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IMPORTANT: RIGHT AND LEFT HAND IS ALWAYS DETERMINED FROM INSIDE THE BUILDING
LOOKING OUT.
IMPORTANT: Identify the torsion springs provided as either right hand wound (red winding
cone), which goes on the LEFT HAND SIDE or left hand wound (black winding cone), which
goes on the RIGHT HAND SIDE.
IMPORTANT: ON SINGLE SPRING APPLICATIONS, ONLY A LEFT HAND WOUND (BLACK
WINDING CONE), WHICH GOES ON THE RIGHT HAND SIDE IS REQUIRED.
NOTE: The set screws used on all torsion winding cones and cable drums are now colored
red. DO NOT identify right and left hand by the set screw color.
IF YOU DON’T HAVE A COUPLER ASSEMBLY:
Facing the inside of the door, lay the torsion shaft / torsion keyed shaft on the floor. Lay the
torsion spring with the black winding cone and the black cable drum at the right end of the
torsion shaft / torsion keyed shaft. Lay the torsion spring with the red winding cone and the
red cable drum at the left end of the torsion shaft / torsion keyed shaft.
Slide the center bracket bearing / center bracket bushing onto the torsion shaft / torsion
keyed shaft followed by the torsion springs and cable drums.
IMPORTANT: THE CENTER BRACKET BEARING / CENTER BRACKET BUSHING, TORSION
SPRINGS, AND CABLE DRUMS MUST BE POSITIONED, AS SHOWN.
Torsion shaft
Center bearing
Right hand
wound, red
winding cone
(left hand side)
Left hand wound,
black winding cone
(right hand side)
Right hand
cable drum,
black
Left hand cable
drum, red
IMPORTANT: ON SINGLE
SPRING APPLICATIONS,
ONLY A LEFT HAND WOUND
(BLACK WINDING CONE),
WHICH GOES ON THE RIGHT
HAND SIDE IS REQUIRED.
With assistance, pick up the torsion spring assembly and slide one end of the torsion shaft
/ torsion keyed shaft through one end bearing bracket. Lay the middle of the torsion shaft /
torsion keyed shaft into the center bracket. Slide the other end of the torsion shaft / torsion
keyed shaft into the other end bearing bracket. Position the torsion shaft / torsion keyed shaft
so that equal amounts of the shaft extend from each end bearing bracket.
Left hand end
bearing bracket
Equal spacing
Right hand end
bearing bracket
Torsion shaft
Center
bracket
bushing
Center bracket
IF YOU HAVE A COUPLER ASSEMBLY:
Disassemble the coupler assembly by removing the (3) 3/8” - 16 x 1-3/4” hex head screws
and the (3) 3/8”-16 nylon hex lock nuts from the coupler halves. Loosen the set screws.
Set the components aside. Facing the inside of the door, lay the (2) torsion keyed shafts on
the floor. One torsion keyed shaft on the left hand side and the other torsion keyed shaft on
the right hand side. Starting on the left hand side, lay one of the coupler halves, the center
bearing, torsion spring with the red winding cone and the red cable drum at the left end of
the torsion keyed shaft. Next on the right hand side, lay the other coupler half, center bearing,
the torsion spring with the black winding cone, and the black cable drum at the right end of
the torsion keyed shaft.
Slide the coupler halves, center bearings onto the torsion keyed shafts followed by the torsion
springs and the cable drums, as shown.
IMPORTANT: THE COUPLER HALVES, CENTER BEARINGS, TORSION SPRINGS, CABLE
DRUMS MUST BE POSITIONED, AS SHOWN.
Slide the flat edge of the couple half flush with the side edge of the torsion keyed shaft. Insert
(1) key into the slot of both the coupler half and the slot in the torsion keyed shaft. Tighten
the (2) set screws and the locking nut to secure the coupler half to the torsion keyed shaft,
as shown.
NOTE: Tighten the set screws to 14-15 ft. lbs. of torque (once set screws contact the shaft,
tighten set screws one full turn). Repeat the same process for the other coupler half.
Torsion
keyed
shaft
Center
bearing
Red cable drum
(left hand side)
Black cable drum
(right hand side)
Coupler
halves
Center
coupler
assembly
(3) 3/8” - 16 x 1-3/4” Hex head screws
and (3) 3/8” - 16 Nylon hex lock nut
Set screws
and Lock
nut
Center
bearing
Coupler
halves
Coupler halves
assembled
Set screws
and Lock nut
Key
Key
Torsion keyed shaft
Right hand wound,
red winding cone
(left hand side)
Left hand wound,
black winding cone
(right hand side)
Torsion keyed shaft
Center
bearing
Red cable drum
(left hand side)
Black cable drum
(right hand side)
Coupler
halves
Center
coupler
assembly
(3) 3/8” - 16 x 1-3/4” Hex head screws
and (3) 3/8” - 16 Nylon hex lock nut
Set screws
and Lock
nut
Center
bearing
Coupler
halves
Coupler halves
assembled
Set screws
and Lock nut
Key
Key
Torsion keyed shaft
Right hand wound,
red winding cone
(left hand side)
Left hand wound,
black winding cone
(right hand side)
Center bearing
With assistance and starting on the left hand side of door, pick up the left hand torsion spring
assembly and slide one end of the torsion keyed shaft through the end bearing bracket. Lay
the other side of the torsion keyed shaft into the center bracket. Repeat the same process
for the right hand torsion spring assembly. Position both torsion keyed shafts so that equal
amounts of the shafts extend from each end bearing brackets.
Torsion
keyed
shaft
Center
bearing
Coupler
half
Center bearing
brackets
Left hand end
bearing bracket
Equal
spacing
Right
hand end
bearing
bracket
Equal spacing
Torsion
keyed
shaft
Right hand wound,
red winding cone
(left hand side)
Equal spacing
Center
bracket
bushing
Center bracket
Torsion keyed shafts
Right hand end
bearing bracket
Left hand end
bearing bracket
Torsion Spring Attachment
Tools Required: Step Ladder, Ratchet Wrench, 9/16” Socket, 9/16” Wrench
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NOTE: Refer to Package Contents / Parts Breakdown, to determine which Center Bracket(s)
came with your door.
NOTE: Refer to Package Contents / Parts Breakdown, to determine if your door came with a
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