Pistons and rings
(→KB ring gap and piston to wall clearance instructions: clean up) |
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=Rings= | =Rings= | ||
| − | For descriptions of the various ring types of compression rings and their location (top or second), see [http://www.federalmogul.com/korihandbook/en/section_18.htm Piston Ring Types] from the [http://www.federalmogul.com/korihandbook/en/index.htm Federal Mogul Piston Ring Handbook | + | For descriptions of the various ring types of compression rings and their location (top or second), see [http://www.federalmogul.com/korihandbook/en/section_18.htm '''Piston Ring Types'''] from the [http://www.federalmogul.com/korihandbook/en/index.htm '''Federal Mogul Piston Ring Handbook''']. |
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==How to square the ring in the bore== | ==How to square the ring in the bore== | ||
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==Ring end gap clearances== | ==Ring end gap clearances== | ||
| + | [[File:Ring butt1.jpg|thumb|right|500px|Broken ring lands]] | ||
| + | Ring end gap clearance has to be checked and verified or severe engine damage can result. As a general rule, because ring end butting has to be avoided at all costs. If an error is to be made it is far safer to set the end gap too wide than to have too little ring end gap. Insufficient ring end gap will cause the ring ends to butt together, scoring the cylinder wall, severely wearing the ring(s), and a distinct possibility of piston failure due to the ring lands breaking. | ||
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| + | The following are general recommendations. Consult the manufacturer's instructions and use that if they vary from these recommendations. <br style="clear:both"/> | ||
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Unless otherwise instructed by the ring or piston manufacturer, a safe ring end gap clearance is: | Unless otherwise instructed by the ring or piston manufacturer, a safe ring end gap clearance is: | ||
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