Check Tension And Wear On J3 And J4 Drive Belts - adept technology 550 User Manual

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8. Replace the Joint 3 cover.

Joint 3 Ball Screw

7.4

Check Tension and Wear On J3 and J4 Drive Belts

Check the tension and wear on the Joint 3 and Joint 4 drive belts every 3 months.

1. Turn off main power to the controller.

2. Remove the access cover by loosening four screws (using 2.5 mm hex wrench) on

the under side of the outer link. See Figure 7-2. Note the path of the cable that

runs along the side of the opening so that you can route it the same way at the end

of this procedure.

3. Drop the Joint 3 brake assembly out of the way by removing 4 M3 x 8 screws

(using 2.5 mm hex wrench) and lowering the assembly. This makes it much easier

to access the drive belts.

NOTE: Be careful not to lose the four spacers that are between the brake

assembly and the outer link assembly. See Figure 7-4. These spacers are

necessary to ensure that the brake is aligned properly with the Joint 3

drive pulley.

4. Check the tension of the Joint 3 and Joint 4 drive belts with your fingers. See

Figure 7-3. The belts should feel tight to the touch. If there is any noticeable loose-

ness, call Adept Customer Service.

Adept 550 Table-Top Robot User's Guide, Rev A

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Lubrication of Joint 3 Ball Screw

Figure 7-1.

Adept 550 Robot

with Joint 3 cover

removed.

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