ALTERNATOR MOUNTING GROUP 3N5642 - Caterpillar

src="//c1.a2109.com/cat2/se/senr/senr3108a00013.png"> (1) Wear sleeve. Removal:a. Remove the seals from each end of the engine. Seals and wear sleeves cannot be used again after the seals and wear sleeves are separated.b. Remove wear sleeves from each end of the engine.Installation:a. Do not separate wear sleeves (1) from crankshaft seals (2). Once they are separated, they cannot be used again. See Special Instruction Form No. SMHS8301 for more information.b. Clean the outer surface of the crankshaft and the inner surface of wear sleeve (1) with 6V1541 Quick Cure Primer.c. Carefully put a thin coat of 9S3265 Retaining Compound on the inner surface of wear sleeve (1) and on crankshaft surface.d. Install seal (2) and wear sleeve (1) as a unit on the end of the crankshaft with the correct tools.(2) Crankshaft seals: Crankshaft seals must be installed with the lip of the seal toward the inside of the engine as shown. Make sure the correct seal is installed on each end of the crankshaft. For SAE Standard Rotation engines use 1W6974 Seal Group on the front and 1W6977 Seal Group on the rear. For SAE Opposite Rotation engines use 1W6977 Seal Group on the front and 1W6974 Seal Group on the rear.(3) Flywheel housing.(4) Front housing.