Emergency repair of common breakdowns of agricultural vehicles and tractors

First, agricultural vehicles
1. If the cylinder mat burns and burns a small area, fill it with an asbestos thread. When the burned area is large, you can cut a piece of shimming from the same part of the waste cylinder gasket of the same thickness, and gently tap it to make the joint well. If the burnout is between two cylinders, the asbestos thread should be wrapped in copper.
2. If the radiator leaks into and out of the water hose, if there is a little breakage, use a piece of cloth to coat the soap and wrap the leak, and then tie it tightly with the wire. If the crack is severe, cut it into two sections with a knife from the broken place of the hose. Bamboo tubes, etc., are placed between the hoses, and then tied with wire and then loaded; when the radiator core copper tube has a slight leak, soap can be used to stick the leak. If the leak is serious, use pliers to clamp the leak so that it does not leak.
3, if the valve spring breaks only one, you can use the two broken springs to install and use them. If the spring breaks several places, the multi-cylinder machine can remove the inlet and exhaust valve adjusting bolts of the cylinder and close the valve. The cylinder stopped working and cut off the oil.
4. Sudden loss of power in the middle of the road When suddenly the horn does not ring, no light, and the starter does not turn, it means that the vehicle is completely off. At this time, you can first check whether the pile head of the battery is loose. Do not squatting when inspected. You can use a pair of pliers to test the two pile heads. If there is no spark, then the pile head is loose and tighten with a wrench. If the pile head is tight and clean, the power is still clear. Un-eliminated can check the connection status of the two-pole wire, such as poor contact, repair in time; if the battery has a single-cell damage, the copper wire can be directly used to connect the good cell.
5, clutch slippery If the Department of friction film stained with oil, you can step on the clutch pedal, use gasoline to install the oil gun, the flywheel friction plate, clutch pressure plate between the gap to shoot, so that the above oil dissolved can be temporary (such as When oil-free guns and substitutes are used, plastic pipes or rubber hoses can be used to suck oil to align the shots; if the friction plates slip due to burning, the burned parts can be roughened, but the starting should be smooth while driving, and the speed change action should be rapid. .
6, leaf spring break according to the situation in the leaf spring, the bridge and the mat between the wooden blocks, tied with iron wire and other temporarily used to replace the repair point.
7, no jacks replace the tires replace the double row of tires outside the wheel, available wood or stone, brick will be lifted from the inner wheel, so that the outer wheel is vacant, you can remove; replace the front wheel or single tire, available wood or brick The front axle or rear axle of the stone will be stable, digging underneath the tire to be dismantled so that the tire can be floated, and can be replaced; a flat top wood inclined top is needed under the front or rear axle of the tire change, and then the car is started. The top wood will be lifted from the front axle or the rear axle. When the top wood is vertically stabilized, the tire can be replaced.
8, fan tape damage fan tape damage, mostly broken. Several ropes can be used to fasten the strands. The length and thickness should be similar to those of the original fan tape. However, the ropes must be flashed in the middle and cannot be exposed. Then they can be tightly tied with iron wire; the two fan heads of the original fan tape can be broken at the same time. Holes, temporarily connected with coarse wire. However, the law should test the engine for a few minutes to check if the fan rotation is normal.
Second, tractor
1, Qiao row of high-pressure tubing wear oil leakage tractor tractor high-pressure tubing at both ends of the nose and the injector, the oil valve leakage wear leakage phenomenon, can be cut from the waste cylinder mat round copper, a small middle The hole is smooth and smooth, and the pad can solve the urgency.
2. Inadequate fuel supply due to sudden bursts of oil supply during tractor operation. Insufficient oil supply during operation of the tractor. Air exhaust, replacement of the plunger, and injector are still not effective. It is the small steel ball in the injector pin of the injector. Grinding can not be caused by atomization. At this point, a small steel ball should be replaced, and if not, a bicycle flywheel steel ball can be used instead.
3, Qiao row steering wheel vibration, the front wheel swing head failure occurred steering wheel shake and shake the front wheel phenomenon, mainly due to improper front wheel positioning, the kingpin is too small. In the absence of instrument detection, try to add a wedge-shaped iron piece to the rear end of the plane of the leaf spring and the front axle support so that the front axle can be turned back and then the caster angle can be increased. After the trial run, it can return to normal.
4. In the tractor running with free gear shifting after the speed change, the free skip phenomenon occurs after shifting, which is mainly due to the wear of the fork shaft slot, weakening of the fork spring, and the excessive clearance of the connecting rod joint. At this time, repair slot should be used, fork spring should be replaced, and the gap between connecting rods should be reduced. After shifting into position, normal speed can be ensured.
5. Faults with poor performance of the oil pump to solve the problem that when the overhaul or overhauled locomotive starts the oil pump for the first time, the oil pump should not be pumped up. The oil filter or the oil discharge pipe should be removed, and then the oil hole should be used from the oil hole. Fill up the oil and immediately put on the filter or the oil pipe leading to the oil indicator. After starting, the oil will be pumped up.
6, Qiao row of hydraulic tubing fatigue fracture failure Hydraulic tubing due to frequent changes in oil pressure and high oil temperature, resulting in the frequent expansion of the pipe wall, easily lead to fatigue damage caused accidents. To effectively prolong the service life of the hydraulic hose, it is best to use a thin wire to burn into the tubing for support.
7, Qiao row hydraulic brake brake failure failure to carefully check the brake master cylinder and the sub-pump, whether to replace the brake oil on time, to completely eliminate the brake pipe air, and to see whether the brake pedal meets the scientific height. The pneumatic braking locomotive must check to adjust the maximum brake working pressure and check whether the brake cup and hose have abnormal changes.
8, Qiao row diesel engine oil burning blue smoke malfunction Diesel engine oil blue smoke, in addition to check the cylinder sleeve piston group wear, whether the piston ring elastic weakened, oil sump oil is added excessive, air filter oil surface is too high After the reasons have not been solved, attention should be paid to checking whether the gap between the valve stem and the valve guide is too large as a potential cause.
9. Qiao Drainage Causes Excess Engine Temperature Too High Failure of the engine cooling pump can lead to excessive engine temperature, accelerated component wear, reduced power consumption, and burned lubrication pump oil. The most scientific approach is to pick two large loofahs, remove the skins and seeds, and put them in the water tank after cleaning. Regular replacement will remove scale. Water tank water should not be changed frequently. Changing the ground will increase the formation of scale.
10, clever row of inner tube slow spread gas failure rubber inner tube slowly spread gas, inner air should be exhausted as far as possible, use a stiff paper to be a funnel to insert the valve, take two tablespoons of talcum poured into the inner tube, after the valve core is installed according to the standard charge Good air. The talcum powder is diffusely adhered to the tire's sidewall after being dispersed in the fetus, which can effectively prevent the tiny pores from spreading slowly and effectively.

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