This document provides instructions for servicing components related to the crankshaft on a Caterpillar C3.3B engine, including:
1. Removing and installing the flywheel, which involves using guide studs and lifting equipment due to its weight of approximately 30 kg.
2. Removing the crankshaft rear seal, crankshaft gear, and wear sleeve, and inspecting these components for wear and damage.
3. Installing the crankshaft rear seal, crankshaft gear, and wear sleeve, which requires aligning gears and using a press and driver tool.
4. Removing and installing the flywheel housing, which connects the upper and lower