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ASSEMBLING
THE OPENER:
Remove all items from the packing carton and check against the parts
list given in the owner's manual. If no parts are missing, assemble
the opener on the garage floor and then lift it into place for the
easiest installation. You need a helper and a sturdy 6' to 7' stepladder
to rest the assembly on, while attaching the rail and opener unit
overhead.
While
following these general instructions will give you an idea how the
opener is assembled, follow the owner's manual to the letter.
- Assemble
the rail guide by bolting the sections together.
- Plug
the safety beam/reverse mechanism into the opener unit if it is
not already installed. Do not plug the unit into the outlet. Some
units have built-in safety beam/reverse mechanism, see your manual.
- Attach
the assembled rail to the power unit.
- Attach
the carriage release cord, knob, and emergency release tag to
the carriage.
- Slide
the carriage onto the door end of the rail. Be certain the side
of the carriage with the red cord and release lever is on the
left side of the rail viewing from the door end of the rail.
- Bolt
the chain guide support to the door end of the rail.
- Slide
the chain guide onto the chain guide support and insert the chain
race into the chain guide. Use an open end wrench and thread the
adjusting bolt into the chain guide.
- Stretch
the chain to its full length and place it over the sprocket on
top of the power unit. While keeping the chain taut and straight,
loop the chain over and onto the chain race at the door end of
the rail.
- Allow
the power unit to be suspended. Position the sprocket cover so
the center hole of the cover fits over the shaft protruding from
the power unit. Be certain the bolts are tightened securely.
Set the
chain tension by tightening the adjust ing bolt on the chain guide.
(The chain must not be twisted and must be parallel to the rail).
A slight chain sag is normal, however, the chain should not sag
below the bottom of the rail.
OPENER
UNIT MOUNTING:
There are several methods to mount the opener unit in a track door
system. The assumption is that you have enough overhead room for
the opener unit to be installed with at least 7' of clearance. If
you do not have this amount of clearance, refer to the manual. You
may also need to have a contractor provide the clearance and/or
call your local building department before making any structural
changes. Have someone assist you in this part of the installation.
- Find
the center of the door and mark the door and header.
- Raise
the door to find the highest point of travel and secure it in
this open position.
- Level
from this highest point back to the center of the header and place
a pencil mark there. This is your minimum clearance between the
door and the guide rail.
- Measure
at least 1 " or more up from the high point on the header to locate
your supporting bracket position on the header centerline. This
bracket holds up the end of the guide rail. Some openers require
greater clearances. Refer to your owner's manual for specific
clearances for the bracket or for special instructions if the
door spring is in the way of the header bracket.
- Lift
the assembled unit and rail onto the stepladder and connect the
end of the rail to the header bracket. The assembled unit should
be close to being level. A slight down ward slope to the opener
unit may be allowed.
- Center
on the opener unit in the garage. Check the location by measuring
from the center on the opener unit back to each side of the door.
When the measurements are the same, the unit is centered.
- After
making sure the door does not touch the guide rail, attach the
power unit overhead to the truss cords or ceiling joists.
- Close
the door and locate the door bracket on the centerline at about
the same height as the top door roller. Use the door bracket as
a template to drill through the door and fasten the bracket to
the door with the enclosed carriage bolts or other enclosed hardware.
- Attach
the curved arm to the door bracket, then to the straight arm attached
to the carriage.
- Keep
the opener unit centered and supported level with the attached
end at the header. Measure the distance from the rail guide to
the nearest overhead support. If the opener unit is situated between
overhead joists, install blocking so that the centered unit may
be attached.
- Measure
the diagonal distance from the mounting holes on the unit to the
overhead support, and cut the enclosed straps to fit. Cut the
straps one hole past the measured distance to allow for enough
material.
- Attach
the straps to the unit and then to the overhead support in a criss-cross
fashion. Use the enclosed fastening hardware specified by your
owner's manual.
- Remove
the support stepladder and test the sturdiness of the mounting.
You may need to add other supports to prevent the unit from excessive
movement during operations.
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