ASSEMBLY SECTION
IMPORTANT: If you have a canopy door, you need to use the instructions packed with The Chamberlain
Arm™ Accessory in conjunction with this Owner's Manual when assembling the rail.
Completed Installation
As you proceed with the assembly, installation and adjustment procedures in this manual, you may find it helpful
to refer back to this illustration of a completed installation.
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BEFORE YOU BEGIN:
1. Look at the wall or ceiling above the garage door. The header bracket must be securely fastened to structural
supports.
2. Do you have a finished ceiling in your garage? If so, a support bracket and additional fastening hardware (not
supplied) may be required.
3. Depending on your door's construction, you might need a special door arm. See your dealer.
4. Do you have an access door in addition to the garage door? If not, Model 1702E Outside Quick Release
Accessory is required. This accessory allows manual operation of the garage door from outside in case of
power failure.
(1) Header Sleeve
(2) Idler Pulley Bracket
(3) Trolley
(4) Rail
(5) Chain/Belt
(6) Hanging Bracket
(7) Power Cord
(8) Opener
(9) Light Lens
(10) Manual Release
Rope & Handle
(11) Curved Door Arm
(12) Straight Door Arm
(13) Door Bracket
and Plate
(14) Header Bracket
(15) Trolley Release Arm
3-GB
Install the Chain/Belt
Remove chain/belt from carton and lay chain out on
floor (do not allow chain/belt to twist).
A. Chain: Push pins of master link bar (3) through
chain link (4) and hole in back end of trolley (5).
Push cap (2) over pins and onto notches. Slide
clip-on spring (1) over cap and onto pin notches
until both pins are securely locked in place.
B. Belt: Hook the trolley connector (6) into the slot (7)
on the trolley (8).
Insert Chain/Belt into Rail & Assemble
Header Sleeve
Slide pulley bracket (1) and inner trolley (2) into back
(opener end) of rail assembly (3), be sure to insert
pulley bracket as shown with arrow (4) pointing
toward front (header end) of rail (5). Push bracket
toward front (header end ) of rail (5). Insert carriage
bolt (6) through header sleeve bracket (7). Loosely
thread spring nut (8) and flat washer (9) onto carriage
bolt. Insert carriage bolt (6) of header sleeve
assembly (7) into bold cut out in pulley bracket (1).
Slide header sleeve assembly (7) on to front (header
end) of rail (10).
Attach Trolley to Rail
Slide outer trolley (1) into back (opener) end of the rail
assembly (2), be sure end with trolley release arm (3)
is heading in direction of opener. Slide outer trolley
down rail until it engages with inner trolley.
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8
114A2910B-GB
7
Assemble the Rail
Grease inside edges of rail sections using grease (1).
Place rail pieces (2) on flat surface for assembly. All
four rail sections are interchangeable. Slide rail brace
(3) onto rail section. Connect rail by sliding rail brace
onto next rail section. Tap rail assembly (4) on piece
of wood (5) until rail sections are flush. Repeat with
remaining rail sections.
