HATZ engine parts of E780piston
More items(Ford)
510E, 592E, Tractor Major 4000 4600 4610, H1425, 90963, 2T15E, BSD333H
Piston surface treatments
Ring Introduction
Top Ring
Referred to as the"upper compression ring".The upper compression ring is the piston ring that operates under the harshest conditions with respect to thermal and mechanical loading . Its job is to form a gas-tight barrier between the piston and cylinder wall in order to seal the combustion chamber.
Second Ring
Referred to as the"lower compression ring".One of its job is to work together with the top ring in order to"seal"the combustion chamber.
Oil Ring
As its name"oil control ring" implies, this ring scrapes excess lubricating oil off the cylinder wall,maintaining proper lubrication while keeping oil consumption within proper limits.
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