Caterpillar Cat 320C U Excavator (Prefix PAC) Service Repair Manual (PAC00001 and up)

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Illustration 1

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1. Clean the faces of all the mating parts. Apply a thin coat of clean engine oil to a new crankshaft front seal. 2. Install new crankshaft front seal (1) in the front housing with Tool (A) . 3. Remove Tooling (A) and check crankshaft front seal (1) for correct installation. 4. Apply clean engine oil to the face of the crankshaft pulley that will be in contact with the new crankshaft front seal. End By: Install the crankshaft pulley. Refer to Disassembly and Assembly, "Crankshaft Pulley Remove and Install". Copyright 1993 - 2019 Caterpillar Inc.

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