STEP 12 INSTALLING THE OPTIONAL TENSION-PRO SPRING ADJUSTMENT BRACKET

STEP #12a: Install the Tension-Pro™ bracket on the left hand side of the curtain assembly per STEP #4 & #5 in this manual. Insert cotter pin through hole in the axle end. Do not use large washer (shown in step #5) on the Tension-Pro™ bracket side axle end. Bend the ends of the cotter pin to secure in position.

STEP #12b: Stretch and attach spring end to the spring holder plate of the Tension-Pro™ bracket. Tighten the flange nylon lock hex nut to keep spring in place.

STEP #12c: Using a pipe wrench, rotate the large nut clockwise 2 turns to pre-tension the spring. Then, lubricate and adjust guides.

STEP #12d: Test door operation to determine if spring balance requires adjustment. Adjust tension as needed per the following instructions.

WARNING

Spring tension can cause severe or fatal injury. To avoid injury, repairs/ adjustments must be made by a trained door technician.

WARNING

Spring tension increases as door closes. To avoid possible Injury, door must be fully open when adjusting spring tension.

WARNING

WARNING

Pipe wrench interference can prevent pawl from engaging with ratchet gear. Always adjust tension one “CLICK” (gear tooth) at a time. Reposition wrench for each adjustment. Failure of pawl to engage with ratchet gear can cause severe or fatal injury.

Contact with rapidly rotating ratchet gear can cause severe or fatal injury. If wrench slips when decreasing tension, release pawl immediately to avoid injury. Do not secure pawl in the disengaged position.

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Wayne-Dalton DS-50, DS-75, DS-100 installation instructions