Tractor oil leakage, mainly in the tank switch, hollow bolt joints, housing contact surface, crankcase, gearbox and the joystick, shaft, etc.. Leakage not only pollutes locomotives but also wastes oil. Therefore, the operator discovered that there was a leakage of oil and should be leak-detected in time. Oil leakage at the fuel tank switch. Remove the switch, remove the packing, and use oil-resistant rubber skin to make two washers with an outer diameter larger than 1 mm of the switch housing hole and an inner diameter of less than 2 mm of the bolt shaft; and then make two outer diameters 2 mm than the housing handle screw shaft. Washers, and then do two round steel pads with an outer diameter 1.5 mm smaller than the housing bore and 1.5 mm larger than the handle bolts; then, sandwich the rubber pad on the handle screw and tighten it. Hollow bolt joints leak oil. Most of the oil leakage here is caused by the unevenness of the tubing connector or the gasket, or the raised part of the screw hole on the shell is flattened. Then a plastic gasket is added between the gasket and the joint to tighten the screw. The housing contact surface (paper pad) leaks. For infrequently disassembled parts, if the paper pad is small, apply a layer of lead oil on both sides of the paper pad (soaked in diesel before oil coating); if the paper pad is large, apply a layer of butter on both sides of the paper pad. : For the frequently disassembled parts (such as the valve cover and the filter housing), rubber pads should be used. When tightening the bolts, it should be divided into several symmetrical tightening; when assembling the parts, ensure the gaskets are intact and the parts contact surfaces are clean. Parts can not be dislocated and modified. Oil leaks at each joystick shaft. According to the diameter of the shaft diameter, choose oil-resistant rubber gasket (inner diameter must be 1 to 3 mm smaller than the shaft, and the outer diameter is 1 mm larger than the gasket), and press it tightly. Crankcase leakage oil. Remove the crankcase, remove the gasket and inspect it. If it is in good condition, it can be wiped and coated with a layer of lead oil and dried and put on; if it is damaged, it should be replaced with a new gasket. Before installing the new gasket, the gasket should be soaked in diesel for 20 minutes, coated with a layer of lead oil and then dried. Gearbox leakage gear oil. The oil leakage here is mainly caused by the excessive clearance between the shaft and bearing of the gearbox and the bearing and hole. If the hole diameter is too large, it can be repaired by adding a sleeve. If the clearance between the shift shaft and the bearing is too large, replace the new one.
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