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NOTE: The door lifting cable and the extension spring cable are
wrapped oppositely on the drum.
Take the end of the extension spring cable, thread it through and
around the sheave located on the extension spring, then bring the
cable to the front of the track.
COUNTERBALANCE
CABLE ON DRUM
GROOVES
COUNTERBALANCE CABLE
ON SPRING SHEAVE
SHEAVE
CABLE DRUM
SECURED TO FRAMING
MEMBERS
S-HOOK
3-HOLE
CLIP
RELOCATING S-HOOK OR ADJUST-
ING THE CABLE IN THE 3-HOLE CLIP
ADJUST CABLE SO THAT
SPRING STRETCHES 1”, BY
Step 8: Extension Spring Counterbalance
10
Step 7: Drum Wrap Installation
NOTE: Right and Left hand is determined
from inside the garage, looking out.
Drum wraps are right and left. Take the
extension spring cable and unroll it, thread
the free end of the cable through the
rectangular window of the drum wrap.
Position the drum wrap as shown
LEFT HAND
DRUM WRAP
CABLE
DRUM
1/4-20 X 9/16”
TRACK BOLT
1/4-20
FLANGE NUT
FLAG
BRACKET
RECTANGULAR
WINDOW
EXTENSION
SPRING CABLE
DRUM WRAP INSTALLED
SECURE COUNTERBALANCE
CABLE WITH S-HOOK AND 3-
HOLE CLIP
EXTENSION SPRING
COUNTERBALANCE
CABLE
CABLE DRUM
REVERSE
ANGLE