Flywheel: Testing and Inspection

MOVEMENT AMOUNT OF FLYWHEEL (M/T MODEL)

NOTE:
^ Inspection for double mass flywheel only.
^ Do not disassemble double mass flywheel.

Flywheel Deflection
^ Measure deflection of flywheel contact surface to the clutch with a dial gauge.





Measure deflection at 210 mm (8.27 inch) dia.
Standard: 0.45 mm (0.0177 inch) or less
Limit: 1.3 mm (0.051 inch) or less
^ When measured value exceeds the limit, replace the flywheel with a new one.

Movement Amount in Rotation Direction
^ Check the movement amount in the following procedure.

1. Install a bolt to clutch cover mounting hole, and place a torque wrench on the extended line of the flywheel center line.
^ Tighten bolt to keen it from loosening at a force of 9.8 Nm, (1 kg-m, 87 inch lbs.).





2. Put a mating mark on circumferences of the two flywheel masses without applying any load (measurement standard points).
3. Apply a force of 9.8 Nm (1 kg-m, 87 inch lbs.) in each direction, and mark the movement amount on the mass on the transmission side.
4. Measure dimensions of movement amounts A and B on circumference of the flywheel on the transmission side.
Standard: 28.3 mm (1.114 inch) or less
^ When measured value is outside the standard, replace flywheel.