Instructions / Assembly
Table Of Contents
- ENGLISH
- Easy step-by-stepinteractive 3D instructions
- Installation Manual
- 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 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 Align the Safety Reversing Sensors
- Adjustments
- Battery Backup
- myQ® App Control
- Operation
- Maintenance
- Troubleshooting
- Warranty
- Repair Parts
13
Assembly
STEP 5 Tighten the Belt
1. By hand, thread the spring trolley nut on the threaded shaft until it is finger tight against the trolley.
Do not use any tools. Remove the screwdriver.
2. Insert a flathead screwdriver tip into one of the nut ring slots and brace it firmly 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.
Spring
Trolley Nut
Nut Ring Slot
Nut RingNut Ring
AFTER
1-1/4" (3.18 cm)
BEFORE
1" (2.5 cm)
STEP 6 Install the Sprocket Cover
To avoid possible SERIOUS INJURY to finger 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"
hex screws provided.
You have now finished assembling your garage door opener. Please read the following warnings before
proceeding to the installation section.
Hex Screw #8x3/8"
(Packed with the sprocket cover)
HARDWARE
Hex Screw
Sprocket Cover