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PREPARING FOR INSTALLATION
2. SPRING SYSTEM ASSEMBLY
For Extension Springs, No pre-assembly is
needed.
TORSION SPRING PRE-ASSEMBLY
For Torsion Springs, Use the Drawing to the Right as a
guide for assembly of the components to the shaft. The
drawing shows all components required to install single
and dual torsion springs. Use only those parts supplied
with your door.
1) Secure anchor plug(s) to anchor bracket.
NOTE:
Single torsion spring:
should be located on the right side of the anchor
bracket.
If spring is "Right" wound it should be
located on left of anchor bracket. See Figures 2-1
and 2-2 to determine if you have a right wound or left
wound spring.
Dual torsion springs: "Left" wound spring on right side
of bracket and "Right" wound spring on left side.
2) S l i d e t o r s i o n s p r i n g a s s e m b l y o n t o t h e
counterbalance shaft.
3) Install cable drums on shaft. Make sure left and right
drums are on correct ends.
NOTE: Drums are marked "R" for right and "L" for left.
4) Set the spring assembly aside and move on to Step 3.
If spring is "Left" wound it
WARNING TAG
ANCHOR
408622-0001
BRACKET
051070-0000
ANCHOR PLUG
RED LAG SCREWS
5/16" x 2 ½"
P/N 605574-0002
"RED" WINDING PLUG/
SPRING ASSEMBLY
COUNTERBALANCE
LIFT CABLE
SHAFT
NUT
080918-XXXX
SET SCREW
LEFT
3/8-16 x 1"
CABLE DRUM
(TWO PER PLUG)
SET SCREW
3/8-16 x 1"
(TWO PER DRUM)
ANCHOR
PLUG
End View
RIGHT WOUND
FIGURE 2-1
7
SET SCREW
3/8-16 x 1"
(TWO PER DRUM)
"BLACK" WINDING PLUG/
SPRING ASSEMBLY
HEX HEAD BOLT
3/8-16 x 1-1/2"
ANCHOR PLUG
NYLON BEARING
605881-0001
LOCKWASHER
TORSION SPRING
ANCHOR
BRACKET
LEFT
SPRING
RIGHT
SPRING
Wind Direction
End View
LEFT WOUND
FIGURE 2-2
LIFT CABLE
RIGHT
CABLE DRUM
SET SCREW
3/8-16 x 1"
(TWO PER PLUG)
WARNING TAG
408622-0001
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