WINDING SPRINGS
WARNING
APPLY LOCKING PLIERS TO THE TRACKS ABOVE THE THIRD ROLLER, OR LOCK DOOR IF APPLICABLE, BEFORE WINDING THE SPRING(S) TO PREVENT DOOR FROM RISING UNEXPECTEDLY, POSSIBLY RESULTING IN SEVERE OR FATAL INJURY.
WARNING
WINDING BARS MUST FIT SNUGGLY INTO HOLES IN SPRING WINDING CONES. ATTEMPTING TO WIND SPRINGS WITH LOOSELY FITTING RODS, SCREWDRIVERS OR OTHER IMPROPER TOOLS CAN RESULT IN SEVERE OR FATAL INJURY.
Feed the cable attached to the left hand bottom bracket up the vertical track, behind the rollers and secure to the left hand drum. Push the drum up against the end bearing bracket and secure to the shaft by tightening the set screws (solid shafts use 1/4” key(s) and set screws to secure drums).
Rotate drum and shaft until cable is taut, then apply locking pliers to torsion shaft with end resting against header. This will hold cable taut and on drum. There must be at least 1/2 wrap of cable on the drum. If not, contact
Carefully, following spring winding instructions detailed in FIG Q, wind spring(s), using the appropriate 1/2”, 5/8” or 3/4” diameter winding rods of sufficient length; wind spring 1/4 turn at a time to the number of complete revolutions recommended on the spring turn chart. When the proper number of turns is reached, tighten the set screws on the winding cone. Release the locking pliers from the spring shaft(s). Adjust the coupler on split solid shafts until drums are in line (check door level) and tighten coupler.
NOTE: Coupling used on solid shaft only. Tighten connecting bolts after winding springs.
SPRING TURN CHART
DOOR HEIGHT | ||||
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6’6” | 7.5 | 7.5 |
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7’0” | 7.875 | 7.875 |
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7’6” | 8.5 | 8.5 |
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8’0” | 8.875 | 8.875 | 6.75 |
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8’6” |
| 9.25 | 7.125 |
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9’0” |
| 9.5 | 7.375 |
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9’6” |
| 10.125 | 7.75 |
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10’0” |
| 10.5 | 8.125 | 5.375 |
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10’6” |
| 11 | 8.375 | 5.625 |
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11’0” |
| 11.5 | 8.875 | 5.875 |
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11’6” |
| 12 | 9.125 | 6 |
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12’0” |
| 12.5 | 9.5 | 6.25 |
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12’6” |
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| 9.875 | 6.5 |
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13’0” |
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| 10.25 | 6.75 |
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13’6” |
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| 10.5 | 7 |
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14’0” |
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| 10.875 | 7.375 |
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14’6” |
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| 11.25 | 7.5 |
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15’0” |
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| 11.5 | 7.625 |
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15’6” |
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| 11.875 | 8 |
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16’0” |
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| 12.25 | 8.125 |
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16’6” |
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| 12.5 | 8.25 |
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WIND SPRINGS TOWARD CEILING. (STANDARD LIFT APPLICATIONS)
FIG Q
12
