Detroit Diesel MBE 4000 Service Manual page 490

8.1 DRIVE BELTS
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8.1.6 Air Conditioner Compressor Belt Installation
Install the A/C compressor belt as follows:
1. Fit the A/C compressor drive belt on the belt pulleys. Be careful not to kink, stretch, or
otherwise damage the belt. For correct routing, see Figure 8-7. Do not fit the belt onto
the tensioner pulley yet.
1. Tensioner Pulley
2. A/C Compressor Pulley
Figure 8-7
2. Release the tension on the A/C compressor belt. See Figure 8-1.
3. Make sure the belt is correctly positioned for the tensioner pulley.
4. Restore the tension on the belt.
[a] Lower the socket wrench to return the tensioner pulley to its original position.
[b] Remove the socket-wrench bit from the pulley bolt.
5. Check the A/C compressor belt to make sure it is in the correct position and properly
aligned on the pulleys.
6. Connect the batteries.
8-10
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Air Conditioner Compressor Belt Routing
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3. Crankshaft Pulley
6SE412 0403 Copyright © 2004 DETROIT DIESEL CORPORATION
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All information subject to change without notice.
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