User Manual
Table Of Contents
- Owner’s Manual C870
- 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 Aligning the safety reversing sensors
- STEP 17 Ensure the door control is wired correctly
- Adjustments
- Battery Backup
- MyQ® Smartphone Control
- Operation
- Maintenance
- Troubleshooting
- Accessories
- Warranty
- Repair Parts
- SPANISH
19
Installation
STEP 9 Connect the door arm to the trolley (continued)
OPTION B ONE-PIECE DOORS
IMPORTANT: The groove on the straight door arm MUST face away from the curved door arm.
1. Close the door. Disconnectthe trolley by pulling the emergencyrelease handle.
2. Fasten the straight door arm and the curved door arm together to the longestpossible length
(with a 2 or 3 hole overlap) using the bolts, nuts, and lockwashers.
3. Attach the straight door arm to the door bracket using the clevispin. Secure with the ring
fastener.
4. Attach the curved door arm to the trolley using the clevispin. Secure with the ring fastener.
5. Pull the emergency release handle toward the garage door opener until the trolley release
arm is horizontal.
HARDWARE
Hex Bolt 5/16"-18x7/8"
Nut 5/16"-18
Lock Washer
5/16" -18
Clevis Pin 5/16"x1" Clevis Pin 5/16"x1-1/4"
Ring Fastener
One-Piece Door without Track
One-Piece Door with Track
Ring Fastener
Ring Fastener
Ring Fastener
Nut
Nut
Ring Fastener
Lock Washer
Lock Washer
Clevis Pin 5/16"x1-1/4"
Clevis Pin
5/16"x1-1/4"
Hex Bolts
Hex Bolts
Clevis Pin
5/16"x1"
Clevis Pin
5/16"x1"
Straight Door Arm
(Groove facing out)
Curved Door Arm