| 1. Carefully examine all pistons on presence of cracks on a skirt of the piston and on a surface around шатунного a finger. Examine pistons on presence of scratches, задиров, the scorched areas or corrosion. |
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2. By means of the special tool or a slice of the broken piston ring clean flutes of piston rings. After removal of all adjournment clear pistons and rods solvent and dry up them. |
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3. Measure backlashes in locks of piston rings. If backlashes exceeds admissible limits, it is necessary to replace rings. |
| 4. Measure a backlash between rings and lateral surfaces of flutes of rings. The backlash should there are in limits of 0,075 mm, otherwise replace rings. |
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5. Measure a backlash between the piston and the cylinder, for this purpose measure diameter of the piston to perpendicularly piston finger and measure diameter of the cylinder. Take away diameter of the piston from diameter of the cylinder and divide into two. If the backlash exceeds admissible limits, the cylinder it is necessary to chisel and establish the new piston and new piston rings. The sizes of the piston are stamped on a piston head. |