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R1 |
| Drum |
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| Wrap |
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| Spring Tension Removal |
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Tools Needed: | Counterbalance spring tension must be |
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7/16" Wrench | relieved before removing any hardware. | Cable |
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WARNING | Drum |
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Power Drill |
| 7/16” | |
7/16" | A POWERFUL SPRING RELEASING ITS |
| Wrench |
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ENERGY SUDDENLY CAN CAUSE SEVERE, |
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Socket Driver |
| Lock Nut | |
EVEN FATAL INJURY. |
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Step Ladder | Counter |
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NOTE: Warning tag removed for illustration | Balance |
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| clarity. | Cable |
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| Place door in the fully closed position and |
| Winding |
| remove drum wraps from cable drums (if | 7/16” | |
| Bolt | ||
| installed). | Socket Driver | |
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| Using a 7/16" wrench, loosen lock nut on | Power |
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| the back of the end bracket. Using a power | Drill |
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| drill (high torque/gear reduced to 1300 RPM |
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| preferred), with a 7/16" socket driver, |
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| unwind the right hand winding bolt counter |
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| clockwise until the counter cover shows “0” |
| End Brackets |
| (zero). If the door has two springs, repeat |
| (Metal) |
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| Worm | |
| this process for the left hand side. |
| Gear |
| NOTE: A door with only one spring will not |
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| have a counter assembly on the left hand |
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| side. |
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| NOTE: Spring(s) is/are fully unwound when |
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| counterbalance cables have no tension. |
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| CAUTION: DO NOT USE AN IMPACT GUN |
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| TO UNWIND THE SPRINGS! |
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| NOTE: It is recommended that cable drums |
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| and end bracket assemblies get updated to | Winding |
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| current designs for optimal performance. |
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| current end brackets are made of metal | Bolt |
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| instead of plastic, and counter cover and |
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| worm gears are made of grey plastic, instead |
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| of black and white plastic. If new parts are |
| Counter |
| required, contact |
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| Cover | |
| service. |
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R2 | Right Hand Counter Removal |
| End Brackets |
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| Counter | ||
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| Gear |
Tools Needed: | IMPORTANT! RIGHT AND LEFT HAND IS |
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Flat Tip | ALWAYS DETERMINED FROM INSIDE THE |
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GARAGE LOOKING OUT. |
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Screwdriver |
| Counter | |
Remove the counter cover. Slide a flat tip |
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Step Ladder | Flat Tip | Cover | |
screwdriver between the end bracket and |
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| Screwdriver |
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| the counter gear. |
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Gently pull the counter gear away from the end bracket. If the door has two springs, repeat this process for the opposite side.
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