ROD AS 3561391 - Caterpillar

and 3408 Industrial, Marine and Truck Engines;
3412 Industrial and Marine Engines;
988B Loaders;
621B, 623B, 631D, 633D, 637D, 637D P.P. Tractors;
245 Excavators, and 16G Motor GradersThe installation procedure for crankshaft front and rear wear sleeves has been changed. This was done to prevent possible oil leakage under the sleeves.
The new installation recommendation is as follows: Clean and put a layer of 8M8060 Quick Cure Primer on the inside circumference of the wear sleeves and the outside circumference of the crankshaft. Then put 9S3265 Retaining Compound on the outside circumference of the crankshaft and the inside circumference of the wear sleeves before the wear sleeves are installed on the crankshaft. Use the procedure shown in the Service Manual to install the wear sleeves.