Piston Oil Ring Installation

The ring gaps must be fitted at a 120 angle.

Piston oil ring installation.

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. Here are proven methods for how to in. Only use suitable ring pliers to fit the piston rings starting with the bottom ring.

Oil rings install the oil rings fi rst. Work the opened ring down from the top of the piston to the oil groove. When you open the box you will see that each section is labeled with a 1 2 or 3. At hastings manufacturing we know piston rings and we want to pass that knowledge on to you.

Proper installation of piston rings is a critical step in engine assembly. Wind on the stainless expander fi rst with the ends pointing down and butting. Install rings labelled top with the lettering facing upwards towards the piston crown. Step 1 install the upper rail before installing the bottom rail.

Do not over expand the piston rings. For the oil rings take out the rings marked 3 which are the rails and flex vents. In this video we re going to cover the installation of 3 piece oil rings. However the second ring also provides a bit of oil control.

If you attempt to install the lower rail fi st the assembly will become tangled as the rail passes over the expander gap. Install oil ring support rails on the bottom of the oil ring groove with the antirotational locking detent facing downward. When using a two. 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.

Release the tension of the ring installer tool. 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. Place the ring squarely into the piston groove taking care to keep it flat. How to install piston rings.

Fear of breaking the rings. 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 bottom oil ring is actually made up of three different rings two narrow rails and one expander.