手扶拖拉机起动前,必须做好下列各项准备工作。1.检查发动机、底盘各部分零件是否完好,有无漏油、漏水现象,各部螺丝是否松动。发现有上述现象时要立即修理、紧固。尤其是制动(?)紧固螺栓和左驱动轮螺栓的紧固情况要经常检查。2.水箱中加水至浮子上升到最高点。如果 Before starting the tractor, you must make the following preparations. 1. Check the engine, the chassis parts of each part is intact, with or without oil leakage, water leakage, the screws are loose. Found that the above phenomena should be immediately repaired, fastened. In particular, brake (?) Fastening bolts and left drive wheel bolts should always be checked. 2. Water tank to float up to the highest point. in case