Installation Instructions

26
LHR Front Mount Torsion Spring Doors
Attach horizontal track to vertical bracket using
1
/4" x
5
/8" track bolts and flange nuts. Attach
horizontal angle using
3
/8" x
3
/4" carriage bolts
and flange nuts. The end bearing plate will be
positioned and fastened as shown in Figure 11-T.
Some drilling in horizontal angle may be required.
(FIG. 7-T, page 24)
Install springs according to Figure12-T, and wind.
See spring winding on page 19 for more information.
Raise door so that only two sections are in the
horizontal tracks. Align horizontals so that spacing
is equal from front to back. Backhang door as
shown in Figure 6-T. (See important note on
page 17 for additional backhang require-
ments.) Raise door all the way and check for
proper track alignment. Realign horizontal track if
required.
Push track (if adjustable) towards jambs until door
is tight against stop or steel jambs and tighten
track bolts. Adjust top brackets by sliding it up or
down on door in order to position top section
correctly. (FIG. 7-T) Install the inside slide lock or
lock bars (page 12) after springs are wound. Nail
door stop in place if applicable.
Fig. 12-T
(3) Lag Screws
Through End
Bearing Plate
Attached To
Jamb
Center Line
Of Bearing
Top Of
Starter
Angle
(2)
3
/8" Flange Nuts
END BEARING PLATE INSTALLATION
Fig. 11-T
End
Bearing
Plate
(2)
3
/8" x
3
/4"
Carriage
Bolt
Through
End Bearing
Plate And
Starter
Angle
3
/8" Flange Nut
1
1
/4"
Minimum
Bearing Plate And Starter Angle
LHR FRONT TORSION SPRING DOORS
Lefthand
Drum-
Red With
Set
Screws
(See
Exploded
View)
CABLE DRUM —
EXPLODED VIEW
(2)
3
/8" x
3
/4"
Carriage
Bolt
Through
End
Winding Plug
(Black) With
Set Screws
Wind
Down
Spring
Anchor Plate
Spring
Anchor
Bracket
Spring
Anchor
Plugs
Winding Plug (Red)
With Set Screws
End Bearing Plate
(See FIG. 11-T)
Righthand Drum
Black With Set
Screws
Back Hang
Material Supplied
By Installer
Cable
Right Wound
Spring
Left Wound
Spring
Cable
Drill 2 Holes For
3
/8 x
3
/4 Carriage
Bolts
End
Bearing
Plate
(2) Set Screws
Wind Down
Top Section
Of Door
Black
Winding
Cone
Red Left-hand
Cable Drum
(2) Set
Screws
Lift Cable