Chamberlain ARM 1703 Manual Del Usuario página 28

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Planning
You may find it helpful to refer to the applicable
illustration as you proceed with the installation of
your garage door operator and The Chamberlain
Arm™. The garage door opener must be installed
parallel to the floor.
Follow rail assembly instructions as shown in the
Owner's manual. For fitting rail with canopy arm
use this manual.
1. Header wall
2. Header bracket
3. Garage door opener rail
4. Ceiling
5. Garage door opener
hanging brackets
6. Trolley
7. Extension arm
8. Garage door
9. Garage door spring
Header Bracket Installation
For a canopy door, the instructions (Figures 2A & 2B)
replace Step 13 in the Owner's manual which refer to
positioning the header bracket. If you have an inward
facing lintel, which does not allow the header bracket
to be fitted directly above the garage door, you should
refer to step Garage door with inward protruding lintel.
For dual track doors, install the header bracket
50mm (2") above the high point of door travel as
shown in the Owner's manual.
Standard canopy garage doors
Canopy doors are normally provided without a frame,
for fixing to a timber frame. In this case, ensure header
bracket is located as shown below:
1
17 mm
2
113.5 mm
3
4
3
5
5
10. Operator
11. Garage door opener
manual release
12. Chamberlain Arm™
13. Garage door track
14. Garage door, should
be horizontal in fully
open position
15. Use limit adjustment of
garage door opener to
level the garage door
PICTURE 2A
7
If the door has a lip,
measure from
the top of the door,
not the top of the lip.
PICTURE 1
1
3
2
14
9
8
15
12
13
Canopy Door with Structural Obstruction and
4 rail sections
1
3
4
2
8
15
13
Garage Door with Dual Tracks – (vertical and
horizontal)
For pre-hung canopy garage doors
For doors either pre-hung in a metal frame or supplied
with a metal frame for self-assembly, ensure header
bracket is located as shown below:
1
2
3
4
6
1. Header bracket
2. Header frame
3. Top of Garage Door
4. Door jamb
5
4
6
7
17
11
5
6
7
11
12
17 mm
PICTURE 2B
5. Garage Door
6. Pre-hung door with frame
7. Lip
10
10
41 mm

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