★有一台东风-12型手扶拖拉机,在平地运输无异象,但重载上坡时,转速下降,自动熄火。经检查,该机压缩良好,配气正常,润滑可靠,喷油泵、喷油嘴、柴油滤清器、空气滤清器等也无问题。最后查出故障原因是:进油管受阻,使供油量不足,从而功率不足,爬坡无力,原来是机手发现进油管接头螺栓有渗漏现 ★ There is a Dongfeng -12 walking tractor, no sign of transport in the flat, but heavy load uphill, the speed drop, automatic flameout. After examination, the machine is well compressed, with a normal gas distribution, reliable lubrication, fuel injection pump, fuel injector, diesel filter, air filter, etc. no problem. Finally found out the cause of the malfunction is: obstruction into the tubing, so that insufficient fuel, resulting in lack of power, climbing weakness, turned out to be the original hand into the pipe fittings leak see