对于济南济柴发电机组来说我们在进行维修的时候是有很多的注意点的，我们在这里将其归结为五点，成为“维修五忌”。

For Jinan jichai generator set, we have a lot of points to pay attention to when we carry out maintenance. Here we summarize it into five points, which become the "five taboos of maintenance".

1、在进行安装活塞销不加温活塞。其中要是使用的是铝活塞，那么在受热时会出现膨胀，平常的时候我们在常温下进行安装活塞销的时候，在将其装入到活塞销孔内的时候则应有一定的紧度。并且需要注意我们在进行安装的时候我们应预先将活塞在机油或水中将其加热到90℃左右，然后将活塞取出，趁这活塞处于高温用手就可以将活塞销顺利的推进活塞销孔中，当然我们也要注意在装配中的方向。

1. The piston pin is installed without heating the piston. If the aluminum piston is used, it will expand when heated. Usually, when we install the piston pin at room temperature, it should have a certain tightness when it is installed into the piston pin hole. In addition, it should be noted that during installation, we should heat the piston to about 90 ℃ in oil or water in advance, and then take out the piston. When the piston is at high temperature, we can push the piston pin smoothly into the piston pin hole by hand. Of course, we should also pay attention to the direction in assembly.

2、在更换气缸垫的时候不清除残余缸垫。就目前来说有很多的气缸垫是采用石墨制成的，而此类的气缸垫的黏附性较强、密封性较好，但是大多数只能使用1次。当我们拆下石墨缸垫的时候，黏附在机体及缸盖平面上的残余的旧缸垫，我们是必须清除干净。这是因为黏附在机体及缸盖接触面上的杂物是凹凸不平，当我们重新装上缸盖之后，就极易造成气缸垫压不实，出现无法承受柴油机工作时高温、高压气体的冲击，出现再次冲坏气缸垫情况。

2. When replacing the cylinder gasket, do not remove the residual cylinder gasket. At present, many cylinder gaskets are made of graphite, and these cylinder gaskets have strong adhesion and good sealing, but most of them can only be used once. When we remove the graphite cylinder gasket, we must remove the residual old cylinder gasket adhered to the plane of the engine body and cylinder head. This is because the sundries adhered to the contact surface of the engine body and cylinder head are uneven. When we reinstall the cylinder head, it is very easy to cause the cylinder pad to be incompletely pressed, which can not withstand the impact of high-temperature and high-pressure gas when the diesel engine is working, and the cylinder pad will be damaged again.

3、是在将机油批示器换成木橛的时候，当我们将济南济柴发电机组起动之后，机器显示屏上面的机油指示器就会升起，这就标志着发电机组的润滑情况良好，此时若是又露出机油喷孔，使机油从此孔喷出，润滑摇背机构，使柴油机工作正常。但是有的时候有些操作机手会发现机油指示器损坏后，将其拔出扔掉，砸进木橛。木橛就会堵住机油喷孔，这个时候摇背机构得不到机油润滑，就会加速机件磨损情况。

3. When replacing the oil indicator with a peg, when we start the Jinan jichai generator set, the oil indicator on the machine display will rise, which indicates that the lubrication of the generator set is in good condition. At this time, if the oil jet hole is exposed again, the oil will be ejected from the hole to lubricate the back shaking mechanism and make the diesel engine work normally. But sometimes some operators will find that the oil indicator is damaged, pull it out, throw it away and smash it into the peg. The peg will block the oil spray hole. At this time, the back rocking mechanism will not get oil lubrication, which will accelerate the wear of the parts.

4、是当我们在对轴瓦背面垫铁皮或纸的时候。其中的曲轴轴颈与轴瓦磨损量超出一定范围，使间隙增大。在工作中，因机油漏掉，油压出现降低，从而导致润滑不良，增加了磨损，并且还会发出异常敲击声音。

4. When we pad iron sheet or paper on the back of the bearing bush. The wear of crankshaft journal and bearing bush exceeds a certain range, which increases the gap. During operation, due to oil leakage, the oil pressure decreases, resulting in poor lubrication, increased wear, and abnormal knocking sound.

5、就是我们在进行更换气门的时候不进行相应的研磨操作。我们一般为了保证气门的密封性，在更换气门及气门座的时候，是会用角度适当的气门铰刀削，再将研磨膏涂于气门与气门座之间，用气门研磨机或手工进行研磨，直至研磨出1条1～1.5毫米宽、整齐且暗灰色的连续环带。

5. we do not carry out the corresponding grinding operation when replacing the valve. In order to ensure the tightness of the valve, when replacing the valve and valve seat, we will first use the valve reamer with appropriate angle, then apply the grinding paste between the valve and valve seat, and grind it with the valve grinder or manually until a neat and dark gray continuous ring belt with a width of 1 ~ 1.5mm is grinded.

以上就是我们在对济南济柴发电机组维修时，所需要注意的“维修五忌”，通过上面我们的详细罗列希望大家可以得到对自己有用的知识，帮助您在日常的机器维修的时候不会出现这些错误。

The above is the "maintenance five Taboos" we need to pay attention to when repairing Jinan jichai generator set. Through our detailed list above, we hope you can get useful knowledge to help you avoid these mistakes in daily machine maintenance.