Piston Oil Ring Installation

However the second ring also provides a bit of oil control.
Piston oil ring installation. 10 install oil ring assembly as usual. 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. 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. Fear of breaking the rings.
Do not over expand the piston rings. Wind on the stainless expander fi rst with the ends pointing down and butting. Step 1 install the upper rail before installing the bottom rail. The bottom oil ring is actually made up of three different rings two narrow rails and one expander.
For the oil rings take out the rings marked 3 which are the rails and flex vents. 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 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. Place the ring squarely into the piston groove taking care to keep it flat.
Work the opened ring down from the top of the piston to the oil groove. At hastings manufacturing we know piston rings and we want to pass that knowledge on to you. The ring gaps must be fitted at a 120 angle. When you open the box you will see that each section is labeled with a 1 2 or 3.
Install rings labelled top with the lettering facing upwards towards the piston crown. Do you struggle with piston ring installation. Install oil ring support rails on the bottom of the oil ring groove with the antirotational locking detent facing downward. Oil rings install the oil rings fi rst.
Release the tension of the ring installer tool. When using a two. How to install piston rings. In the case of oil control rings with coil supported spring lock washers the.
Proper installation of piston rings is a critical step in engine assembly. Rotate the oil ring support rail until antirotational locking detent falls between the opening at intersection of ring groove and wrist pin hole. Only use suitable ring pliers to fit the piston rings starting with the bottom ring.