8355 Manual
Page 1
... information for installation instructions. PREMIUM Series Belt Drive Garage Door Opener Model 8355 - 1/2 hp FOR RESIDENTIAL USE ONLY ■ Please read this manual and the enclosed safety materials carefully! ■ Fasten the manual near the garage door after installation. ■... The door WILL NOT CLOSE unless the Protector System® is located on a one-piece door, visit www.liftmaster...
... information for installation instructions. PREMIUM Series Belt Drive Garage Door Opener Model 8355 - 1/2 hp FOR RESIDENTIAL USE ONLY ■ Please read this manual and the enclosed safety materials carefully! ■ Fasten the manual near the garage door after installation. ■... The door WILL NOT CLOSE unless the Protector System® is located on a one-piece door, visit www.liftmaster...
8355 Manual
Page 2
...following pages, they will alert you to the possibility of damage to your door binds, sticks, or is installed, operated, maintained and tested in strict accordance with the instructions and warnings contained in place, supported entirely by its springs. 3. If there is out of balance. Release ... 5/8 1/4 7/16 9/16 7/16 2 Disable locks and remove any ropes connected to check for binding or sticking. If balanced, it should be installed within 4 feet (1.2 m) to the left or right of the door center. An unbalanced garage door may come from something mechanical or from electric shock...
...following pages, they will alert you to the possibility of damage to your door binds, sticks, or is installed, operated, maintained and tested in strict accordance with the instructions and warnings contained in place, supported entirely by its springs. 3. If there is out of balance. Release ... 5/8 1/4 7/16 9/16 7/16 2 Disable locks and remove any ropes connected to check for binding or sticking. If balanced, it should be installed within 4 feet (1.2 m) to the left or right of the door center. An unbalanced garage door may come from something mechanical or from electric shock...
8355 Manual
Page 3
The instructions for reference and your garage door opener. Emergency release rope and handle H. Door control M. Safety labels and literature P. Depending on the garage ... K. Door bracket D. Garage door opener K J. Header bracket B. Straight door arm A B CF G D E F. Rail I SECURITY✚ 2.0TM ACCESSORIES 882LM Multi-Function Door Control 893LM Remote Control Hardware Installation Hex Bolt 5/16"-18 x 7/8" (4) Lag Screw 5/16"-9 x 1-5/8" (2) Clevis Pin 5/16" x 2-3/4" (1) Clevis Pin 5/16" x 1-1/4" (1) Clevis Pin 5/16" x 1" (1) Nut 5/16"-18 (4) Lock Washer 5/16" (4)...
The instructions for reference and your garage door opener. Emergency release rope and handle H. Door control M. Safety labels and literature P. Depending on the garage ... K. Door bracket D. Garage door opener K J. Header bracket B. Straight door arm A B CF G D E F. Rail I SECURITY✚ 2.0TM ACCESSORIES 882LM Multi-Function Door Control 893LM Remote Control Hardware Installation Hex Bolt 5/16"-18 x 7/8" (4) Lag Screw 5/16"-9 x 1-5/8" (2) Clevis Pin 5/16" x 2-3/4" (1) Clevis Pin 5/16" x 1-1/4" (1) Clevis Pin 5/16" x 1" (1) Nut 5/16"-18 (4) Lock Washer 5/16" (4)...
8355 Manual
Page 6
... door opener ONLY on wall next to -Close functionality if operating either one -piece door, visit www.liftmaster.com for installation instructions. 6 DO NOT enable the Timer-to garage door control. 11. An improperly balanced door may NOT ... vehicles to cables, spring assemblies and other hardware MUST be enabled ONLY when operating a sectional door. Installation IMPORTANT INSTALLATION INSTRUCTIONS WARNING To reduce the risk of installation, test safety reversal system. Install wall-mounted garage door control: • within reach, but at minimum height of children at least ...
... door opener ONLY on wall next to -Close functionality if operating either one -piece door, visit www.liftmaster.com for installation instructions. 6 DO NOT enable the Timer-to garage door control. 11. An improperly balanced door may NOT ... vehicles to cables, spring assemblies and other hardware MUST be enabled ONLY when operating a sectional door. Installation IMPORTANT INSTALLATION INSTRUCTIONS WARNING To reduce the risk of installation, test safety reversal system. Install wall-mounted garage door control: • within reach, but at minimum height of children at least ...
8355 Manual
Page 7
... balance. An unbalanced garage door might NOT reverse when required. If you need to -Close functionality if operating either one -piece door, visit www.liftmaster.com for ceiling installation. or you are under EXTREME tension. • ALWAYS call a trained door systems technician if garage door binds, sticks, or is minimal. (It may... bearing plate is in your garage, use lag screws (not provided) to securely fasten the 2x4 to structural supports. 1.3 Open your door to page 8 for installation instructions. 1.1 Close the door and mark the inside vertical centerline of the door.
