Chamberlain 2500B Garage Door Opener User Manual


 
5
Straight Door
Arm Section
Curved Door
Arm Section
Header Bracket
U
P
C
E
IL
IN
G
M
O
U
N
T
O
N
L
Y
2-Conductor Bell Wire
White & White/Red
Safety Labels
and
Literature
Remote Control
Transmitter Visor Clip
Door Bracket
SECURITY
3-Button Remote Control
(2) Safety Reversing Sensors
(1 Sending Eye and 1 Receiving Eye)
with 2-Conductor White & White/Black
Bell Wire attached
Safety Sensor
Bracket (2)
Belt Cap Retainer
One-Piece
T-rail
Styrofoam
Belt
Pulley Bracket
Belt
Trolley
Multi-Function
Door Control Panel
L
O
C
K
LIGHT
Motor Unit with Light Lens
Your garage door opener is packaged in two cartons
which contain the motor unit and the parts illustrated
below. Note that accessories will depend on the
model purchased. If anything is missing, carefully
check the packing material. Parts may be stuck in the
foam. KEEP THE FOAM INTACT (see page 6.)
Carton Inventory
Hardware Inventory
INSTALLATION HARDWARE
Hex Screw #8x3/8" (3)
Hex Bolt 5/16"-18x7/8" (4)
Lag Screw 5/16"-9x1-5/8" (2)
Lag Screw 5/16"-18x1-7/8" (2)
Self-Threading Screw 1/4"-14x5/8" (2)
Clevis Pin 5/16"x2-3/4" (1)
Clevis Pin 5/16"x1-1/4" (1)
Clevis Pin 5/16"x1" (1)
Nut 5/16"-18 (4)
Lock Washer 5/16" (4)
Screw 6ABx1-1/4" (2)
Screw 6-32x1" (2)
Insulated Staples (30)
Ring Fastener (3)
Handle
Drywall Anchors (2)
Rope
Carriage Bolts 1/4"-20x1/2" (2)
Wing Nut 1/4"x20 (2)