Detroit Diesel MBE 4000 Service Manual page 484

8.1 DRIVE BELTS
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2. Release the tension on the main drive belt. See Figure 8-1.
1. Alternator
2. Main Drive Belt
Figure 8-1
[a] Place a socket wrench on the tensioner pulley bolt.
[b] Pull the socket wrench (swivel the tensioner pulley counterclockwise) to remove the
tension from the belt.
[c] Hold the tensioner pulley in this position for the next step.
8-4
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Releasing Belt Tension
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3. Belt Tensioner
4. Socket Wrench
6SE412 0403 Copyright © 2004 DETROIT DIESEL CORPORATION
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All information subject to change without notice.
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