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Adjust Belt Tension


Now we need to install the belt with the right tension. Be sure that the pulley hub is seated against the shoulder on the shaft.

The belt tension is determined by how close to gether the shieves are contolled by the number of washers. Spare washers are saved under the nut. The nut must be tight enough so there can be no movement of the shieves. This tension must be contolled by the washers and not the belt. A trial assembly without the belt will show how much of the shaft protrudes past the nut. With the belt on the same amount of protrusion must be seen.

Here are the steps you can use to set the tension:

  1. Tighten the nut until the washers are firmly held between the shieves as discussed above.
  2. Start the car and run for a bit to allow the belt to move to its natural position.
  3. Check the tension. If too loose, move a washer from between the shieves to the storage position under the washer. If too tight, move a washer from under the nut to between the sheives.
  4. Repeat until you have 5/8 in. to 3/4 in. of slack when pushing the belt with your thumb. The belt can be twisted about a quarter turn when the tension is correct.
Last modified: Sun, 30 Jan 2005


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