3116 and 3126 Truck Engines Flywheel Housing Runout

Face Runout (Axial Eccentricity) Of The Flywheel Housing:

8T5096 Dial Indicator Group Installed (Typical Example)

1. Fasten a dial indicator to the crankshaft flange so the anvil of the indicator will touch the face of the flywheel housing.

2. Put a force on the crankshaft toward the rear before reading the indicator at each point.

3. With the dial indicator set at 0.0 mm (.000 in) at location (A), turn the crankshaft and read the indicator at locations (B), (C) and (D).

4. The difference between the lower and higher measurements taken at all four points must not be more then 0.30 mm (.012 in), which is the maximum permissible face runout (axial eccentricity) of the flywheel housing.

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