Chamberlain 8550W User manual

  
           
     
            
        
   
         
  
        
  
         
     
         
        

  
   


  
 
        
    
       
 
        
 
     
 
    
    
 
 
  
 
 
 
 
 
        
  
         
    
     



 
       
myQ®Serial Number:
myQ®Serial Number Product S/N
Product S/N:
Date of Purchase:
/ /
     
                
             
 
                 
                
              



                  
                
      
             
               
   
 
            
                
                  
              
   



     
          
  
     
  
        
          
    
                
              
Check Signal Strength. If you see:
Wi-Fi signal is strong.
The garage door opener will
connect to your Wi-Fi network.
Wi-Fi signal is weak.
The garage door opener may connect to your
Wi-Fi network. If not, try one of the options
below to improve the Wi-Fi signal:
No Wi-Fi signal.
The garage door opener will not be able to
connect to your Wi-Fi network. Try one of the
options below to improve the Wi-Fi signal:
• Move your router closer to the garage door opener to minimize
interference from walls and other objects
• Buy a Wi-Fi range extender
       
            
           
  
    
               
         
             
        
          
       
             
            
       
        
            
  
           
              
     
              
            
               
            
      
               
             
              
   
Torsion
Spring
Extension
Spring
OR



 
3/16
5/32
5/16
7/16
1/2
5/8
9/16
1/4
7/16



     
     

             
              
                
           
  
   
  
   
   
 
     
 
   
     
 
  
    
   
          
        
    
  
   
  

   

  

         
           
        
           
         
  
  
       
    
AB
C
J
N
I
OP
Q
DE
F
H
GK
L
M
Not Provided
Not
Provided



      
             
              
                
           
   
  
   
  
   
   
 
     
 
   
  
   
 
  
    
   
           
       
    
  
  

   

  


      
         
       
          
     
     

           
        
           
         
           
         
        
   
  
       
    
AB
C
K
J
I
P
DE
F
H
G
L
M
N
Q
O
Not
Provided Not
Provided



       
       
 
           
        
     
              
   
                
     
         
            
              
                 

         
        
             
         
               
                 

         
               
Models 8550W, 8550WL, 8550WLB, 8550WLB-267, WLED, and WLED-267
Model 8557W
Washered Bolt
5/16"-18x1/2"
Hex Screw
#8x3/8"
Lock Nut
Hex Screw
#8x3/8"
(Packed with the
sprocket cover)
Lock Nut
(Mounted in the
garage door opener)
Model 8557W (1)
Washered Bolt
5/16"-18x1/2"
Hex Screw
#8x3/8"
HARDWARE
Washered Bolt 5/16"-18x1/2"
(Mounted in the garage door opener)
Models 8550W, 8550WL, 8550WLB,
8550WLB-267, WLED, and WLED-267 (2)
Model 8557W (1)



  
       
 
                  
     
                  

                 
                
    
Spring Trolley Nut
(To motor unit)
Nut ring
slot
Nut Ring Nut Ring
AFTER RELEASE
1-1/4"
(3.18 cm)
BEFORE
1"
(2.5 cm)
1
2
3



       
    
              
   
                
     
             
                 

            
         
           
               
        
               
    
Washered Bolt
5/16"-18x1/2"
(Mounted in the garage
door opener)
HARDWARE
Lock Nut
(Mounted in the
garage door opener)
Lock
Nut
Washered Bolt
5/16"-18x1/2"
Hex Screws 8-32x1"
Washers
Chain Spreader6-Tooth
Sprocket
8-Tooth
Sprocket
Chain Spreader
Models 8587W and 8587WLB only
Motor Unit Mounting Plate Motor Unit Mounting Plate



    
    
           
        
     
        
                 

                 
               
              
Washerd Bolt
5/16"-18x1/2"
Screw
#8-32x3/8"
Hex Bolt
1/4"-20x5/8"
Lock
Washer
  
            
                     

    
              
                  
     
1/2" (13 mm)



  
        
        
             
            
  
               
     
             
   
               
                
       
             
             
        
     
     
            
         
       
             
 
            
 
           
               
             
           
 



    
      
             
            
 
            
             
        
               
         
           
          
            
                  
                      
                   
                 
                  

                 
                  
  
                
