Chamberlain 3265M-267 1-2 HP User Manual

®

GARAGE DOOR OPENER

Models 3265M 1/2 HP

3265M-267 1/2 HP

For Residential Use Only

The Chamberlain Group, Inc.

845 Larch Avenue

Elmhurst, Illinois 60126-1196

www.liftmaster.com

Owner’s Manual

■ Please read this manual and the enclosed safety materials carefully!

■ Fasten the manual near the garage door after installation.

■ The door WILL NOT CLOSE unless the Protector System

■ Periodic checks of the opener are required to ensure safe operation.

■ The model number label is located on the front panel of your opener.

®

is connected and properly aligned.

TABLE OF CONTENTS

Introduction 2-5

Safety symbol and signal word review . . . . . . . . . . . . . . . 2

Preparing your garage door . . . . . . . . . . . . . . . . . . . . . . . 3

Tools needed. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Planning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Carton inventory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Installation hardware. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Assembly 6-7

Attach the rail to the motor unit . . . . . . . . . . . . . . . . . . . . 6

Attach the chain to the sprocket . . . . . . . . . . . . . . . . . . . . 6

Tighten the chain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Installation 7-22

Installation safety instructions . . . . . . . . . . . . . . . . . . . . . 7

Determine the header bracket location . . . . . . . . . . . . . . . 8

Install the header bracket . . . . . . . . . . . . . . . . . . . . . . . . . 9

Attach the rail to the header bracket . . . . . . . . . . . . . . . . 10

Position the opener. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Hang the opener . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Install the door control . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Install the light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Attach the emergency release rope and handle. . . . . . . . 13

Electrical requirements . . . . . . . . . . . . . . . . . . . . . . . . . . 14

®

Install the Protector System

Fasten the door bracket. . . . . . . . . . . . . . . . . . . . . . . 19-20

Connect the door arm to the trolley . . . . . . . . . . . . . 21-22

. . . . . . . . . . . . . . . . . . 15-18

Adjustment 23-25

Adjust the travel limits . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Adjust the force. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Test the safety reversal system. . . . . . . . . . . . . . . . . . . . 25

®

Test the Protector System

. . . . . . . . . . . . . . . . . . . . . . 25

Operation 26-30

Operation safety instructions . . . . . . . . . . . . . . . . . . . . . 26

Using your garage door opener . . . . . . . . . . . . . . . . . . . 26

Using the wall-mounted door control . . . . . . . . . . . . . . . 27

To open the door manually . . . . . . . . . . . . . . . . . . . . . . . 27

Care of your garage door opener . . . . . . . . . . . . . . . . . . 28

Having a problem? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

Diagnostic chart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

Programming 31-32

To add or reprogram a hand-held remote control. . . . . . 31

To erase all codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

3-Button remotes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

To add, reprogram or change a Keyless Entry PIN . . . . . 32

Repair Parts 33-34

Rail assembly parts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

Installation parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

Motor unit assembly parts . . . . . . . . . . . . . . . . . . . . . . . 34

Accessories 35

Repair Parts and Service Back Page

Warranty Back Page

INTRODUCTION

Safety Symbol and Signal Word Review

This garage door opener has been designed and tested to offer safe service provided it is installed, operated, maintained
and tested in strict accordance with the instructions and warnings contained in this manual.

When you see these Safety Symbols and Signal Words on
the following pages, they will alert you to the possibility

Mechanical

Electrical

of serious injury or death if you do not comply with the
warnings that accompany them. The hazard may come
from something mechanical or from electric shock. Read
the warnings carefully.

When you see this Signal Word on the following pages, it
will alert you to the possibility of damage to your garage
door and/or the garage door opener if you do not comply
with the cautionary statements that accompany it. Read
them carefully.

2

Preparing your garage door

Before you begin:

• Disable locks.

• Remove any ropes connected to garage door.

• Complete the following test to make sure your garage
door is balanced and is not sticking or binding:

1. Lift the door about halfway as shown. Release the

door. If balanced, it should stay in place, supported
entirely by its springs.

2. Raise and lower the door to see if there is any

binding or sticking.

If your door binds, sticks, or is out of balance, call a
trained door systems technician.

To prevent possible SERIOUS INJURY or DEATH:

• ALWAYS call a trained door systems technician if
garage door binds, sticks or is out of balance. An
unbalanced garage door may NOT reverse when
required.

• NEVER try to loosen, move or adjust garage door,
door springs, cables, pulleys, brackets or their
hardware, ALL of which are under EXTREME tension.

• Disable ALL locks and remove ALL ropes connected
to garage door BEFORE installing and operating
garage door opener to avoid entanglement.

To prevent damage to garage door and opener:

• ALWAYS disable locks BEFORE installing and
operating the opener.

• ONLY operate garage door opener at 120V, 60 Hz to
avoid malfunction and damage.

Sectional Door

Stepladder

One-Piece Door

Carpenter’s
Level (optional)

Drill

2

1

Tape Measure

3/16", 5/16"
and 5/32" Drill Bits

1/2", 7/16" Sockets
and Wrench

Tools needed

During assembly, installation and adjustment of the opener,
instructions will call for hand tools as illustrated below.

