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• 1,Hearthstone Wild Decks< A href='# What should I pay attention to when disassembling and installing the engine?' title='What should I pay attention to when disassembling and installing the engine?' > What should I pay attention to when disassembling and installing the engine?
• 2, What is the principle of engine disassembly?
• 3, What are the precautions for engine disassembly and installation?
• 4, Briefly describe the precautions for disassembly and installation of Volkswagen engines?

What should I pay attention to when disassembling and installing the engine?

1. When disassembling and installing the engine, it should be placed smoothly to prevent dumping and injury. Pay attention to the safety of electricity and oil, and do not smoke in the disassembly and installation site.

2. Precautions for disassembly and installation of gasoline engine: 1. Follow the principle of removing the peripheral accessories first and then disassembling the main body of the engine. Disassemble the engine in the following order: intake and exhaust pipe, starter, water pump assembly, generator assembly, oil pump, pulley assembly, valve chamber cover, gas distribution mechanism assembly, cylinder head, oil san shell.

3. Do not use a fast charger to assist the vehicle.When using a fast charger to charge the battery, the battery should be disconnected from the car. Don't try to change the polarity of the generator. When checking the on and off of the diode, do not use a test lamp above 12V.

4. Precautions when disassembling the engine. Disassembly after the engine is cooled. Disassembly after the engine is cooled. First, it is easy to disassemble, and second, it is easy to prevent deformation during disassembly, because the temperature is high, the rigidity is weakened, and it is easy to deform.

5. Auto repair professional simulation interview questions What should I pay attention to during the engine disassembly and installation process? When assembling, the parts, assemblies, tools and the assembly site must be kept clean. The assemblies and parts to be assembled must be checked or tested to confirm that they are qualified.

6. Precautions include: when disassembling and installing the engine, it is necessary to comply with the safety operating procedures to ensure safety during operation.During the disassembly process, it is necessary to use the right tools and equipment to avoid damage or injury caused by the use of inappropriate tools or equipment.

What is the principle of engine disassembly?

The principle of overall engine disassembly and installation: park the car on a flat, smooth and clean ground.Cover the front and rear wheels of the car with triangular wood to prevent the car from moving. After the engine exhaust system and cooling system are completely cooled, release the cooling water; release the fuel pressure in the fuel pipe and remove the fuel pipe.

Notes on disassembly and installation of gasoline engine: 1. Follow the principle of removing the peripheral accessories first and then disassembling the main body of the engine. Disassemble the engine in the following order: intake and exhaust pipe, starter, water pump assembly, generator assembly, oil pump, pulley assembly, valve chamber cover, gas distribution mechanism assembly, cylinder head, oil san shell.

Engine disassembly principle: from auxiliary to main, from external to internal. The process of removing the engine from the frame: (1) Release the water and engine oil in the tank, turn off the switch of the car fuel tank, and remove the oil pipe connector of the oil pump. ( 2) Remove the power cord and the cable on the generator.

Disassemble the engine in the order of the machine, assembly, parts, assembly and parts. Pay attention to proofreading the assembly marks when disassembling to ensure the original assembly. When disassembling various threaded joints, the complete disassembly of the threaded joints can only be ensured in a professional symmetrical order. Disassembly of engine cylinder block parts Place the engine vertically.

When disassembling the bolts in groups, they should be removed from both sides to the middle, and divided into 2-3 times according to the principle of diagonal lines. When installing, tighten it 2-3 times from the middle to the sides according to the diagonal principle. If there is a specified torque requirement, it should be tightened according to the prescribed torque. Parts with strict position requirements cannot be used interchanged.

Remove the fixing screw of the cylinder head, note that the screw should be cross-spinned from both ends to the middle, and remove the screw in 3 times. 2) Lift the cylinder head.Remove the cylinder pad and pay attention to the installation direction of the cylinder pad. Loosen the oil release screw of the oil span shell to release the oil in the oil span shell.

What are the precautions for engine disassembly and installation?

1. Precautions for disassembly and installation of gasoline engine: 1. Follow the principle of removing the peripheral accessories first and then disassembling the main body of the engine. Disassemble the engine in the following order: intake and exhaust pipe, starter, water pump assembly, generator assembly, oil pump, pulley assembly, valve chamber cover, gas distribution mechanism assembly, cylinder head, oil san shell.

2. Do not disassemble and install the car engine at high temperatures. Disassembly after the engine cools down: First, it is easy to disassemble. The second is to prevent deformation during disassembly, because the temperature is high, the rigidity weakens and it is easy to deform.

3. No matter why the battery is removed, the iron polarity must be correct when reinstalling. If the iron polarity is reversed, it will cause damage to the generator diode rectifier.

4. Precautions when disassembling the engine. Disassembly after the engine is cooled. Disassembly after the engine is cooled. First, it is easy to disassemble, and second, it is easy to prevent deformation during disassembly, because the temperature is high, the rigidity is weakened, and it is easy to deform.

5. Precautions when disassembling the engine: Disassemble after the engine cools down. Disassembly after the engine is cooled, firstly, it is easy to disassemble, and secondly, it prevents deformation during disassembly, because the temperature is high, the rigidity weakens and it is easy to deform. Do not warp and deform the oil sup shell when disassembling. Do not warp hard and deform at high temperatures, otherwise oil will leak after installation.

Briefly describe the precautions for disassembly and installation of Volkswagen engines?

Remove the fixing screw of the cylinder head, pay attention to the screw should be crossed and loosened from both ends to the middle, and remove the screw in 3 times. System 2) Lift the cylinder head. Remove the cylinder pad and pay attention to the installation direction of the cylinder pad. Loosen the oil release screw of the oil span shell to release the oil in the oil span shell.

Emission of engine oil: Before starting to disassemble and install the engine, it is necessary to discharge the engine oil cleanly to ensure that other parts will not be contaminated by the oil during the disassembly and installation process. Disassembly of engine accessories: After discharging the oil, it is necessary to disassemble engine accessories, such as generators, air conditioner compressors, water pumps, etc.

Precautions when disassembling the engine. Disassemble the engine after cooling. First, it is easy to disassemble; second, it can prevent deformation during disassembly.Because of the high temperature, the rigidity weakens and it is easy to deform. Remove the oil sash and don't twist it.

No matter why the battery is removed, the iron polarity must be correct when reinstalling. If the iron polarity is reversed, it will cause damage to the generator diode rectifier.

Safety precautions during disassembly and installation Learn the working rules of the laboratory, establish the concept of safety first, and avoid personal and equipment accidents. Wear fitted work clothes and work shoes as required, and avoid wearing smooth-soled sneakers.

Notes on the disassembly and installation order of the engine: Do not scratch the valve seat, and the valve oil seal should be replaced with a new one.