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Repair And Maintenance Of Various Parts Of The Farm Corn Combine Harvester

Posted :2021/11/26 15:59:49      Tags:Farm Corn Combine Harvester harvestercorn harvester

Maintenance Of The Engine Of The Farm Corn Combine Harvester

The engine is the source of power for the entire farm corn combine harvester, and it should be maintained and maintained before harvesting each season. The main content of engine maintenance includes: changing the oil pan oil, maintaining and cleaning the "three filters" and water tank, checking and adjusting the valve clearance and fuel supply time to achieve the best condition. Whether the engine is easy to start, after starting, observe whether the oil pressure, engine temperature, water temperature, charging, lighting, and various instruments are correct.

Maintenance Of The Main Working Parts Of The Farm Corn Combine Harvester

(1) After the farm corn combine harvester engine is maintained, fix the speed at the calibrated speed, engage the threshing clutch, and check whether the operation of the threshing drum, fan, document stepper, screen box, auger, cutter drive mechanism and other parts meet the technical requirements , Repair or adjust if necessary. After that, lubricate the lubrication points and bearings of the entire vehicle.
(2) After inspecting and maintaining the entire farm corn combine harvester, it can be put into operation only after it is confirmed that it is correct through a test run (trial run).

Repair And Maintenance Of Various Parts Of The Farm Corn Combine Harvester

Maintenance Of Power Transmission Mechanism Of Farm Corn Combine Harvester

The power transmission of the farm corn combine harvester adopts two forms: belt and chain. The gap in the rim of the V-belt wheel can be repaired by electric welding, and the weld with the grooved bevel should be smoothed and polished after welding. Check the damage and wear of the chain drive sprocket. Visually inspect and knock the sprocket for cracks and damage, whether the jack screw is broken or sliding buckle, whether the keyway is worn, etc., if any, repair or replace it. The main wear of the sprocket is the working surface of the gear teeth. The wear makes the thickness of the gear teeth thinner. When the tooth thickness is worn by 40% and the tooth width is worn by 30%, the sprocket should be repaired or replaced. After the above wear, it can be repaired by surfacing. , When the tooth thickness is not too large, the sprocket can be turned over and installed. The lubrication of the chain and sprocket is poor during operation, the load is large, and it is easy to shake, and it is easy to adhere to dust and debris, so it wears quickly. During use, the pitch increases due to wear and the chain stretches, and its elongation should not exceed 6% of the original chain, if it exceeds this value, it should be repaired or replaced. Note that the tension of the V-belt and chain should meet the requirements. The clutch of the small corn harvester should achieve reliable engagement, no slippage, and complete separation; otherwise, it must be adjusted according to the instructions.

Maintenance Of The Operating Mechanism Of The Farm Corn Combine Harvester

Check the control mechanism under the engine running, operate the hydraulic handles to make the header, the reel, the walking stepless speed change, and the steering wheel operate several times to see if the technical requirements can be met; if there is any problem, repair or adjust, and operate Institutions should be flexible, portable, not heavy, and not stuck.

Repair And Maintenance Of Various Parts Of The Farm Corn Combine Harvester

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