37561R.S - Replacement Belt Installation Instructions
Replacing the 7-Foot Belt (37561R.S) Instructions
Replacing the 37561R.S belt will require removal of the garage door opener from it’s mounting hardware and repairs made on a bench or floor. Refer to your models Owners Manual and/or Installation Poster for proper assembly and carefully read and understand all warnings and cautions pertaining to your model.
BE SURE ELECTRICAL POWER HAS BEEN DISCONNECTED FROM THE INPUT POWER LINES PRIOR TO REMOVING THE MOTOR COVER.
ANY AND ALL REPAIRS MADE TO THIS UNIT MUST BE PERFORMED WITH THE DOOR DISCONNECTED FROM THE OPENER AND IN THE CLOSED POSITION.
1. Pull the red Emergency Release Cord on the Carriage to disengage the garage door opener in order to close the door if necessary. (If unable to lower door using the garage door opener, please use extreme caution when manually closing the door. Before pulling the Emergency Release Cord, make certain people and objects are clear of the garage door opening.)
2. Unplug Opener Power Cord from power receptacle (outlet).
3. Open Lens Cover by pressing middle tab inward and remove Light Bulbs. FIG. 1.
4. Remove Wall Control and Safe-T-Beam wires from Terminal Block located on side of Opener FIG. 1. Use a small common screwdriver to press in on orange tabs while gently pulling wires from the block. Mark wires to help facilitate replacement.
5. Remove Network and Battery Backup Harnesses from the front of Opener (if applicable).
6. Remove the 2-9/16” Nuts & Bolts from Door Arms to separate door from Opener. FIG. 2.
7. Remove Motor Head and the belt Rail Assembly from mounting brackets and set on a clean work surface or floor.
8. Remove the 4-7/16” self-tapping bolts from the Rail/Motor mounting straps and pull Rail from Motor Head. FIG.3. Set Motor Head aside. Set the belt Rail Assembly on the floor upside down to aid in disassembly.
9. Loosen Tensioner Nut from door end of Rail to create slack in Belt/Chain. FIG. 4.
10. Remove 2-1/4” screws holding Pulley Guard in place. FIG. 5.
11. Remove 2-1/4” screws from Motor Pulley Assembly. FIG. 3.
12. Dislodge Motor Pulley Assembly from locking tabs (FIG. 3) and slide towards door end of the rail to feed Tensioner Assembly, Pulley Guard, and Belt out through the end of the Rail. FIG. 5.
13. Remove Tensioner Pulley Pin to remove Pulley. FIG. 5
14. Discard old Belt & Bullet Assembly and replace with the new 37561R.S belt in reverse order.
15. Reinstall Tensioner Pulley Pin. FIG. 5.
16. Slide Motor Pulley Assembly, Carriage, Pulley Guard, and Tensioner Assembly back into original position making certain that locking tabs on Motor Pulley Assembly protrude through slots in Rail and secure with the 2-1/4” screws. FIG. 5.
17. Secure Pulley Guard with 2-1/4” screws.
18. Tighten Tensioner Nut until the slack is removed from Belt.
19. Install Rail to Motor Head Assembly using the two Mounting Straps and 4-7/16” self-tapping screws. FIG. 3.
20. Reinstall garage door opener assembly in reverse order as it was removed. Reference your models Owners Manual and Installation Poster if needed.
21. Plug the garage door opener in.
22. Clear and reprogram Limit Controls per your models Owners Manual.
You can also view these videos to help reprogram the limits.