1. Pull emergency release cord on carriage to disengage opener
to close door if necessary. (If unable to lower door using opener,
use extreme caution manually closing door. Before pulling
emergency release cord, make certain people and objects are
clear of door opening.)
2. Unplug opener power cord from power receptacle.
3. Remove Battery Backup (BBU) from powerhead if equipped:
•
Unplug harness from top of powerhead.
•
Remove two screws securing BBU to rear of powerhead.
•
Tilt BBU up and slide mounting brackets out.
•
Set BBU aside. FIG. 1.
4. Remove lens cover(s) by pressing top tabs down and slide lens
cover(s) out. Remove light bulbs. FIG. 2.
5. Remove wall control and Safe-T-Beam® wires from terminal
block located on side of two bulb models or rear of one bulb
models FIG. 3. Use small common screwdriver to press in on
orange tabs while gently pulling wires from block. Mark wires to
help facilitate replacement.
6. Remove clevis pin and hairpin from door arm assembly. FIG. 4.
7. Remove opener from mounting hardware and set opener assembly on clean work surface.
Idler Pulley Replacement
39350502958
WARNING
BE SURE ELECTRICAL POWER HAS BEEN DISCONNECTED FROM THE INPUT POWER LINES PRIOR TO REMOVING THE MOTOR COVER.
!
WARNING
ANY AND ALL REPAIRS MADE TO THIS UNIT MUST BE PERFORMED WITH THE DOOR DISCONNECTED FROM THE OPENER AND IN THE
CLOSED POSITION.
!
06/2015
This repair will require removal of the unit from it’s mounting hardware and repair made on a bench or floor. Refer to your
Owners Manual for proper assembly and carefully read and understand all warnings and cautions pertaining to your unit.
FIG. 2.
Parts removed for clarity
FIG. 1.
FIG. 3.
Two Bulb Model
One Bulb Model
Antenna
FIG. 4.
