FITTING GP-AUX 1757410 - Caterpillar

Checking Face Runout Of The Flywheel1. Install the dial indicator as shown. Put a force on the flywheel toward the rear.2. Set the dial indicator to read 0.0 mm (.00 in).3. Turn the flywheel and read the indicator every 90 degrees. Put a force on the flywheel to the rear before each reading.4. The difference between the lower and higher measurements taken at all four points is the face runout (axial eccentricity) of the flywheel. Refer to the Flywheel Specification Chart for each flywheel.This is the maximum permissible face runout (axial eccentricity) of the flywheel.Bore Runout (Radial Eccentricity) Of The Flywheel:
Checking Flywheel Bore1. Install the dial indicator (3) and make an adjustment of the universal attachment (4) so it makes contact as shown.2. Set the dial indicator to read 0.0 mm (.00 in).3. Turn the flywheel and read the indicator every 90 degrees.4. The difference between the lower and higher measurements taken at all four points is the bore runout (eccentricity) of the pilot bore. Refer to the Flywheel Specification Chart for each flywheel.
Checking Flywheel Clutch Pilot Bearing Bore5. Runout (eccentricity) of the bore for the pilot bearing for the flywheel clutch, refer to the Flywheel Specification Chart.