Flywheel Inspection and Service

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What is the primary reason for removing the pilot bearing from the flywheel before cleaning?

To prevent damage to the pilot bearing during cleaning (correct)

To inspect the pilot bearing for signs of wear and damage

To allow for easier cleaning of the flywheel

To prevent the pilot bearing from being damaged during engine operation

What is the recommended method for repairing a pilot bore that is loose due to a worn or damaged pilot bearing?

Using a petroleum solvent to clean the pilot bore

Polishing the pilot bore with fine sandpaper

Machining the flywheel and installing a repair sleeve (correct)

Replacing the pilot bearing with a new one

What should be inspected visually for signs of wear and damage during flywheel inspection?

Pilot bore (correct)

Flywheel ring gear

Flywheel surfaces and mounting bolt holes

Pilot bearing

What is the recommended course of action if the machined surfaces of the flywheel are excessively worn?

Remachine the flywheel surfaces to repair excessive wear Signup and view all the answers

What should be checked for damage during flywheel inspection?

All threaded holes and machined surfaces Signup and view all the answers

What is the consequence of a cracked or damaged flywheel failing during engine operation?

Serious engine damage and personal injury Signup and view all the answers

What is the importance of noting the direction of the teeth on the ring gear in relation to the flywheel?

To ensure the starter drive engages easier Signup and view all the answers

What is the recommended method for heating the ring gear during installation?

Heating it evenly to a specific temperature Signup and view all the answers

What should be avoided when removing the ring gear from the flywheel?

Using a cutting torch Signup and view all the answers

Why should the ring gear be allowed to cool slowly at room temperature?

To prevent distortion Signup and view all the answers

What should be checked during the visual inspection of a rubber element vibration damper?

The damper hub for cracks Signup and view all the answers

What is the recommended cleaning method for a rubber element vibration damper?

Washing with hot soapy water and blowing dry with compressed air Signup and view all the answers

What is the indication of a broken bond between the rubber and the inertia mass in a rubber element vibration damper?

Movement greater than 1/16” (1.59 mm) in the index lines Signup and view all the answers

Why should a viscous damper be replaced during a major overhaul?

Internal wear and breakdown of the viscous fluid cannot be measured Signup and view all the answers

How should a viscous damper be cleaned?

Using a petroleum solvent Signup and view all the answers

What is the consequence of misalignment between the hub and the inertia mass in a rubber element vibration damper?

The damper will wobble when rotated Signup and view all the answers