Check of a gap between the piston and a finger. AZLK 2141 (Muscovite)
Service and car repairs of 2141 - the Muscovite.
1. General data
2. Engines
3. Power supply system
4. Cooling system
4.1. Thermostat
4.2. Thermal mode of the engine
4.3. Installation of ignition on the engine of fashion. 2106
4.4. Installation of ignition on engines of fashion. 331 and 3317
4.5. Installation of the drive of the distributor of ignition on engines of fashion. 331 and 3317
4.6. Replacement of spark plugs
4.7. Possible malfunctions of engines, their reasons and methods of elimination
4.8. Features of repair of the engine of fashion. 2106
4.8.1. Features of dismantling of the engine of fashion. 2106
4.8.2. Features of assembly of the engine of fashion. 2106
4.8.3. Assessment of technical condition of knots and systems of the engine of fashion. 2106
4.8.4. Conrod and piston group
4.8.4.1. Selection of the piston to the cylinder
4.8.4.2. Control of mass of pistons
4.8.4.3. Vypressovka of a piston finger
4.8.4.4. Check of a gap between the piston and a finger
4.8.4.5. Check of gaps between flutes of the piston and piston rings
4.8.4.6. Assembly of conrod and piston group
4.8.5. Bent shaft and flywheel
4.8.6. Oil pump of the engine
4.8.7. Head of the block of cylinders and valvate mechanism
4.8.8. Camshaft and its drive
4.9. Features of repair of the engine of fashion. 331, 3317 and 3313
5. Transmission
6. Running gear
7. Tires, wheels
8. Steering
9. Brake management
10. Body
11. Electric equipment
12. Electrical circuitries
 










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4.8.4.4. Check of a gap between the piston and a finger


Check of correctness of selection of a piston finger of the engine of fashion. 2106



Check of landing of a piston finger of the engine of fashion. 2106


The finger is pressed in the top head of a rod with a tightness and freely rotates in piston lugs with a gap 0,08... 0,016 mm.

Fingers, and also openings in lugs of the piston divide by the sizes into three groups through 0,004 mm and mark paint from smaller to bigger: blue, green, red. The piston, a finger and a rod installed in one cylinder of the engine have to be one dimensional group.

Interface of a piston finger and the piston check, implanting the finger which is previously oiled engine into a piston lug opening. It is necessary for the correct interface that the piston finger entered an opening from pressing of a thumb of a hand (fig. Check of correctness of selection of a piston finger of the engine of fashion. 2106) also did not drop out of a lug (fig. Check of landing of a piston finger of the engine of fashion. 2106), if to keep the piston with a piston finger in vertical position.

The finger having of a lug to replace with another, the following category. If in the piston a finger of the third category then to replace the piston with a finger.


4.8.4.3. Vypressovka of a piston finger

4.8.4.5. Check of gaps between flutes of the piston and piston rings