Chamberlain 3255-2 1/2 HP - Manual (Page 5)

5
Your garage door opener is packaged in two cartons which
contain the motor unit and all parts illustrated below.
Accessories will depend on the model purchased. If anything is missing, carefully check the packing material.
Parts may be stuck in the foam. Hardware for installation
is also listed below.
Carton Inventory
Straight Door
Arm Section
Curved Door
Arm Section
Safety Labels
and
Literature
Header Bracket
UP
CE ILIN G M OUN T O NL Y
Sprocket Cover
2 Conductor Bell Wire
White & White/Red? Motor Unit with Light Lens
Remote Control
Visor Clip
Door Bracket
Multi-Function
Door Control Panel
LOCK
LIGHT
The Protector System ®
(2) Safety Reversing Sensors
(1 Sending Eye and 1 Receiving Eye)
with 2-Conductor White & White/Black
Bell Wire attached
Safety Sensor
Bracket (2)
One-Piece
Rail
Styrofoam
Chain
Pulley Bracket
Trolley
Chain
SECURITY : ®
Single-Button Remote Control
INSTALLATION HARDWARE
Hex Bolt 5/16"-18x7/8" (4)
Lag Screw 5/16"-9x1-5/8" (2)
Lag Screw 5/16"-18x1-7/8" (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)
Self-Threading Screw 1/4"-14x5/8" (2)
Insulated Staples (30)
Ring Fastener (3)
Drywall Anchors (2)
Rail Grease
Carriage Bolt 1/4"-20x1/2" (2)
Wing Nut 1/4"-20 (2)
Rope
Handle
3245 (1), 3255 (1), 3255-2 (2)