Assembly & Installation - Steel-Line SD1200 Installation And Operating Instructions Manual

Assembly & Installation
STEP 1. RAIL & TROLLEY ASSEMBLY
Remove packing materials from the rail and retrieve trolley assembly (15) from carton containing the
opener. Locate the base section already installed in the rail and using the four screws provided fix the
trolley to this section in the rail. Ensure that the manual release instruction card (13) is attached to the
manual release cord.
PARTS REQUIRED
(15)
(13)
STEP 2.
Attach straight arm (7) to the trolley assembly with the clevis pin (15) and R-clip (15).
Slide fixing bracket onto rail at the drive end.
PARTS REQUIRED
(7)
(15)
(15)
STEP 3.
Adjust the belt tension by adjusting the nut located at the end of the rail assembly. Always ensure that the
trolley mechanism is disengaged before adjusting the belt tension. Turn clockwise to tighten and
counterclockwise to loosen. Tighten until you remove all the slack in the belt. Do not overtighten but ensure
belt is firm.
STEP 4.
Insert drive cog (11) onto powerhead (1) shaft. Align rail and powerhead and slide rail over drive shaft.
Secure the rail over the opener in either direction (indicated by the arrow on the powerhead) using the two
rail brackets (10) and the hex flange nuts.
PARTS REQUIRED
(1)
(11)
(10)
Page 4
Installation & Operating Instructions
SD1200 - Sectional Garage Door Opener
V2.09/19