Piston Oil Ring Installation

However the second ring also provides a bit of oil control.

Piston oil ring installation.

Here are proven methods for how to in. How to install piston rings. 10 install oil ring assembly as usual. Place the ring squarely into the piston groove taking care to keep it flat.

Proper installation of piston rings is a critical step in engine assembly. Step 1 install the upper rail before installing the bottom rail. Work the opened ring down from the top of the piston to the oil groove. Install rings labelled top with the lettering facing upwards towards the piston crown.

If you attempt to install the lower rail fi st the assembly will become tangled as the rail passes over the expander gap. The oil ring s main function is to control the amount of oil that makes it between the piston and bore which is necessary for lubrication and heat transfer purposes. The rings allow sealing of combustion pressure they scrape the oil from the cylinder surface and also transfer heat from the piston into the cylinder wall. In the case of oil control rings with coil supported spring lock washers the.

Do not over expand the piston rings. The bottom oil ring is actually made up of three different rings two narrow rails and one expander. Install oil ring support rails on the bottom of the oil ring groove with the antirotational locking detent facing downward. Release the tension of the ring installer tool.

For the oil rings take out the rings marked 3 which are the rails and flex vents. Wind on the stainless expander fi rst with the ends pointing down and butting. When you open the box you will see that each section is labeled with a 1 2 or 3. Using a proper ring installation tool open the oil ring just enough to allow the ring to go over the top diameter of the piston.

Fear of breaking the rings. Oil rings install the oil rings fi rst. Only use suitable ring pliers to fit the piston rings starting with the bottom ring. Rotate the oil ring support rail until antirotational locking detent falls between the opening at intersection of ring groove and wrist pin hole.

The installation of piston rings is a critical step that really takes both artwork and science to end up with a combination that seals the combustion pressure above the piston scrapes the oil off. The ring gaps must be fitted at a 120 angle. When using a two.