The main valve fittings with screw lid release, pressure release valve.
将主阀盖上的配管接头螺丝松开，释放阀内压力。
2
Supply oil to the fuel oil system by hand oil supply pump and release all the air through the injector pump and fuel injector's vent screw until the oil overflows and no more air found.
采用手压输油泵向燃油系统供油、通过喷油泵及喷油器放气螺钉放气、直至开始溢油并无残留气为止。
3
Typical Applications: release a variety of important parts to repair the screw holes, such as: injection molding machine template screw hole repair. Engine block threaded holes of the repair.