚螺帽、飞轮螺钉及其他运动机件螺帽有没有松动现象，发现题目及时紧固。

　　1. Check if the surface of the unit is clean and tidy; Check if the anchor nuts, flywheel screws, and other moving parts nuts are loose, and tighten them promptly if any problems are found.

　　2、检查各部分间隙是否正确，特别应仔细检查各进、排气门的间隙几减压机构间隙是否合适要求。

　　2. Check whether the gaps between each part are correct, especially carefully inspect the gaps between the intake and exhaust valves and the pressure reducing mechanism to ensure that they meet the requirements.

　　3、将各气缸置于减压位置，转动曲轴检听各缸机件运转声音有没有异常声响，曲轴转动是否自如，同时将机油泵进个摩擦面，然后，关上减压机构，摇动曲轴。检查气缸是否漏气，如果摇动曲轴时，感触感染很吃力，表示紧缩正常。

　　3. Place each cylinder in the depressurization position, rotate the crankshaft to check for any abnormal sounds from the operation of the cylinder components and whether the crankshaft rotates freely. At the same time, insert the oil pump into the friction surface, then close the depressurization mechanism and shake the crankshaft. Check if the cylinder is leaking air. If it is difficult to feel the infection when shaking the crankshaft, it indicates that the tightening is normal.

　　4、检查燃油供给系统的情况:①检查燃油箱盖上的通气孔是否顺畅，若孔中有污物应清除清洁。加进的燃气是否合适要求的牌号，油量是否充沛，并打开油路开关。②打开减压机构摇转曲轴，每个气知应有清脆的暗油声音，表示崎油良好，若听到陈油声不来油、可能油路中有空气。此时可族松燃气滤清器和畸油泵的放气螺钉，以排除油路中的空气。③检查油管及接头处有没有漏油现象，发现题目及时措置解决。

　　4. Check the condition of the fuel supply system: ① Check if the vent hole on the fuel tank cap is smooth, and if there is any dirt in the hole, it should be cleaned. Check if the added gas is of the required grade, if the oil level is sufficient, and turn on the oil circuit switch. ② Turn on the pressure reducing mechanism and rotate the crankshaft. There should be a clear dark oil sound on each gas sensor, indicating good oil quality. If you hear the sound of aged oil, there may be air in the oil circuit. At this time, loosen the air release screws of the gas filter and the abnormal oil pump to eliminate the air in the oil circuit. ③ Check for oil leakage at the tubing and joints, and promptly address any issues found.

　　5、检查水冷却系统的情况:①检查水箱内的冷却水量是否充沛，若水量不足，应加足清洁的软水。②检查接头水管有没有漏水现象，发现题目及时措置解决。③检查冷却水泵的叶轮转动是否灵活，传动带松紧是否适当。检查传动带松紧，在转动带中部用手推压，传动带被压下10~15mm为好。

　　5. Check the condition of the water cooling system: ① Check if the cooling water in the water tank is sufficient. If the water is insufficient, add enough clean soft water. ② Check if there is any leakage in the joint water pipe, and promptly take measures to solve the problem. ③ Check whether the impeller of the cooling water pump rotates flexibly and whether the tension of the drive belt is appropriate. Check the tightness of the drive belt, and push it down by hand in the middle of the rotating belt. It is recommended to press down the drive belt by 10-15mm.

　　6、检查润滑系统的情况:①检查机油管及管接头处有没有漏油现象，发现题目及时措置解决。②检查油底壳的机油量，将曲轴箱旁的量油尺抽出，不雅察机油面的高度是否合适端方的要求，不然应添加机油，对燃气机，冬季加8号或11号燃气机机油，夏季加14号机油。如发现油面高度在端方高度以上时，应认真阐发机油增多的启事，通常有个方面的事项需要注意:a.加机油时，加的过量。b,燃气漏进曲轴箱，将机油冲稀。c,冷却水漏进机油中。③需要人工加油的油孔，均应加沣机油做润滑脂。

　　6. Check the condition of the lubrication system: ① Check for oil leakage at the oil pipes and pipe joints, and promptly address any issues found. ② Check the oil level in the oil pan, pull out the dipstick next to the crankcase, and do not check if the height of the oil level meets the requirements of the end. Otherwise, add oil. For gas engines, add No. 8 or No. 11 gas engine oil in winter and No. 14 oil in summer. If the oil level is found to be above the end height, the notice of increased engine oil should be carefully explained. There are usually two things to pay attention to: a. When adding engine oil, add too much. b, Gas leaks into the crankcase, diluting the engine oil. c, Cooling water leaks into the engine oil. ③ Oil holes that require manual refueling should be lubricated with engine oil.

　　7、检查起动系统情况:①用点起动燃气机组:a,先查起动蓄电池电液比重是否在1.240~1.280范围内，若比重小于1.180表明蓄电池电量不足。b.检查电源电线是否正确。c.检查蓄电池接线柱上有没有积污或氧化现象，应将其打磨清洁。d.检查起动电动机及电磁把持机构等电气触电接触是否良好。

　　7. Check the condition of the starting system: ① Start the gas turbine with a point: a. First, check whether the specific gravity of the starting battery is within the range of 1.240~1.280. If the specific gravity is less than 1.180, it indicates that the battery power is insufficient. b. Check if the power cord is correct. c. Check for dirt or oxidation on the battery terminals, and polish and clean them. d. Check whether the electrical contact of the starter motor and electromagnetic control mechanism is good.

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