Wayne-Dalton 3982 Drum Wrap Installation, Extension Spring Counterbalance

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

DRUM WRAP INSTALLED

RECTANGULAR	LEFT HAND
WINDOW	DRUM WRAP
	EXTENSION
	SPRING CABLE

CABLE

DRUM

FLAG

BRACKET

1/4-20 X 9/16”

TRACK BOLT

1/4-20

FLANGE NUT

Step 8: Extension Spring Counterbalance
		EXTENSION SPRING	REVERSE
		COUNTERBALANCE	ANGLE
NOTE: The door lifting cable and the extension spring cable	are
wrapped oppositely on the drum.		CABLE
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			CABLE DRUM
GROOVES

S-HOOK 3-HOLE

CLIP

SECURE COUNTERBALANCE CABLE WITH S-HOOK AND 3- HOLE CLIP

CABLE DRUM

SHEAVE

COUNTERBALANCE CABLE

ON SPRING SHEAVE

SECURED TO FRAMING MEMBERS

ADJUST CABLE SO THAT SPRING STRETCHES 1”, BY RELOCATING S-HOOK OR ADJUST- ING THE CABLE IN THE 3-HOLE CLIP

10