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