Attach the Rail to the Motor Unit
To avoid installation difficulties, do not run the garage door opener until instructed to do so.
ïRemove the two washered bolts mounted in top of motor unit.
ïPosition rail at a 45˚ angle to opener so one hole in rail and motor unit line up.
ïThread one of the washered bolts part way in.
Use only these bolts! Use of any other bolts will cause serious damage to door opener.
ïAlign rail and styrofoam over sprocket. Cut tape from rail, chain and styrofoam.
ïREMOVE STYROFOAM.
CAUTION
To avoid SERIOUS damage to garage door opener, use ONLY those bolts/fasteners mounted in the top of the opener.
USE ONLY THIS
TYPE AND SIZE
BOLTWashered Bolt
Styrofoam
Rail
Hole
ASSEMBLY STEP 2
Attach the Chain to the Sprocket and Install the Sprocket Cover
ï | Position chain over the sprocket. If necessary, |
| loosen the outer nut on the trolley to obtain more |
| chain slack. |
ï | Insert the second washered bolt. CAUTION: Use |
| only the bolt previously removed from motor |
| unit! |
WARNING
To avoid possible SERIOUS INJURY to fingers from moving garage door opener:
•ALWAYS keep hand clear of sprocket while operating opener.
•Securely attach sprocket cover BEFORE operating.
Washered Bolts
ï | Tighten both bolts securely through the rail into the |
| motor unit as shown. |
ï | Install the sprocket cover: Insert the back tab in the |
| slot. Squeeze the cover slightly and insert the front |
| tab in the slot on the mounting plate. |
USE ONLY THIS
TYPE AND SIZE
BOLT
Sprocket
Sprocket Cover
Back Tab Slot
Front Tab Slot | Mounting |
| |
| Plate |
6