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
Other manuals for 8550W
4
This manual suits for next models
10
Other Chamberlain Garage Door Opener manuals
Chamberlain
Chamberlain APT Installation and operating instructions
Chamberlain
Chamberlain GT User manual
Chamberlain
Chamberlain 1265 User manual
Chamberlain
Chamberlain M150 1/2 HP User manual
Chamberlain
Chamberlain CG40S User manual
Chamberlain
Chamberlain Power Drive Security+ PD612C User manual
Chamberlain
Chamberlain LM750EVGB User manual
Chamberlain
Chamberlain LiftMaster Premium Series User manual
Chamberlain
Chamberlain 8500W User manual
Chamberlain
Chamberlain Power Drive PD428D User manual
Chamberlain
Chamberlain Access Master Security+ M385 User manual
Chamberlain
Chamberlain Power Drive Security+ PD752CD User manual
Chamberlain
Chamberlain Security+ 2110 User manual
Chamberlain
Chamberlain POWER DRIVE 7520D 1/2 HP User manual
Chamberlain
Chamberlain LiftMaster CSW24V User manual
Chamberlain
Chamberlain LiftMaster Security+ 311 User manual
Chamberlain
Chamberlain HD520EVG User manual
Chamberlain
Chamberlain 041D9276 Guide
Chamberlain
Chamberlain 1265-267 User manual
Chamberlain
Chamberlain Series OCG User manual
Popular Garage Door Opener manuals by other brands
Liftaway
Liftaway LA-SDO1 instruction manual
Nice
Nice SO2000 Instructions and warnings for installation and use
Craftsman
Craftsman 139.53515SR - I/2HP owner's manual
B&D
B&D PanelPro SDO-4V1 Tri-Tran+ owner's manual
GarageAce
GarageAce R3 installation instructions
ACDC Motorized Solutions
ACDC Motorized Solutions RollerGlide owner's manual
Tormatic
Tormatic W-600 manual
SWS
SWS SeceuroGlide Manual installation instructions
Wayne-Dalton
Wayne-Dalton 8800 Aluminum Full View Installation instructions and owner's manual
Erreka
Erreka NAOS Quick installation and programming guide
Alutech
Alutech LG-500 Assembly and operation manual
Genie
Genie IntelliG 850 Quick reference card