         
Header Wall
Unfinished
Ceiling
Vertical Centerline
of Garage Door
2x4
2x4
Structural
Supports
Level
(Optional)
OPTIONAL
CEILING
MOUNT FOR
HEADER
BRACKET
Sectional door with curved track
Header Wall
Track
2" (5 cm)
Highest Point
of Travel
Door



   
                  
              
           
HARDWARE
Lag Screw 5/16"-9x1-5/8"
    
                
          
                
               
Wall Mount
Optional
Mounting
Holes
Vertical
Centerline of
Garage Door
(Header Wall)
Header
Bracket
2x4 Structural
Support
Door Spring
(Garage Door)
Highest Point of
Garage Door
Travel
Horizontal
Line
Lag Screw
5/16"-9 x 1-5/8"
    
         
                  
               
  
                
   
(Header Wall)
Ceiling Mounting Holes
(Finished Ceiling)
Vertical
Centerline of
Garage Door
Header
Bracket
6" (15 cm)
Maximum
Door Spring
(Garage Door)
Lag Screw
5/16"-9 x 1-5/8"



      
                 
       
             
Ring
Fastener
Clevis Pin
5/16" X 2-3/4"
HARDWARE
Clevis Pin 5/16" x 2-3/4" Ring Fastener
    
                 

             
             
                    
                    
                
       
Connected Disconnected



    
              
              

            
              
              
            
              
          
        
                 
                

                    
      
                 
         
FIGURE 1 FIGURE 2
(Not Provided)
Lag Screws
5/16"- 18x1-7/8"
Measure
Distance
Hex Bolt 5/16"- 18x7/8", Lock Washer 5/16", Nut 5/16"-18
FIGURE 3
Not Provided
Finished Ceiling
Unfinished Ceiling
Hex Bolt 5/16"- 18x7/8" Nut 5/16"-18Lock Washer 5/16"
HARDWARE



   
       
   
          
          
 
       
           
    
        
               
          
     
                 
                  

      
or or
      
           
             
             
   
            

               

                
                   
 
                 
             
            
                   
                
 
Trolley
Release Arm



   
          
             
            
         
       
     
        
       
        
        
      
      
 
                
             

              
          
                  
          
            
            
     
             

           
       
           

 
                
              

              
FIGURE 1
FIGURE 3
Vertical Reinforcement
Vertical Centerline
of Garage Door
UP
Door Bracket Self-Threading Screw
1/4"-14 x 5/8"
Self-Threading
Screw
1/4"-14 x 5/8"
Vertical Centerline
of Garage Door
UP
FIGURE 4
Vertical
Centerline of
Garage Door
Bolt 5/16"-18 x 2"
(Not provided)
UP
Inside Edge of Door or
Reinforcement Board
FIGURE 2
Vertical Reinforcement
Bolt 5/16"-18 x 2"
(Not provided)
Lock Washer 5/16"
Nut 5/16"-18
Door Bracket
UP
Vertical
Centerline
of Garage Door
Self-Threading Screw
1/4"-14 x 5/8"
HARDWARE



      
               
              
          
                 

                 

                 
          
                 
            
              
             

Straight
Door Arm Curved
Door
Arm
(Groove
facing
out)
CORRECT
Straight
Door
Arm
Curved
Door
Arm
INCORRECT
Clevis Pin 5/16" x 1-1/4"
Ring Fastener
Clevis Pin
5/16" x 1"
Nut 5/16"-18
Lock
Washer
5/16"
Hex Bolt
5/16"-18 x 7/8"
HARDWARE
Hex Bolt 5/16"-18 x 7/8"
Nut 5/16"-18
Lock Washer 5/16"
Clevis Pin 5/16" x 1"
Clevis Pin 5/16" x 1-1/4"
Ring Fastener


   
   
        
         
         
           
               
            
         
             
 
               
   
            
     

             
               
          
                  
               
                  
        
        
HARDWARE
Screw
6AB x 1" (2)
Drywall
Anchors (2)
Screw
6-32 x 1" (2)
                
                    
   
          
             
             
             
                
          
                
                 
  
7/16" (11 mm) Wall
1 2 3
DRYWALL GANG BOX
6AB x 1"
6-32 x 1"
Drywall Anchor
4-5 6
6-32 x 1"
GANG BOX
8 DRYWALL
6AB x 1"
Drywall Anchor
7