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344940 REV2 03/17/2020
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Copyright 2020 Wayne Dalton, a division of Overhead Door Corporation
12
STEP 4A
BARREL/BRACKET ASSEMBLY – MANUAL LIFT-UP AND AWNING CRANK OPERATED.
Lay the barrel assembly in front of the opening. Note the sticker located on the barrel. This sticker will indicate the operated end, the direction the curtain uncoils to close the
shutter, and the spring turns required to balance the shutter. Slide the set collar, and then the thrush bearing, onto the push down shaft. Slide the brackets onto the barrel
shaft extensions and place the brackets on wood blocks. Install a cotter pin onto the barrel shaft extension (with the flat) (do not install the adjusting wheel at this time).
Install the sprocket, ¼” shaft key, and snap ring onto the shaft. Locate the sprocket so that it contacts the snap ring, and tighten the set screws. Next, move the inner set collar
and thrust bearing (between the barrel and inside surface of the bracket) against the inside bearing race on the bracket, and tighten the set screws (prevents lateral barrel
shaft movement).
IMPORTANT:
DETERMINE PROPER ORIENTATION OF
BARREL AS INDICATED BY STICKER ON BARREL
(EXAMPLES BELOW).
Right Hand Sticker
Left Hand Sticker
WARNING
SPRINGS ARE CLOSER TO ONE SIDE OF BARREL ASSEMBLY, CAUSING THAT SIDE TO BE HEAVIER. BARREL ASSEMBLY WILL FALL IF LIFTED FROM CENTER. TO AVOID
POSSIBLE SEVERE OR FATAL INJURY, CAREFULLY DETERMINE BALANCE POINT, PRIOR TO LIFTING BARREL ASSEMBLY, TO PREVENT BARREL ASSEMBLY FROM FALLING.
WARNING
BRACKET ASSEMBLIES CAN BE HEAVY. TO AVOID POSSIBLE INJURY, PERSONS WITH LIFTING LIMITATIONS SHOULD NOT PERFORM THIS NEXT STEP.