LiftMaster 3840 3840 Manual - Page 5

Rail Assembly, Installation Hardware - model

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Carton Inventory Your garage door opener is packaged in two cartons which anything is missing, carefully check the packing material. contain the motor unit and all parts illustrated below. Parts may be stuck in the foam. Hardware for installation Accessories will depend on the model purchased. If is also listed below. LOCK LIGHT Smart Control Panel® SECURITY✚® 3-Button Remote Control CEILING MOUNT ONLY UP Remote Control Visor Clip Header Bracket Rail 2 Conductor Bell Wire White & White/Red Curved Door Arm Section Sprocket Coupling Motor Unit with 2 Light Lenses Safety Sensor Bracket (2) Trolley Battery (Optional) The Protector System® (2) Safety Reversing Sensors (1 Sending Eye and 1 Receiving Eye) with 2-Conductor White & White/Black Bell Wire attached Door Bracket Safety Labels and Literature Straight Door Arm Section RAIL ASSEMBLY Coupling Sleeve (1) Hex Bolt 1/4"-20 x 5/8" (4) Nut 1/4" - 20 (4) 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 6-32x1" (2) Self-Threading Screw 1/4"-14x5/8" (2) Insulated Staples (10) Ring Fastener (3) Drywall Anchors (2) Carriage Bolt 1/4"-20x1/2" (2) Wing Nut 1/4"-20 (2) Spacers (2) Rope Handle 5

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5
Straight Door
Arm Section
Curved Door
Arm Section
Safety Labels
and
Literature
Header Bracket
UP
CEILING MOUNT ONLY
2 Conductor Bell Wire
White & White/Red
Remote Control
Visor Clip
Door Bracket
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)
Sprocket Coupling
Trolley
Rail
Motor Unit with 2 Light Lenses
Battery
(Optional)
SECURITY
✚
®
3-Button Remote Control
LOCK
LIGHT
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
RAIL ASSEMBLY
Coupling Sleeve (1)
Hex Bolt 1/4"-20 x 5/8" (4)
Nut 1/4" - 20 (4)
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 6-32x1" (2)
Self-Threading Screw 1/4"-14x5/8" (2)
Insulated Staples (10)
Ring Fastener (3)
Drywall Anchors (2)
Carriage Bolt 1/4"-20x1/2" (2)
Wing Nut 1/4"-20 (2)
Spacers (2)
Rope
Handle
Smart Control Panel
®