Piston Oil Ring Installation

Step 1 install the upper rail before installing the bottom rail.

Piston oil ring installation.

Install oil ring support rails on the bottom of the oil ring groove with the antirotational locking detent facing downward. 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. Here are proven methods for how to in. Only use suitable ring pliers to fit the piston rings starting with the bottom ring.

Wind on the stainless expander fi rst with the ends pointing down and butting. In the case of oil control rings with coil supported spring lock washers the. Release the tension of the ring installer tool. The ring gaps must be fitted at a 120 angle.

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. Proper installation of piston rings is a critical step in engine assembly. Oil rings install the oil rings fi rst. Work the opened ring down from the top of the piston to the oil groove.

Rotate the oil ring support rail until antirotational locking detent falls between the opening at intersection of ring groove and wrist pin hole. The bottom oil ring is actually made up of three different rings two narrow rails and one expander. Do you struggle with piston ring installation. 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.

10 install oil ring assembly as usual. Do not over expand the piston rings. At hastings manufacturing we know piston rings and we want to pass that knowledge on to you. How to install piston rings.

If you attempt to install the lower rail fi st the assembly will become tangled as the rail passes over the expander gap. However the second ring also provides a bit of oil control. 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. When you open the box you will see that each section is labeled with a 1 2 or 3.

For the oil rings take out the rings marked 3 which are the rails and flex vents. When using a two. Place the ring squarely into the piston groove taking care to keep it flat.