一名新机手,在保养喷油器并更换喷油嘴偶件后,发现喷油器喷射出的柴油成线状,不雾化,拧动调压螺钉调整也无济于事。经检查,原来是机手在组装喷油器时,误将顶杆与调压弹簧位置装反(即将顶杆装在了调压弹簧的上面)。重新组装喷油器,并适当调整后,喷油器的喷油质量正常。喷油器中,顶杆位于针阀和调压弹簧之间,它的作用是将调压弹簧的压力传给针阀,使针阀在柴油具 A new aircraft operator, after maintaining the fuel injector and changing the fuel injector coupling, found that the diesel fuel sprayed by the fuel injector was linear, not atomized, and the adjustment of the pressure adjusting screw was not helpful. Upon examination, the original is the hands of the assembly of the injector, the wrong position of the ejector lever and the pressure regulator spring loaded (soon to be mounted on top of the pressure spring). Reassemble the fuel injector, and properly adjusted, the injector fuel injection quality is normal. In the injector, the ejector pin is located between the needle valve and the pressure regulating spring, and its function is to transmit the pressure of the pressure regulating spring to the needle valve to make the needle valve in the diesel fuel