User's Manual
Table Of Contents
- Owner's Manual
- CONTENTS
- Preparation
- Assembly
- Installation
- STEP 1 Determine the header bracket location
- STEP 2 Install the header bracket
- STEP 3 Attach the rail to the header bracket
- STEP 4 Position the garage door opener
- STEP 5 Hang the garage door opener
- STEP 6 Install the light bulbs
- STEP 7 Attach the emergency release rope and handle
- STEP 8 Install the door bracket
- STEP 9 Connect the door arm to the trolley
- STEP 10 Install the door control
- STEP 11 Wire the door control to the garage door opener
- STEP 12 Attach the warning labels
- STEP 13 Install the Protector System®
- STEP 14 Wire the Safety Reversing Sensors
- STEP 15 Connect power
- STEP 16 Ensure the safety reversing sensors are aligned
- STEP 17 Ensure the door control is wired correctly
- Adjustments
- Operation
- Maintenance
- Troubleshooting
- Accessories
- Warranty
- Contact Information
- Repair Parts
- Spanish
9
Assembly
STEP 5 Tighten the chain
1. Spin the inner nut and lock washer down the trolley threaded shaft,awayfrom the trolley.
2. To tighten the chain, turn the outer nut in the direction shown.
3. When the chain isapproximately1/4" (6 mm) above the base of the rail at it's midpoint, re-
tighten the inner nutto secure the adjustment.
Sprocketnoise can result if the chain is too loose.
When installation is complete, you maynotice some chain droop with the door closed. Thisis normal.If
the chain returns to the position shown when the door is open, do not re-adjustthe chain.
NOTES:During future maintenance, ALWAYS pull the emergency release handle to disconnect the
trolley before adjusting the chain.
You may notice loosening of the chain after Adjustment Step 3 (Test the Safety Reversal System). Check
for proper tension and readjust chain if necessary. Then repeat Adjustment Step 3.
You have now finished assembling your garage door opener. Please read the following warnings
before proceeding to the installation section.
Outer
Nut
Lock
Washer
Trolley
Threaded
Shaft
Inner Nut
To Tighten
Inner Nut
To Tighten Outer Nut
Base of Rail
Mid length of Rail
Chain
1/4" (6 mm)