378 FLYWHEEL A ND F LYWHEEL HOUSING
Inspection
Flywheel Housing Face Runout
Figure 597 Flywheel housing face runout
1. Attach a dial indicator to the crankshaft. Place
the tip of the dial indicator against the face of the
flywheel housing.
2. Zero the dial indicator.
3. Measure the runout at each 90 degree interval
(four locations) around the face of the flywheel
housing.
4. Record the total variation of the four
measurements and compare the result to
the flywheel housing face runout specification.
Flywheel Housing Bore Concentricity
Figure 598 Flywheel housing bore concentricity
1. Attach a dial indicator to the crankshaft. Place
the tip of the dial indicator against the flywheel
housing bore.
2. Zero the dial indicator.
3. Slowly rotate the crankshaft. Record the total
indicator variation and compare the result to the
flywheel housing bore concentricity specification.
Crankshaft Pilot Concentricity
Figure 599 Crankshaft pilot concentricity
1. Attach a dial indicator to the flywheel housing.
Place the tip of the dial indicator against the
crankshaft pilot.
2. Zero the dial indicator.
EGES-265-2
Read all safety instructions in the "Safety Information" section of this manual before doing any procedures.
Follow all warnings, cautions, and notes.
© 2009 Navistar, Inc.
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