
Assembly Section: Pages 6 - 7
ASSEMBLY STEP 1
Attach the T-Rail To the Opener
CAUTION
To fasten rail, use only those screws mounted in the top of the opener. Any other screws will cause serious damage to the opener.
•Remove the two washered screws mounted in top of opener.
•Align
•Cut tape from
•REMOVE STYROFOAM.
•Insert both washered screws through the
USE ONLY THESE SCREWS! Any other screws will cause serious damage to the opener.
Position belt over the opener sprocket.
Washered Screw
Styrofoam
| Belt |
USE ONLY THIS |
|
TYPE AND SIZE | |
SCREW | Hole |
| Washered Screw |
| |
| Opener |
| Sprocket |
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| Hole |
| Belt |
| |
| Hole |
ASSEMBLY STEP 2
Figure B
Trolley
Threaded
Set the Belt Tension
Nut
Shaft
Figure A
Trolley
Trolley
Threaded
Shaft
Spring
Trolley Nut
Ring
Square End
Nut Ring
Slots
Trolley
•Place a 7/16" open end wrench on the square end. Rotate about 1/4 turn until the spring releases and snaps the nut ring against the trolley (Figure C).
•By hand, thread the spring trolley nut on the threaded shaft until it is finger tight against the trolley (Figure A). Do not use any tools.
•Insert a screwdriver tip into one of the nut ring slots and brace it firmly against the trolley (Figure B).
This extends the spring for optimum belt tension.
Figure C
Trolley |
| Nut Ring |
| Trolley |
| Nut Ring |
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BEFORE |
| AFTER RELEASE | |||||
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6