Творческие работы учащихся

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Basic methods of control and diagnostics, equipment and instruments Completed by Astafiev V . A Checked Loginova Y . M

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Diagnostic scanner A diagnostic scanner is an electronic device connected to the vehicle's diagnostic connector that automobile you to read errors from control units

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Stethoscope The stethoscope is designed to detect abnormal noises that indicate abnormal operation of the engine's mechanical systems.

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Endoscope An endoscope is a device that allows you to literally look inside the engine to assess the degree of wear, contamination, etc. of individual structural elements.

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Compression meter A compression meter is a device for determining the pressure in the combustion chamber at the end of the compression stroke when the engine is cranked by the starter.

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Pneumotester A pneumotester allows not only to determine the degree of tightness of the combustion chamber, but also to determine the cause of its violation,

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Motor testers The difference between a motor tester is that it can not only display oscillograms of any measured circuits, but also make comprehensive assessments of engine performance using several parameters at once

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Spark plug tester Allows you to visually check the operation of spark plugs without installing them on the engine.

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Vacuum gauge A vacuum gauge is widely used to measure vacuum in all types of gasoline engines.

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Conclusion Diagnostic tools help monitor and identify engine faults and monitor engine performance .

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Performed by a student of the TEDM-43 group, Ivan Zazikin

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Eqipment reqirments made to it Inspection equipment includes inspection ditches and over passes This type of garage equipmant is suhdivided into : inspection liftins and thansporting equipment and is designed to provide access for maintenance and repair to the units and assemblies of vehicles

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Lifting equipment of this type consists of a structure of four supports on which a working platform or two separate ladders are installed. Such devices, as a rule, have large dimensions and high load capacity (up to 45 tons), which determines the main scope of their application – maintenance of trucks, buses and special equipment. Four-post lifts are well suited for use at control posts and for adjusting the angle of installation of wheels (camber-convergence). However, many standard procedures will not be possible to perform on such equipment, since vehicles are lifted not over the thresholds, as is the case with other types of lifts, but over the wheels.

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The parallelogram lift consists of supports with two scissor mechanisms that hold two parallel ladders or a solid work area. Such devices can be both mobile and stationary, while in the latter case it is possible to install a lift flush with the floor. Hydraulic cylinders are usually used as drives, which allow you to quickly, smoothly and without distortion lift the car to the desired height.

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Plunger lifts are universal. Such devices are needed for node maintenance, car running repairs, bodywork, etc. There are models with a platform, paws. Plunger lifts are mounted in an upright position. The whole mechanism consists of large cylinders, a working rod, and a lifting platform. Oil is injected during operation. There are two versions of plunger lifts: placement without a recess and with it

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The most budget option for a car service is a lift with one rack. The load capacity of stationary single-column lifts can reach 2500 kg, mobile - up to 800 kg. Such a load capacity of mobile lifts with one rack is provided by equipping with safety mechanisms that replace the anchor fastening.

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Car lifts with two racks are the most common type of lifts in car service stations. The structure consists of two racks and legs (brackets) attached to them. The maximum weight allowed for lifting on double-column lifts can reach up to 5 tons, so they are used when working with passenger and freight transport. Thanks to the sliding legs, it is possible to service cars with short and long bases. The design features provide access to the entire chassis of the car.

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conclusion There is wide variety of lifting-equipment. Automobile repair is not possible without this type of equipment