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The role of the vegetable planter in agricultural pla […]
The role of the vegetable planter in agricultural planting is believed to have been experienced by many growers, but some minor faults may occur after it has been used for some time, so how can it be judged initially?
1, visual judgment.
It can determine the wear of mechanical surface parts and the quality of the surface materials of the parts. Such as cracks on the cylinder block and cylinder head, the appearance of gears and movable bearings are worn off, the fuel injectors and exhaust valves appear annealed blue or pitted after severe burns, the conflicting materials of the clutch and brake are worn and burned, and the gears The bite marks of the vice, the degree of light leakage between the piston and the cylinder liner, etc.
2, auditory judgment.
Hearing judgment can use a small hammer to quietly tap the inspection part of the metal part, and judge whether there are cracks in the vegetable planter from the sound and whether the connection is tight. Generally, the sound of tight and complete parts is loud, and the sound of defects is dull. In this way, it can be determined whether the crankshaft and side rods of the machine have cracks, the combination of the bearing alloy and the body, and whether the rivets of the inlet pump are firmly connected, etc. In addition, from the sound of the working gear set, the meshing condition can also be roughly judged.
3. Tactile judgment.
Tactile judgment can be shaken by hand, and the gap size can be judged by feeling, without measuring with a measuring tool. For example, the gap between the valve stem and the valve guide, the radial and axial gaps of the movable bearing will be strong. The failure of the vegetable planter can be preliminarily judged from the above aspects