拖拉机、柴油机的维修和保养虽然都规定有一套正确的方法,但错误的观念仍然不少,常见的有下列四种:“螺丝宁上崩了不上松了”。一些重要部位的螺丝,如连杆螺栓、气缸盖螺帽、平衡铁螺丝等,都规定有扭紧力矩。达不到规定的在工作中就容易松 Although the tractor and diesel engine repair and maintenance have provided a correct method, but the concept of the error is still quite a lot, the following four common: “Screw rather than collapsing.” Some important parts of the screws, such as connecting rod bolts, cylinder head nuts, screws and other balanced iron, are provided with tightening torque. Not easy to loose at work