Detroit Diesel MBE 4000 Service Manual page 128

1.9 CRANKSHAFT ASSEMBLY
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[b] Move the crankshaft all the way forward by prying on one of the bearing caps,
then reset the dial gauge to "0" (zero).
[c] Move the crankshaft all the way aft. Note the end play on the dial gauge.
[d] If the end play does not correspond to the calculated amount (in the example above:
0.0090 inch), replace the crankshaft.
7. Install the engine.
1.9.3 Crankshaft Gear Replacement
Replace the crankshaft gear as follows:
1. Remove the engine from the vehicle.
2. Remove the flywheel housing. Refer to section 1.16.1.
3. Rotate the crankshaft until the marked gear tooth on the crankshaft gear is aligned between
the two similarly marked teeth on the camshaft gear.
4. Pull the crankshaft gear off the end of the crankshaft. If necessary, use a plastic hammer to
loosen the gear. See Figure 1-60.
1. Crankshaft
2. Guide Pin
Figure 1-60
5. Remove the crankshaft from the engine. Refer to section 1.9.1.
1-80
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Removing the Crankshaft Gear
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3. Crankshaft Gear
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