1, according to maintenance regulations on time and technical maintenance.

2. When the engine is running in, generally running at low speed, medium speed and high speed for several minutes, abnormal sound and abnormal phenomena (severe smoke, oil leakage, instrument malfunction, etc.) should be detected and immediately stopped.

3. The running-in of the hydraulic system can be performed during the idling running-in period of the tractor and before the running-in of the load. Generally, the joystick should be placed in different working positions, and the suspension mechanism should be able to be lifted smoothly and rapidly without dropping, and the hydraulic system is separated. When "up" and "pressure drop" position, it should be able to automatically jump back to the neutral position, "floating" position can not be moved back. And continue to lift 20 --- 30 times, no abnormal phenomenon will end. After the hydraulic system runs-in, it is necessary to pay attention to the off-board handle of the hydraulic oil pump in the disengaged position, so that the oil pump stops working, so as to avoid the hydraulic oil pump working frequently during the running-in process of the tractor and accelerating the wear of the parts of the hydraulic oil pump.

4. After the tractor is idling, replace the engine oil sump oil, and clean the oil and diesel filter.

5, after the tractor load running is completed, you must thoroughly clean the oil pan, gearbox, replace the various parts of the lubricating oil. In order to avoid the lubricating oil with a large amount of metal shavings to continue to work, causing heavy wear and tear on the parts. And comprehensive inspection of the valve train, crank linkage mechanism B clutch, gearbox, rear axle and walking system. Adjust valve clearance, tighten cylinder head nuts, check for wear of connecting rod bush and main bearing bushes, tighten bolts and nuts, and perform clutch free stroke, working idle, engagement marks and backlash of central turning device, joystick, Check brake pedal stroke adjustment. Special attention should be paid to checking the engine fulcrum, the front fulcrum of the transmission, the steering clutch passive drum and the receiving plate, the gantry platform, and the driving wheels, etc., for tightening the bolts and nuts of the various parts. (The inspection of these items should preferably be carried out earlier.)

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