Reasons for tractor oil leakage and how to repair it

1, rotary shaft oil leakage. The rotary shaft includes a clutch handle shaft of a shift lever shaft of a starter and a decompression shaft of the engine. Causes and measures: If the shaft and hole wear each other, the gearbox shaft and the clutch handle shaft of the starter can be cut out of the seal ring groove on the lathe, and the corresponding size of the seal apron can be installed. If the aging of the apron due to decompression shaft fails, replace the new apron.
2, switch oil leakage. Switches include water valves, tank switches, and petrol switches. Causes and Measures: If the ball valve is worn or rusted, the rust between the ball valve and the seat hole should be removed and a suitable steel ball should be used instead. If the packing and fastening threads are damaged, the fasteners should be repaired or replaced and the packing replaced. If the conical joint surface is not tight, it can be ground with fine valve sand and oil.
3, pipe joint leakage. Pipe joints include two major categories of cone-joint and hollow-bolt pipe joints. Cone-joint pipe joints include pipe joints at both ends of the pressure gauge, one end of the gasoline pipe, two ends of the high-pressure fuel pipe, and the coarse fuel filter to the end of the oil pump. If the joints are deformed or cracked due to abrasion, they can be sawn off and replaced. Good joint welding. If the connector of the low-pressure fuel pipe is damaged, the bell mouth can be sawed out and the bell mouth can be made again. If the thread is damaged, it should be repaired or replaced with a new one. Hollow bolt fittings include coarse fuel, fine filters, and low-pressure fuel injection fittings for injection pumps. If the gasket is damaged or the assembly is uneven, use a plastic gasket, or use a flat file, or use sandpaper to flatten it. Severely, the milling machine can be used for milling. If there is a pull mark on the assembly plane of the pipe joint, the joint assembly plane and gasket can be ground with fine sandpaper or using oilstone. If there is any foreign matter on the mating surface, the machine body should be cleaned during assembly and the joint fixing bolt should be evenly tightened.
4, screw plug oil plugging oil. Plug oil plugging oil includes cone plugging, plugging and process plugging. Causes and measures: If the screw is damaged or unqualified, it should be replaced with a new one. If the screw thread is damaged, the size of the screw hole can be increased and the new oil plug can be fitted. If the taper is worn out, the tap can be tapped. Later changed to flat plug, then add pad for reuse.
5, flat seam leak. Plane seams include two planes sealed with paper pads, asbestos pads, and cork. Causes and measures: If the surface is uneven or there are grooves or burrs on the contact surface, the surface of the contact surface should be smoothed with assorted files, fine sandpaper or oilstone, and large parts can be machined with the machine. In addition, the assembly of the gasket to pass, while cleaning, put down. If the bolt is loose, tighten the fixing bolts.

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