Doing a Belt Change on an EX Laser Machine

Doing a Belt Change on an EX Laser Machine
By Mike Clarke
Jun 8, 2003, 21:33

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Doing a Belt Change on an EX Laser Machine

Changing an X drive belt is quite easy on the EX laser system. This file walks you through it.

Tools Needed
• Philips (Star) screwdriver
• Stapler
• Allan Wrench

1. First we need to remove the gray panel. There are 6 screws that need to be removed. 3 on the back and 3 on the front. They have a Philips head. Figure 1 shows two screws that are located on the left side of the front of the arm.

Figure 1

2. Next remove the gray cover as per Figure 2.
3. Now we need to release the tension on the belt. To do this if you look on the left side of the arm and at the back you will see a belt tensioning screw/spring. With you screw driver loosed the screen and than push the spring to the right.

Figure 2

4. Next tighten the screw up so that the belt can not “spring” back to its original position. See Figure 3.

Figure 3

Now you need to remove the belt. With your Allan wrench remove the two screws that hold the left side of the belt to the arm/lens assembly. See Figure 4, 5, and 6.

Figure 4

Figure 5

Figure 6

6. Repeat this procedure till the belt is loosened on booth sides of the lens assembly.
7. Now staple the new belt to the old belt with the new belt being on the left side and the old belt being on the right side as per Figure 7

Figure 7

8. Now carefully pull on the belt that was attached to the left side of the lens assembly. This will feed the old belt through the right side of the arm and pull the new belt through. Be careful so that the belt does not come loose from the old belt.
9. Now that the belt is pulled through all you need to do is reattach the belt to the lens assembly.
10. Figure 8 shows how the belt sits in the groove of the “clamp”.

Figure 8

11. Place the belt in the clamp and than screw it back onto the left side of the assembly. See Figure 9.

Figure 9

12. Next repeat for the right side.
13. Now all you need to do is release the tension and the belt retention back. See Figure 10.

Figure 10

14. Place the cover back on and than run a test.

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