我厂开展东风-12型手扶拖拉机堵漏攻关课题后,首先于1983年调查了本省11个县的1360台手扶拖拉机,对54台渗漏机进行了部位分析,发现渗漏部位所占比例为:半轴占28.23％,离合器轴占21.28％,转向拨叉占17.65％,副变速拨杆占9.72％,通孔螺栓占8.35％,最终传动箱盖占7.64％,油塞螺丝占4.81％,拨杆球体占2.32％。1984年又对本县 I plant to carry out Dongfeng -12 tractor plugging tackling issues, the first survey in 1983 in the province’s 11 counties 1360 Taiwan tractor, 54 leaks were part of the site analysis and found that the leakage part of the share The proportions are as follows: 28.23% for the half shaft, 21.28% for the clutch shaft, 17.65% for the steering fork, 9.72% for the auxiliary shift lever, 8.35% for the through hole bolt, 7.64% for the final gearbox cover and 4.81 for the plug screw %, Lever sphere accounted for 2.32%. In 1984 and the county