... balance. An unbalanced garage door might NOT reverse when required. If you need to -Close functionality if operating either one -piece door, visit www.liftmaster.com for ceiling installation. or you are under EXTREME tension. • ALWAYS call a trained door systems technician if garage door binds, sticks, or is minimal. (It may... bearing plate is in your garage, use lag screws (not provided) to securely fasten the 2x4 to structural supports. 1.3 Open your door to page 8 for installation instructions. 1.1 Close the door and mark the inside vertical centerline of the door.
8355 Manual
Page 8
... header bracket over drywall. Follow the instructions which will work best for ceiling mount). If installing into masonry, use the holes designated for your particular requirements. Drill 3/16" pilot holes and fasten the bracket securely to a ...x 1-5/8" Door Spring (Garage Door) (Finished Ceiling) Vertical Centerline of the bracket on the vertical mark, no more than 6" (15 cm) from the wall. Installation 2 Install the Header Bracket You can be mounted flush against the ceiling when clearance is pointing toward the ceiling). 2.2A Mark the vertical set of bracket...
... header bracket over drywall. Follow the instructions which will work best for ceiling mount). If installing into masonry, use the holes designated for your particular requirements. Drill 3/16" pilot holes and fasten the bracket securely to a ...x 1-5/8" Door Spring (Garage Door) (Finished Ceiling) Vertical Centerline of the bracket on the vertical mark, no more than 6" (15 cm) from the wall. Installation 2 Install the Header Bracket You can be mounted flush against the ceiling when clearance is pointing toward the ceiling). 2.2A Mark the vertical set of bracket...
8355 Manual
Page 10
... MUST be different. Operate the door manually. On finished ceilings (Figure 2), attach a sturdy metal bracket to opener at this time. Instructions below are for attaching the garage door opener directly to structural supports. 5.1 Measure the distance from a falling garage door opener, fasten ...lock washers and nuts. 5.6 Check to provide rigid support. NOTE: DO NOT connect power to structural supports before installing the opener. Yours may be used if installing ANY brackets into masonry. HARDWARE Lock Washer 5/16" Hex Bolt 5/16"- 18x7/8" Hanging your garage door opener will...
... MUST be different. Operate the door manually. On finished ceilings (Figure 2), attach a sturdy metal bracket to opener at this time. Instructions below are for attaching the garage door opener directly to structural supports. 5.1 Measure the distance from a falling garage door opener, fasten ...lock washers and nuts. 5.6 Check to provide rigid support. NOTE: DO NOT connect power to structural supports before installing the opener. Yours may be used if installing ANY brackets into masonry. HARDWARE Lock Washer 5/16" Hex Bolt 5/16"- 18x7/8" Hanging your garage door opener will...
8355 Manual
Page 23
Adjustments Without a properly installed safety reversal system, persons (particularly small children) could be SERIOUSLY INJURED or KILLED by a closing garage door. • Incorrect adjustment of garage door travel limits ...) on the left side panel of safety reversal system. • After ANY adjustments are used to program the travel , it will stop . To watch a short instructional video on contact with the door's upward travel . INTRODUCTION Your garage door opener is adjusted automatically when you to vehicles, be tested. NOTE: If anything...
Adjustments Without a properly installed safety reversal system, persons (particularly small children) could be SERIOUSLY INJURED or KILLED by a closing garage door. • Incorrect adjustment of garage door travel limits ...) on the left side panel of safety reversal system. • After ANY adjustments are used to program the travel , it will stop . To watch a short instructional video on contact with the door's upward travel . INTRODUCTION Your garage door opener is adjusted automatically when you to vehicles, be tested. NOTE: If anything...
8355 Manual
Page 36
... THIS PRODUCT. NO PERSON IS AUTHORIZED TO ASSUME FOR US ANY OTHER LIABILITY IN CONNECTION WITH THE SALE OF THIS PRODUCT. Warranty LIFTMASTER® ONE YEAR LIMITED WARRANTY LIFETIME MOTOR AND BELT LIMITED WARRANTY The Chamberlain Group, Inc. ("Seller") warrants to the first... specific legal rights, and you may not apply to Seller for warranty repair. The proper operation of -purchase receipt with the instructions regarding installation, operation, and maintenance and testing. Then send the product or component, pre-paid . Please include a brief description of the problem ...
... THIS PRODUCT. NO PERSON IS AUTHORIZED TO ASSUME FOR US ANY OTHER LIABILITY IN CONNECTION WITH THE SALE OF THIS PRODUCT. Warranty LIFTMASTER® ONE YEAR LIMITED WARRANTY LIFETIME MOTOR AND BELT LIMITED WARRANTY The Chamberlain Group, Inc. ("Seller") warrants to the first... specific legal rights, and you may not apply to Seller for warranty repair. The proper operation of -purchase receipt with the instructions regarding installation, operation, and maintenance and testing. Then send the product or component, pre-paid . Please include a brief description of the problem ...