重复上述动作1 - 2次，直到残余气体全被排净，然后拧紧放气螺钉。
Repeat 1-2 times the above-mentioned actions, until the residual gases were scheduling the net, and then tighten the screws were deflated.
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。
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.
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