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20101112

Poppet Valve Installation







Use of the valve - to open or close the pores, or channels to allow an element into or out of it ......


i)             Head - Different sizes, large size is for the inlet valves and the small size is for the exhaust valve.
ii) Margin - Indicates the thickness of the valve head with the valve face. Margin has the minimum thickness, if it was up to the minimum so it should be replaced.
iii) Front-valve - The place where the meeting must be attached or close.
iv) Seated valve - it should be rolled or digesek to ensure always flat. Combination of the two angles are 45 or 60 degrees.
v) spring - To close the valve while the valve is opened the cam.



The composition of the valve of the engine (head L, I, F, T)

           
There are four types of arrangement of the engine valve


Piston Installation
Piston installation of pistons, piston rings and connecting rod

 Piston head
Designed with a variety of forms for the vortex in the air when the stroke occurred.

 Compression rings
Serves to provide the barrier between the piston and cylinder heat transfer from piston to cylinder wall. Menpunyai various forms for the purpose of guarding.


 Oil rings
To control the lubrication in the cylinder wall eroded by excessive lubricant on the cylinder wall.


Piston pins
Connecting the piston to the connecting rod. There are three ways of installing it on the piston pin and connecting rod.


 Piston-shirtPart shirts piston is to the stability of the moving piston in the cylinder, while it also is to receive and conduct heat to the cylinder. Because of the hot piston and expands the measures to control the development made to prevent stagnant.


   Connecting rod and bearing insert
- Has two parts, the small end and big end.
Great tip roll attached to the shaft with the bearing insert







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