3.5.18.8. Piston rings
Arrangement of piston rings on the piston
Arrangement of locks of piston rings of petrol engines
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I – top and lower sealing rings
II – a maslootrazhatelny ring |
Arrangement of locks of piston rings
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I – top sealing ring
II – the second sealing ring
III – an oil scraper ring |
Installation
Before installation of new piston rings check a gap in the ring lock.
Arrange pistons and piston rings according to cylinders in which they will work.
| PERFORMANCE ORDER |
| 1. Install the top sealing ring in the first cylinder and the bottom of the piston push it in the cylinder to the cylinder basis. |
Prevention
The top and average sealing rings are various, an external surface of an average ring conical.
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| 2. Using the probe, measure a gap in the ring lock. |
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3. Repeat process of measurement with the ring established in the top part of the cylinder, and compare results of measurement to specifications. |
| 4. If a gap too small, it it is necessary to increase, soshlifovyvy ring end faces. |
| 5. If a gap in the ring lock too big, check correctness compliance of rings to your engine. |
| 6. Repeat operation of check for each ring in the first cylinder and then for rings in other cylinders. |
| 7. Install piston rings on pistons in the same way, as well as at removal. |
| 8. After installation of piston rings on the piston check ease of movement of a piston ring in a flute of the piston and put locks of piston rings. |
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