9
1/2 HP Chain Drive Garage Door Opener
Emergency Release Lever
C) Attaching the Chain to the M otor and Rail Assembly
To avoid
injury
or
death
:
•
Be sure to
securely
assemble garage door opener components.
•
Never touch any moving part while the garage door opener is in operation.
•
Do not attempt to fix the garage door opener if it jams or malfunctions. Call a garage door installation
professional for assistance.
•
Keep fingers and hands away from all moving parts.
•
Do not attempt to operate the garage door opener at this time.
1. Attach a pair of locking pliers to the rail 8 inches away from the center of the gear on the header section
as shown to hold the trolley in position when attaching the chain.
2. Pull the emergency release lever on the Outer Trolley and separate it from the Inner Trolley.
a. Connect the end of the chain with the cable loop to the Inner Trolley by placing one washer (
∅
6-1.5) onto one
(M6-12) bolt, then place the cable loop onto bolt and insert bolt through the mounting hole on the inner trolley
as shown. Thread one (M6) nut onto bolt and tighten. Make sure cable loop is straight when tightening.
Inner Trolley
Outer Trolley