23
Attaching Spring Sheaves
Tools Needed:
Hook the sheave fork through the front
loop of the extension spring and attach
the sheave fork to the rear 3" steel
sheave using (1) 3/8" -16 x 1-1/4" hex
head bolt and (1) 3/8"-16 hex nut.
Thread the counterbalance cable over
the front sheave, around the spring
sheave and tie the special knot around
the "horizontal angle" 3 hole clip.
Insert one end of the large "S" hook in
the "horizontal angle" 3 hole clip and
the other end in the second slot of the
horizontal angle.
Repeat for the other side.
IMPORTANT: Close "S" hooks and eye
bolts to prevent springs from coming
loose.
FAILURE TO CLOSE "S" HOOKS
AND EYE BOLTS CAN RESULT IN
SEVERE INJURY OR DEATH IN
CASE SPRINGS COME LOOSE.
NOTE: Some larger doors feature 2 pairs
of extension springs. A snubber cable
must be installed through each spring
30
Please Do Not Return This Product To The Store. Contact your local Wayne-Dalton dealer. To find your local Wayne-Dalton dealer, refer to your
local yellow pages/business listings or go to the Find a Dealer section online at www.wayne-dalton.com
WARNING
STEEL SHEAVE
3/8"-16
HEX NUT
COUNTERBALANCE
CABLE
SPECIAL KNOT
3 HOLE CLIP
FRONT SHEAVE
SECOND
SLOT
"S" HOOK
3 HOLE CLIP
SNUBBER
CABLE
STEEL SHEAVE
SHEAVE FORK
DOOR FEATURING 2 PAIRS OF EXTENSION SPRINGS
3/8"-16 X 1-1/4"
HEX HEAD BOLT
SHEAVE FORK
FRONT SHEAVE
COUNTERBALANCE
CABLE
COUNTERBALANCE
CABLE
COUNTERBALANCE
CABLE
HOOK PLATE
HORIZONTAL TRACK