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List of the table of contents of this article:

• 1, Are the two top cups in the engine of the air-cooled diesel micro-cultivator about the right?
• 2, How to distinguish the front, rear, left and right of the engine?
• 3 、 How to distinguish the left and right exhaust pipes of the v6 engine?

Are the two top cups in the engine of the air-cooled diesel micro-cultivator about the right?

Reason: the straight rod or guide hole has a large cylindricality, roundness deviation, or cooperate with looseness;Due to the wear and deformation of the spherical surface at the large end of the bar or the cam (the cam loses its original axial slope), the rod does not rotate or rotates inflexibly in the guide hole; the splash lubrication is poor.

Cylinder-by-cylinder adjustment method Turn the crankshaft to the 1 cylinder compression end, and adjust the intake and exhaust valve of the 1 cylinder. Then shake the crankshaft, make the next cylinder reach the compression end in the order of ignition, and then adjust the intake and exhaust valve of this cylinder, and so on until the adjustment is completed one by cylinder.

"Hydraulic top cup" and "hydraulic top rod": have the same function and function; but their components are different, the structural principle is different, the installation position is different, and the type of engine used is also different. Therefore, the two of them are basically two different things.

The engine foot mat is aging. The foot pad supports the engine. After aging, it cannot work normally. Just replace it.There are many plastic parts in the engine compartment, such as the engine cover, intake pipe, etc., which collide with the engine compartment when loose, causing abnormal noise. Just tighten the scattered plastic parts.

How to distinguish the front, rear, left and right of the engine?

This is: one end of the engine fan is the front end of the engine;One end of the flywheel is the rear end. From this, the serial number of the cylinder is derived: the first cylinder at the front is 1 cylinder, and the rear row is 2 cylinders, 3 cylinders... If the cylinders are arranged in a V-shape, it is: 1 cylinder, 2 cylinders, 3 cylinders in the left row... Right row.. Tank and so on.

The engine is not divided into before and after. There is a water pump, and the crankshaft wheel is in the front, and the position of a cylinder [If there is a problem with the car, ask the car master. 4S store professional technician, 10 minutes to solve.

The other end of the flywheel is the rear end of the engine. It can be distinguished by observing the screw holes. Generally, there is a thick screw hole at the rear end of the engine, which is used to install the gearbox. The front end of the engine is usually a small hole to install a timing belt cover or timing chain cover.

When identifying the piston, the piston thrust should be used to face the right side of the quasi-engine. If the left and right skirts of the piston are the same, the expansion groove or hole is aimed at the left side of the engine.

First, determine a position of the cam of the 1 cylinder of the camshaft and rotate it according to the rotation direction of the camshaft (generally consistent with the crankshaft steering). The cams of other cylinders will pass through this position in the order of ignition. After rotating for a circle, the ignition order of the machine can be determined.

Generally within 3°, the transmission shaft also has the shortest distance. If the gearbox is determined, the engine will also be determined. Now it is basically arranged to the shortest limit after the rear suspension. Combined with the departure angle and whether the corner under the rear circumference can be wrapped, it is basically the same, and now it is modular.

How to distinguish the left and right exhaust pipes of the v6 engine?

1. Finally, we can also judge the direction of the intake and exhaust pipes by observing their positions.The intake pipe is usually close to the front of the engine, while the exhaust pipe is close to the side or back of the engine. In some models, the intake pipe and the exhaust pipe are also marked in different colors to help us distinguish their direction faster.

2. The exhaust pipe is bilateral single output. For V-type engine models, there are exhaust branch pipes on both sides of the engine, so bilateral single output or bilateral double output must be adopted, and bilateral double output is less firm, and bilateral single output is usually used.

3. Drive for a while to check whether the engine oil is missing and whether the exhaust pipe is still blue smoke. Measure the cylinder pressure, and the cylinder pressure is normal: that should be the burning oil caused by the aging and damage of the valve oil seal, and replace the valve oil seal. It is recommended to replace all oil seals.