Wayne Dalton Lowe's 8000 Instrucciones De Instalación Y Manual Del Propietario página 22

7
2
6
5
4
3
Figure 44, Left Side
1 Pawl Knob
2 Ratchet Wrench
3 5/8" Socket
4 3" Ratchet
Extension
NOTE: Mark the number of spring turns onto the end bracket warning tag.
IMPORTANT: Since total turns to balance door can deviate from winding spring
turn chart values by ± 1 turn, adjustments to the recommended number of turns
may be required after rear back hangs are installed.
ATTACHING REAR BACK HANGS
21
(NOT INCLUDED)
CAUTION
HOLD THE DOOR DOWN TO PREVENT IT FROM RISING UNEXPECTEDLY IN
THE EVENT THE SPRING(S) WERE OVER-WOUND AND CAUTIOUSLY REMOVE
LOCKING PLIERS FROM VERTICAL TRACKS.
See Figures 45, 46, and 47 for the following steps.
21a. Raise the door until the top section and half of the next section are in the
horizontal track radius. Do not raise door any further since rear of horizontal tracks
are not yet supported.
WARNING
RAISING THE DOOR INTO THE LOOSE HORIZONTAL TRACKS CAN RESULT IN
DOOR FALLING CAUSING DEATH OR SERIOUS INJURY.
IMPORTANT: If an opener is installed, position horizontal tracks one hole above
level when securing them to the rear back hangs.
21b. Using the chart below, select the appropriate perforated angle. Fabricate and
install rear back hangs, as shown.
Perforated Angle Gauge Weight Limitations:
Perforated Angle Gauge
1-1/4" x 1-1/4" x 16 Gauge
WARNING
KEEP HORIZONTAL TRACKS PARALLEL AND WITHIN 3/4" TO 7/8" (19
MM - 22 MM) MAXIMUM OF DOOR EDGE, OTHERWISE DOOR COULD FALL,
RESULTING IN DEATH OR SERIOUS INJURY.
WARNING
MAKE SURE BACK HANGS ARE BRACED SUFFICIENTLY TO RESIST ANY
1
5 Winding Shaft
6 Mark
7 Counterbalance
Lift Cable
Door Balance Weight
Less than or equal to 350 lbs.
MOTION DURING SPRING APPLICATION AND DOOR TRAVEL. IF BACK
HANGS PIVOT OR DEFLECT, ADD REINFORCEMENT UNTIL THEY REMAIN
FIRM AND STATIONARY. ANY BACK HANG THAT HAS BEEN BENT MUST BE
REPLACED. FAILURE TO SECURELY BRACE THE HORIZONTAL TRACK CAN
RESULT IN DOOR FALLING CAUSING DEATH OR SERIOUS INJURY.
NOTICE
DO NOT SUPPORT THE WEIGHT OF THE DOOR ON ANY PART OF THE REAR BACK
HANGS THAT IS 4" (102 MM) OR MORE BEYOND A SOUND FRAMING MEMBER.
NOTICE
IF REAR BACK HANGS ARE TO BE INSTALLED OVER DRYWALL, USE TWO 5/16" X
2" HEX-HEAD LAG SCREWS AND MAKE SURE LAG SCREWS ENGAGE INTO SOLID
STRUCTURAL LUMBER.
WARNING
FAILURE TO ASSEMBLE AND ATTACH REAR BACK HANGS PROPERLY
ACCORDING TO THE ABOVE INSTRUCTIONS MAY RESULT IN DOOR FALLING
WHEN RAISED, CAUSING DEATH OR SERIOUS INJURY.
NOTICE
PERFORATED ANGLE MUST BE ATTACHED TO SOUND FRAMING MEMBERS AND
NAILS SHOULD NOT BE USED.
90°
Perforated
angle
5/16"-18 x 1-1/4"
Hex bolt
22
(3) 5/16"
Bolts
Figure 45
Perforated angle bolted
using (2) 5/16" x 1-5/8" hex
head lag screws to ceiling
member and perpendicular to
horizontal track
Horizontal
track
5/16" Hex nut
NOTE: Repeat the same
process for right hand side.
Figure 46
(3) 5/16"
Nuts