Replacement Part List
Table Of Contents
- ENGLISH
- Contents
- Safety Symbol and Signal Word Review
- 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 Attach the Emergency Release Rope and Handle
- STEP 7 Install the Door Bracket
- STEP 8 Connect the Door Arm to the Trolley
- STEP 9 Install the Door Control
- STEP 10 Wire the Door Control to the Garage Door Opener
- STEP 11 Attach the Warning Labels
- STEP 12 Install the Protector System®
- STEP 13 Wire the Safety Reversing Sensors
- STEP 14 Connect Power
- STEP 15 Align the Safety Reversing Sensors
- Adjustments
- Battery Backup
- myQ® App Control
- Camera
- Operation
- Maintenance
- Troubleshooting
- Warranty
- Automatic Garage Door Opener Safety & Maintenance Guide
- Repair Parts
STEP 5 Tighten the Belt
1. By hand, thread the spring trolley nut on the threaded shaft until it is nger tight against the trolley.
Do not use any tools. Remove the screwdriver.
2. Insert a athead screwdriver tip into one of the nut ring slots and brace it rmly against the trolley.
3. Tighten the spring trolley nut with an adjustable wrench or a 7/16" open end wrench about a quarter
turn until the spring releases and snaps the nut ring against the trolley. This sets the spring to
optimum belt tension.
BEFORE
1” (2.5 cm)
Nut Ring
Spring
Trolley Nut
Nut Ring Slot
Nut Ring
AFTER
1-1/4” (3.18 cm)
13
To avoid possible SERIOUS INJURY to nger from moving garage door opener:
l ALWAYS keep hand clear of sprocket while operating opener.
l Securely attach sprocket cover BEFORE operating.
1. Position the sprocket cover over the sprocket as shown and fasten to the mounting plate with #8x3/8"
hexscrews provided.
Youhavenownishedassemblingyourgaragedooropener.Pleasereadthefollowingwarningsbefore
proceeding to the installation section.
Hex Screw #8x3/8”
(Packed with the sprocket cover)
HARDWARE
Sprocket Cover
Hex Screw
Assembly
STEP 6 Install the Sprocket Cover