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5
IMPORTANT NOTE: Before the operator is installed, be sure the door has been properly aligned and is working smoothly. Although
each installation will vary due to particular building characteristics, refer to the following general procedures to install the operator.
MOUNT HEADER BRACKET
The trolley operator is generally mounted over the center of the
door. However, off center mounting may be required due to
interfering structures or location of door stile / top section
support. In such cases, the operator may be mounted up to 24"
(60.96 cm) off center on torsion spring doors. Extension springs
require center mounting.
1. Locate the center of the door and mark a line on the wall
directly above the door. Extend this line up the wall.
2. Determine the highest point of door travel. Slowly raise the
door and observe the action of the top section. When the top
section reaches its highest point, use a level and project a line
from this point to the center line the of the door.
MOUNT OPERATOR
1. Allowing the motor to rest on the floor, raise the front end of
the track assembly to the front header bracket and fasten
using the 3/8" dia. x 6.40" long pivot shaft and cotterpins
provided.
3. Using the projected lines for location, mount a suitable wood
block or length of angle iron to the wall above the door
opening. Refer to the illustration below. This will provide a
mounting pad for the front header bracket of the operator. If
necessary reinforce the wall with suitable mounting brackets
to ensure adequate support of mounting pad. Using suitable
hardware, mount the (U-shaped) front header bracket to the
pad.
Header Bracket Drill Pattern
2. Swing the operator to a horizontal position above the guide
rails and temporarily secure with a suitable rope, chain, or
support from the floor. Now open garage door slowly, being
careful not to dislodge the temporary support. Using the door
as a support, place a level against the rail and shim the
operator until it is horizontal. Make sure that the operator is
aligned with the center line of the door.
Operator Alignment
Using the door as support, shim
operator to a horizontal position.
Guide
Rails
3.5"
(8.89 cm)
1.75"
(4.45 cm)
4" (10.16 cm)
Min.
INSTALLATION
High Rise Point
Projection Line
Vertical Center Line of Door
Header WallCarpenter’s
Level
Door Travel
Projection
High Point
of Travel
Header Bracket
Cotterpins
Pivot Shaft
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