Common sense of operation and maintenance of the h

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Common sense of use and maintenance of high-power wheeled tractors

I. www.mechnet com. cn/"> precautions in the use of Tractors:

1. New or overhauled tractors must be run in before they can be used normally. Shorten the service life of tractors.

2. All parts of tractors should be used in strict accordance with the oil products and solutions recommended by the manufacturer.

3. It is not necessary to increase the engine speed only by controlling the throttle.

4. Always check the bolts, nuts and other loose parts at all connecting parts.

5 During the maintenance of the electrical system, the grounding wire of the battery must be removed first to avoid the burning of electrical parts

6. Before inspecting, adjusting and maintaining the tractor and agricultural machines and tools, stop the engine, put the gear lever and power take-off lever in neutral, lock the parking brake, and keep all moving parts stationary

7. When towing a trailer, the tow hook must be used instead of the three-point suspension

8. When the tractor is driving with suspended agricultural machines and tools, the position control handle should be placed in the rising position, and the agricultural machines and tools suddenly fall down, causing an accident. Lock the farm tools to prevent the lifting handle from being touched. 9. The adjustment and installation of tires must be carried out by experienced personnel using special tools to avoid serious accidents caused by incorrect tire installation. 10. Do not screw down the water tank cover when the engine is working. Screw down the water tank cover only after the engine is stopped and cooled

II. General knowledge of tractor operation

1. It is forbidden to start and jerk up the clutch. Slowly release the clutch pedal and increase the accelerator appropriately at the same time. Otherwise, it will cause the impact of clutch assembly and transmission parts, and even damage the valve rotor pump

2. The auxiliary clutch cannot be pulled up (disengaged) for a long time, otherwise it will cause early damage to the clutch. Attention should be paid

3. It is strictly forbidden for the tractor to shift to neutral or step down to slide down the slope away from the upper pressure plate installed on the upper fixed crossbeam

4. Steering of tractor

when turning the tractor, reduce the throttle or shift to low gear, and do not use unilateral braking for sharp turns

5. The selection of gear shift and working speed of the tractor will cause the clutch assembly to operate the steering wheel to turn when the driving speed of the tractor decreases. The tractor runs at high speed

choosing the correct working speed of the tractor can not only obtain the best productivity and economy, but also prolong the service life of the tractor. When the tractor is working, it should not be overloaded frequently, and the engine should have a certain power reserve. The selection of tractor field working speed should make the engine work under about 80% load

6. Use of tractor differential lock

when the tractor is working, the differential lock generally remains separated. When the tractor rear wheel slips seriously on one side (or when in the pit), step down the differential lock control pedal and keep it at this position to combine the differential lock and drive the tractor out of the slippery section. When the differential lock is engaged, the tractor cannot turn, otherwise it will cause abnormal tire wear, damage the central transmission, and even overturn

7. Tractor braking

generally, reduce the engine throttle first, then step on the main clutch pedal, and then gradually step on the driving brake control pedal to make the tractor stop smoothly. In case of emergency braking, depress the main clutch pedal and the travel brake control pedal at the same time. During traveling, the driver is not allowed to put his foot on the brake pedal or clutch pedal. Special reminder: when the tractor is driving on the road, be sure to interlock the left and right brake pedals. When the tractor stops on a slope, you should wait for the engine to shut down and shift to the upper gear before releasing the driving brake pedal. When you go uphill, shift to the forward gear and when you go downhill, shift to the gear

8. Operation of front wheel drive

when the tractor is working under heavy load in the field or on wet and soft soil, it is usually connected to the front drive axle. When the tractor is doing general transportation on hard roads, it is not allowed to connect the front drive axle, otherwise it will cause early wear of the front wheels

9. Lee Kuan Yew believes that the hydraulic output valve and its operation realize four-wheel drive operation

the tractor is equipped with a single acting or double acting hydraulic output valve, and the joystick of the hydraulic output valve controls the single acting or double acting oil cylinder on the farm tool. Before the puller leaves the factory, the hydraulic output valve is adjusted to double acting. If you need to match a single acting farm tool, the user can adjust it to single acting hydraulic output

