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Garage door with lintel in line with the
garage door
Release the trolley and slide the connection arm into the slot
of the door arm.
Do not move the door arm. Leave in upright position.
1. Trolley
2. Connection Arm
3. Canopy Door Arm
4. Shipping cable tie
5. Screw 5/16” - 18 x 7/8”
6. Nut
1
2
3
FIGURE 14
6
3
2
3
5
3
2
4
FIGURE 15
1. Trolley
2. Connection Arm
3. Canopy Door Arm
Garage door with inward protruding
lintel
1. To install the Chamberlain Door
Arm at inward protruding lintel
situations the door arm must be
mounted in a different way.
2.
Cut down the door arm
supplied with your garage door
operner (275mm).
3. Mount the cut down door arm
to the trolley as shown. Do not
use the slotted arm supplied
with the Chamberlain Door
Arm.
4. Take the curved door arm
supplied with the Garage Door
Opener and fit all as shown
together. If you disconnect the
trolley you can move it easily
in any position for the
installation. Use M8 screws
with lock nuts (not supplied).
5. Tighten the screws fully and
back them off again 1/2 turn.
Open the garage door slowly and carefully by hand.
Watch the movement of the door arm. If the Chamberlain
Door Arm hits the rail before the garage door is fully
open, the angle of the arms must change. Close the
garage door and use another hole to change the angle of
the system. Try again until the Chamberlain Door Arm
does not hit the rail anymore. In some cases raising the
operator head is quicker.
max.225
275
max.225
2
75
max.225
275
max.225
275
max.225
275
114A3167A-GB