SEAL-O-RING 0951632 - Caterpillar

Engine: Gas
AllEngine News SEBD9300, August 2001, "Two Strainers Are Available To Protect The Bearings In Garrett Turbochargers". Disregard this article. This article has been replaced by the following article.A clean oil supply is essential for maximum service life of turbochargers. Turbocharger failure can result even from minimal contamination. Foreign material can easily be introduced into the turbocharger bearings when the turbocharger is removed for service. Precautions are necessary to prevent contamination when the turbocharger oil supply line is removed.The 189-0855 Strainer has two bolt holes that are spaced 38.1 mm (1.50 inch) from each other. The 189-0855 Strainer includes a bright orange colored tab that will help indicate the presence of the strainer.The 7N-8229 Strainer has two bolt holes that are spaced 44.5 mm (1.75 inch) from each other.Install the proper strainer before the initial start-up after the following circumstances:
An engine overhaul
The removal and replacement of turbochargersThe strainer will help prevent damage to the turbocharger bearings by small particles that may have contaminated the oil supply.Recommended Procedure
Note: When you install a turbocharger, do not remove the cap for the oil supply and the cap for the oil drain until the oil lines are ready to be connected.
When the turbocharger is installed, install the correct strainer in place of the gasket at the oil inlet.
Connect the turbocharger oil supply line and the turbocharger oil drain line.Note: It is very important to remove the strainer after 30 minutes of operation. The strainer may become plugged. This could result in a lack of lubrication for the turbocharger bearings. This could result in a failure of the turbocharger.
Operate the engine for 30 minutes at full load. Shut down the engine.
Disconnect the turbocharger oil supply line in order to remove the strainer.
Install a new gasket in place of the strainer.The 1S-6595 Gasket has two bolt holes that are spaced 38.1 mm (1.50 inch) from each other.The 4P-4460 Gasket has two bolt holes that are spaced 44.5 mm (1.75 inch) from each other.
Reconnect the oil supply line to the turbocharger.