SEAL-O-RING 2772548 - Caterpillar

You must read and understand the warnings and instructions contained in the Safety section of this manual before performing any operation or maintenance procedures.Before proceeding with the Every 2250 Hour maintenance, perform all Daily, 125 Hour, 250 Hour and 1000 Hour maintenance requirements.Connecting Rod Bearings
Replace
The level of maintenance an engine receives is crucial to the life of crankshaft bearings. Other major factors affecting crankshaft bearing life are operating rpm and bearing loads.Since the levels of maintenance and operating conditions experienced by the wide spectrum of owners is so varied, our recommendations for the crankshaft bearing maintenance are as follows:Inspection and Replacement
* Engines should be inspected at 2250 Hours or 341 100 L (90,000 gal) fuel consumption. This inspection consists of removing connecting rod bearings ONLY and replacing them because of dirt and debris having been passed from the main bearings.* If connecting rod bearings do not show any signs of particles from main bearings, Caterpillar recommends that the main bearings be left alone and ONLY connecting rod bearings be replaced.Caterpillar believes that crankshaft bearing maintenance as outlined above, and offered by many dealers, is relatively inexpensive and a good value. In addition, the new connecting rod bearings have a one year parts warranty.For removal and installation of crankshaft bearings, see the Service Manual for this engine or consult your Caterpillar dealer.