B5.9G, B5.9LPG – Troubleshooting and Repair Manual – 016-008   Flywheel Ring Gear

Remove the transmission.

Refer to equipment manufacturer’s instructions.

WARNING  The component weighs 23 kg [50 lb] or more. To avoid personal injury, use a hoist or get assistance to lift the component.

Remove the flywheel. Refer to Procedure 016-005.

WARNING  To avoid severe eye damage, wear eye protection when you drive the gear from the flywheel. Do not use a steel drift pin.

Brass Drift Pin

Use the brass drift pin to drive the ring gear from the flywheel.

Heat the new ring gear for 20 minutes in an oven preheated to 127°C
[260°F].

WARNING  To avoid severe burns, wear protective gloves when installing the heated gear.

NOTE: The ring gear must be installed so the bevel on the teeth is toward the crankshaft side of the flywheel.

Install the ring gear.

Barring Tool, Part No. 3824591

Use two capscrews and the barring tool, Part No. 3824591, in the front of the crankshaft to hold the crankshaft when the flywheel capscrews are being tightened.

Tighten the capscrews in the sequence shown.