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Step 8: extension spring counterbalance, Step 7: drum wrap installation – Wayne-Dalton IDRIVE 3982 User Manual

Page 10

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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.
P o s i t i o n t h e d r u m w r a p a s s h o w n

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