Flywheel: Testing and Inspection

INSPECT





Inspect the flywheel (6375) for:
- Any (A) cracks.
- Worn (B) ring gear teeth.
- Chipped or cracked (C) ring gear teeth.

RUNOUT





Use Radial Runout Gauge 007-0056A or equivalent to inspect the flywheel clutch surface runout (A).
- Set the gauge on the flywheel clutch surface and turn the flywheel to measure runout.

Maximum runout: 0.64 mm (0.025 inch).

FINISH
The finish (B) of a resurfaced fly wheel should have a finish that is 4.0-1.3 micrometer (160-52 micro-inch).

DOWEL PINS
The major diameter of any dowel pin (C) must be below the flywheel surface.

BOLT CLEARANCE
Screw pressure plate bolts (D) into flywheel by hand.
- There should be no more than 1.5 mm (0.06 inch) clearance.