Tuesday 12 November 2013

Flywheel


Flywheel
The flywheel provides a friction surface for the clutch disc, a mounting surface for the pressure plate, a mounting for the starter driven gear, and on some engines, the flywheel is a factor in engine balance.
The condition of the friction surface of the flywheel is important for proper clutch function. The surface should be smooth and free of burned spots and surface cracks. Used flywheels can be re-surfaced. This should be done by grinding rather than lathe turning as less material is removed. The amount of material removed from the face can affect which clutch release bearing should be used. A flywheel should always be checked for runout on the engine it will be used on. Face runout should not exceed .005 (five thousandths) of an inch.



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