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 uranium and the hole wear each other, the shifter shaft of the starter and the clutch handle shaft can be cut out of the seal ring groove on the lathe, and the corresponding size of the seal ring 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 the appropriate 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 fittings include pipe fittings on the two pressure gauges, 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 high pressure oil pipe fittings are deformed or cracked, 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, you can change the plastic gasket, or use it to repair flattening, or you can use sandpaper to grind flat, serious 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 mats, asbestos mats, and soft books; reasons and measures: if uneven contact surfaces or grooves or burrs on the contact surfaces, the use of assorted files should be based on the unevenness of the contact surfaces. , fine sandpaper or oil stone polished, large size can be used machine tool iron. 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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