Installation and Maintenance Manual: RLCDC
Published January 2022
Rev. B Rev. B
14
7. Pull the threaded shaft out of the side frame.
8. Pull the MDR away from the bands until the MDR is completely free of the side frames and
bands.
9. Slide the new MDR cable through the MDR washer and guide it through the hex hole.
10. Place the MDR bracket back onto the threaded shaft.
11. Guide the MDR back through the existing bands.
12. Use a putty knife or other flat surface tool to guide the hex shaft into the hex hole.
13. Fasten the MDR nut using a torque wrench to the appropriate value given in Table 1.
14. Plug the MDR into the card.
15. Replace the side cover.
For standard rollers:
1. Follow the lockout/tagout procedure in place to ensure safety.
2. Remove the side cover from the intended work area.
3. Apply pressure on the end of the hex shaft opposite the wiring using a small diameter punch or
similar tool until the shaft clears the frame. Be careful NOT to apply a side load to the hex shaft.
Refer to Figure 5.
4. Provide upward force on the roller body until the hex is sitting above the side frame as shown in
Figure 6. A putty knife or other flat surface tool is recommended to be placed between the hex
shaft and the inside of the frame. This will help protect the paint on the side frame.
5. Remove the hex shaft from the opposite hex hole
6. Pull the roller away from the bands until the roller is completely free of the side frames and bands.
7. Slide the new roller through the bands.
8. Once the new roller is through both bands, guide the hex shaft into the hex hole.
9. After the hex shaft is in the hex hole, the opposite side shaft can be inserted into the appropriate
hex hole. Use the roller’s length as leverage to aid in this step.
10. Use a putty knife or other flat surface tool to guide the hex shaft into the opposite hex hole.
11. Replace the side cover.
Figure 5: MDR Removal-2
MDR hex shaft
Apply linear pressure
