保养东方红-75/54发动机机油滤清器时,应在熄火后趁热进行,效果较好。但由于润滑系备部间隙较小,粗滤器内的机油短时间内不能流回油底壳(一般要3～4小时),这时,如果打开粗滤器外罩,就有机油外溢。现在,我们改进了操作顺序,发动机熄火后,只要1分钟左右即可使粗滤器内机油流完,具体操作方法如下: 一、打开细滤器小外罩并卸掉转子总成的固定螺母,然后将转子提上米至露出转子轴上的φ6通孔高 Maintenance of Dongfanghong -75 / 54 engine oil filter, should be hot after the flame off, the effect is better. However, due to lubrication system spare part gap is small, the oil within the strainer can not flow back to the oil pan within a short time (usually 3 to 4 hours), then open the strainer housing, there is oil spill. Now, we have improved the operation sequence. After the engine is off, it takes about 1 minute to finish the oil flow in the strainer. The specific operation is as follows: 1. Open the small filter cover and remove the fixing nut of the rotor assembly, and then Rotor lift the rice to expose the rotor shaft φ6 through hole high