Chamberlain LiftMaster PROFESSIONAL SECURITY+ 3255-2CM Manuel Du Propriétaire page 5

Carton Inventory
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.
Multi-Function
Door Control Panel
Motor Unit with Light Lens
Header Bracket
Chain
Pulley Bracket
Safety Sensor
Bracket (2)
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)
If anything is missing, carefully check the packing material.
Parts may be stuck in the foam. Hardware for installation
is also listed below.
Models 3245CM, 3255CM (1)
Model 3255-2CM (2)
®
SECURITY
Single-Button Remote Control
2 Conductor Bell Wire
White & White/Red
Trolley
®
The Protector System
(2) Safety Reversing Sensors
(1 Sending Eye and 1 Receiving Eye)
with 2-Conductor White & White/Black
Bell Wire attached
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
5
Remote Control
Visor Clip
Chain
One-Piece
Rail
Curved Door
Arm Section
Door Bracket
Safety Labels
and
Literature
Sprocket Cover
Styrofoam
Straight Door
Arm Section