Installation Instructions

18
Spring Installation
NOTE: All torsion spring doors will be furnished with
a Red Warning Label. These labels must be on all
spring anchor brackets in plain view. These Warning
Labels will be supplied on spring anchor brackets or
in the hardware carton. If sticker is missing it is the
responsibility of the installer to contact his supplier
and have them provide needed warning labels for
installation.
Spring anchor bracket mounting location. Mea-
sure from top of door to center of end bearings.
Using this measurement, draw a line at the same
height for shaft location and mount spring anchor
bracket accordingly.
Torque Tube Installation
Slide drums on tube and loosen all set screws.
Slide tube into one end bearing plate then back
through the opposite one. Fasten spring anchor
bracket using
5
/16" x 1
5
/8" red-colored lags. See
warning below. Tube must be straight and level.
(FIG. 1-TOR)
NOTE: Pilot drill in wood with
3
/16" drill.
Spring anchor brackets anchor the springs
to the wall. You must fasten securely with
red-colored fasteners. Never remove spring
anchor bracket when springs are wound.
Always start with the left drum. Slide it against
the end bearing plate and tighten set screws.
Set screws: Tighten set screws enough to
dimple shaft, about 1 1/4 turns after set screws
first hit shaft. Make sure set screws are placed
90 degrees apart.
(FIG. 1-TOR) Bring cable up between wall and
roller shafts behind drum and into notch in edge
of drum. Turn drum and shaft until cable is tight.
Make sure cable stop is seated against drum.
Clamp locking pliers on shaft and against
header to hold cable tight. Wind cable on right
drum and tighten set screws. Tension must be
equal on both cables. Cables are now set. See
spring winding directions. (FIG. 1-TOR)
Auxiliary Shaft Supports
Refer to Figure 1-AT for placement of auxiliary shaft
supports if required.
Solid Shaft Installation
Slide drums on shaft and loosen all set screws.
Install shaft coupler. Insert key and tighten set screw.
Bring cable up between wall and roller shafts, behind
drum and into notch in edge of drum. Turn drum and
shaft until cable is tight. Make sure cable stop is
seated against drum.
Clamp locking pliers onto shaft and against header
to hold cable tight. Repeat procedure for setting
cable on the opposite side. Tension must be equal
on both cables. Bolt shaft coupler together. Cables
are now set. See spring winding directions following.
Auxiliary bearings must be assembled to the
shaft before drums are put on shaft.
*Used on 20' or wider doors or doors 730 lbs.
or greater. To be installed approximately 3" in
from drum.
**Used only on doors over 20' wide with only
two springs. Auxiliary support bearing is to be
installed halfway between spring and drum.
Auxiliary Support**
Extra Spring Anchor Bracket
With Bearing And Retainer
Spring
Anchor
Bracket
Spring
Anchor
Cone
Spring
Winding
Cone
Auxiliary Support*
Extra Spring Anchor
Bracket With Bearing
And Retainer
Left-hand Red
Drum With Red
Set Screws
See “Manual”
End
Fig. 1-AT
Bearing
Plate
90 degrees apart.
(FIG. 2-TOR, View F) Slide either shaft into end
bearing and fasten spring anchor bracket using
5
/
16" x 1
5
/8" red-colored lag screws (wood jambs)
5
/
16" x 1" red-colored self-tapping screws (steel
jambs). Center shaft on the mark made earlier for
proper height. Slide other shaft into opposite side
and align shaft coupler. Clamp shaft coupler together
and fasten spring anchor brackets. Slide both drums
against end bearings and insert
1
/4" x
1
/4" keys and
then tighten set screws. (FIG. 2-TOR, View E)
Remove locking pliers from shaft coupler.
contact with shaft. Make sure set screws are placed
Set screws: Do not exceed 1/2 turn after coming in