perforated angle (may not be supplied), (2) 5/16” x
WarningARNING
Exceeding the recommended listed door weight limitations of specific gauge perforated angles may result in door falling when raised, causing severe or fatal injury.
Sound framing members
WarningARNING
Verify perforated back hang angle load ratings with back hang angle supplier.
Perforated Angle Gauge Weight Limitations:
Perforated Angle Gauge | Door Weight |
|
|
2” x 2” x 12 Gauge | Door Weight Less Than 800 lbs. |
Horizontal track
Perforated angle bolted using (2) 5/16” x
(3) 5/16” Bolts and nuts
Perforated angle
Door Weight Less Than 305 lbs. | |
|
|
Door Weight Less Than 220 lbs. | |
|
|
Door Weight Less Than 175 lbs. |
NOTE: If an opener is installed, position horizontal tracks one hole above level when securing it to the rear back hangs.
WarningARNING
Keep horizontal tracks parallel and within 3/4” to 7/8” maxi- mum of door edge, otherwise door could fall, resulting in severe or fatal injury.
IMPORTANT: Do not support the weight of the door on any part of the rear back hangs that cantilevers 4” or more beyond a sound framing member.
NOTE: If rear back hangs are to be installed over drywall, use (2) 5/16” x 2” hex head lag screws and make sure lag screws engage into solid structural lumber.
NOTE: 26” angle must be attached to sound framing members and nails should not be used.
Now, permanently attach the weatherstrips on both door jambs and header. The weather- strips were temporarily attached in Preparing the Opening, in the
NOTE: When permanently attaching the weatherstrips to the jambs, avoid pushing the weath- erstrips too tightly against the face of door.
| Horizontal tracks |
| Vice clamp |
Vice clamp | 2nd Track roller |
|
Sound framing members
(3) 5/16” |
|
Bolts and nuts |
|
Horizontal | Perforated angle bolted |
track | using (2) 5/16” x |
| hex head lag screws to |
Perforated angle | ceiling member and |
parallel to door | |
| |
Hex bolts must extend into the |
|
track to serve as a roller stop |
|
| 3/4” To 7/8” | 3/4” To 7/8” |
| Door edges |
|
| Horizontal tracks |
|
24 | Balancing Door |
|
Tools Required: Ratchet wrench, Socket: 5/8”, 3” Socket extension, Wrench: | ||
5/8”, (2) Vice clamps, Tape measure, Level, Step Ladder |
NOTE: Windows will cause the top section to be significantly heavier than the remaining sections.
Remove any vice clamps. Lift the door and check its balance. Adjust spring(s) if door lifts by itself (hard to pull down) or if door is difficult to lift (easy to pull down). Anytime spring adjust- ments are made, ratchet pawl knob must be in the upper position. An unbalanced door can cause operator or TorqueMaster® Plus operation problems.
Close the door and place vice clamps onto both vertical tracks just above the third track
12