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Step 38: Extension Spring Assembly
You will need for this page:
1
Attach pulley with a 3/8" x 1-1/2" bolt and hex nut on
angle which attaches horizontal track to fl ag angle.
Repeat this step for opposite side of door.
2
With a minimum of two people, raise door
to fully open position.
2
Pulley
3
Secure the door fi rmly at both sides
with locking pliers. Connected to the
track as shown.
2
3/8" x 1-1/2" Bolt
and Hex Nut
3/8" Hex Nut
66
17
Pulley
Clamp locking
pliers to back
REVERSE SIDE
leg of track
28FF
3/8" x 1-1/2" Bolt
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