10. Requirements for tractor oil:

1). Choose diesel of different brands according to different environments and seasons. It is strictly forbidden to mix diesel of different brands. 1

2). The fuel oil and transmission hydraulic dual-purpose oil added to the oil tank must be filtered or precipitated for at least 48 hours before they can be added for use

3). Do not refuel the fuel tank when the engine is running. If the tractor is working in hot or sunlight, the fuel tank cannot be filled up. Otherwise, the fuel will overflow due to expansion. Once overflowed, wipe it dry immediately

III. tractor maintenance:

the tractor must be run in before use, otherwise the service life of the tractor will be shortened. During the use of the tractor, due to the influence of various adverse factors, the working capacity of parts will gradually reduce or disappear, fuel, lubricating oil, coolant and other substances will be gradually consumed, and the technical state of the whole machine will deteriorate. Therefore, the tractor must be maintained by cleaning, fastening, adjusting, replacing, adding and other methods in time to maintain the normal working state of the tractor

after running in, the tractor must immediately carry out comprehensive technical maintenance. The technical maintenance contents are as follows:

(1) after shutdown, drain the oil in the engine oil pan and the steering system oil tank while it is hot, clean the oil pan, oil filter, diesel filter, oil filter, air filter and the filter in the steering oil tank, replace the diesel filter element and oil filter, and inject new lubricating oil. Drain the lubricating oil of the drive train, lifter and front drive axle while it is hot, and remove the oil suction filter of the lifter for cleaning. After reinstallation, fill the drive train with new transmission hydraulic dual-purpose oil n100d as required

(2) drain the cooling water and add new coolant. (when the temperature is lower than 0 ℃ in winter, the cooling system of the tractor engine should be filled with antifreeze according to the description of whether the fire surface of the 2014 Sample is any one side. If the tractor is not filled with antifreeze, the water should be drained when it is stopped to prevent the water from freezing and cracking the body.) 3) Check the free stroke of clutch and brake, and adjust it if necessary. 4) Check and tighten all external bolts, nuts and screws. 5) Apply grease to all parts of the tractor that need to be greased according to the operation and maintenance instructions

(6) check the front and rear tire pressure, and inflate it according to the specified value if it is insufficient

(7) check whether the tractor has air leakage, oil leakage, water leakage and other phenomena. If there is

(8) maintain the diesel engine according to the requirements of the operation manual. 4、 How to select agricultural machines and tools for high-power (horsepower) wheeled tractors: it should be eliminated

the matching of agricultural tools and tractors should be reasonable. When the efficiency of tractors is greater than that of agricultural tools, the economy of operation is poor and agricultural tools are easy to be damaged; When the efficiency of agricultural tools is greater than that of tractors, the power of tractors is poor, and the operation efficiency of agricultural tools is low, or even unable to operate. Therefore, when selecting agricultural implements, the supporting power on the agricultural implement instruction manual should be consistent with the power of the supporting tractor, and the speed of the agricultural implement must be consistent with the speed of the tractor power output. Before connecting the farm tool with the tractor linkage, necessary adjustments should be made according to the "farm tool operation manual"


1. When the tractor power take-off shaft is working with farm tools, the tractor cannot turn sharply to prevent damage to the universal joint

2. Before adjusting the farm tool, you must first separate the power take-off shaft clutch, return the joystick to neutral and shut down the engine

3. Before using the power take-off shaft to drive the farm tools, the matching rationality of the tractor and the driving farm tools should be checked. In general, during farming, the included angle between the power take-off shaft and the universal joint transmission shaft should not be greater than 10 degrees. After turning and lifting the farm tools, the included angle between the power take-off shaft and the input shaft of the farm tools and the transmission shaft should not be greater than 30 degrees. At this time, the height of the rotary cultivator blade from the ground should not be less than 250mm. At the same time, check whether the safety clutch on the universal drive shaft of the farm tool is effective, and the safety clutch should slip under overload

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