Pencil

Wire Cutters

Pliers

Hack Saw

Claw Hammer

Screwdriver

Adjustable End Wrench

3

Planning

— — — — — — — —

Identify the type and height of your garage door. Survey
your garage area to see if any of the conditions below
apply to your installation. Additional materials may be
required.

You may fi nd it helpful to refer back to this page and
the accompanying illustrations as you proceed with the
installation of your opener.

SECTIONAL DOOR INSTALLATION

Horizontal and vertical reinforcement
is needed for lightweight garage doors
(fi berglass, steel, aluminum, door with
glass panels, etc.). See page 19 for details.

Header Wall

Vertical Centerline
of Garage Door

Gap between fl oor and bottom of

Safety Reversing Sensor

door must not exceed 1/4" (6 mm).

ONE-PIECE DOOR WITHOUT TRACK

Slack in chain tension
is normal when garage

Header Wall

door is closed.

Wall­mounted
Door
Control

Slack in chain tension
is normal when garage
door is closed.

Torsion Spring

Safety Reversing Sensor

FINISHED CEILING

Support bracket &
fastening hardware is
required. See page 11.

ONE-PIECE DOOR WITH TRACK

FINISHED CEILING

Support bracket &
fastening hardware is
required. See page 11.

Extension Spring

OR

Access Door

Slack in chain tension is normal
when garage door is closed.

Motor Unit

Wall-mounted
Door Control

Motor Unit

Safety Reversing
Sensor

Safety Reversing Sensor

Gap between fl oor and bottom of door
must not exceed 1/4" (6 mm)

Access
Door

4

Safety Reversing
Sensor

Access
Door

Safety Reversing Sensor
Gap between fl oor and bottom of
door must not exceed 1/4" (6 mm)

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.

If anything is missing, carefully check the packing material.
Parts may be stuck in the foam. Hardware for installation is
also listed below.

LOCK

LIGHT

Multi-Function Door
Control Panel

Motor Unit with Light Lenses

CEILING MOUNT ONLY

UP

Header Bracket

Chain Pulley
Bracket

Safety Reversing
Sensor Brackets (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)

SECURITY✚®

Keyless Entry
Model 3265M-267 Only

Remote Control
Transmitter Visor Clip

Trolley

2-Conductor Bell Wire
White & White/Red

The Protector System
(2) Safety Reversing Sensors
(1 Sending Eye and 1 Receiving
Eye) with 2-Conductor White &
White/Black Bell Wire attached

SECURITY✚®

3-Button Remote Control
Model 3265M (1)
Model 3265M-267 (2)

One-Piece T-rail

®

Chain

Door Bracket

Safety Labels
and Literature

Insulated Staples (30)
Ring Fastener (3)
Drywall Anchors (2)
Carriage Bolt 1/4"-20x1/2" (2)
Wing Nut 1/4"-20 (2)
Rope
Handle

Sprocket Cover

Styrofoam

Curved Door

Arm Section

Straight Door
Arm Section

5

ASSEMBLY STEP 1

Attach the Rail to the Motor Unit

To avoid installation diffi culties, do not run the garage
door opener until instructed to do so.

• Remove the two washered bolts mounted in top of
motor unit.

• Position rail at a 45˚ angle to opener so one hole in rail
and motor unit line up.

• Thread one of the washered bolts part way in.

Use only these bolts! Use of any other bolts will cause
serious damage to door opener.

• Align rail and styrofoam over sprocket. Cut tape from
rail, chain and styrofoam.

• REMOVE STYROFOAM.

ASSEMBLY STEP 2

Attach the Chain to the Sprocket and Install
the Sprocket Cover

• Position chain over the sprocket. If necessary, loosen
the outer nut on the trolley to obtain more chain slack.

• Insert the second washered bolt. CAUTION: Use only

the bolt previously removed from motor unit!

• Tighten both bolts securely through the rail into the
motor unit as shown.

• Install the sprocket cover: Insert the back tab in the
slot. Squeeze the cover slightly and insert the front tab
in the slot on the mounting plate.

To avoid SERIOUS damage to garage door opener,
use ONLY those bolts/fasteners mounted in the top of
the opener.

USE ONLY THIS
TYPE AND SIZE

BOLT

Washered Bolt
5/16"-18x12"

Styrofoam

Rail Hole

To avoid possible SERIOUS INJURY to fi ngers from
moving garage door opener:

• ALWAYS keep hand clear of sprocket while operating
opener.

• Securely attach sprocket cover BEFORE operating.

Washered Bolt
5/16"-18x12"

USE ONLY THIS
TYPE AND SIZE

BOLT

Sprocket

Front Tab Slot

Mounting Plate

6

Sprocket Cover

Back Tab Slot

ASSEMBLY STEP 3

WARNING

WARNING

WARNING WARNING

Tighten the Chain

• Spin the inner nut and lock washer down the trolley
threaded shaft, away from the trolley.

• To tighten the chain, turn outer nut in the direction
shown (Figure 1).

• When the chain is approximately 1/2" (13 mm) above
the base of the rail at its midpoint, re-tighten the inner
nut to secure the adjustment.

Sprocket noise can result if chain is too loose.
When installation is complete, you may notice some chain

droop with the door closed. This is normal. If the chain
returns to the position shown in Figure 2 when the door is
open, do not re-adjust the chain.

NOTE: During future maintenance, ALWAYS pull the
emergency release handle to disconnect trolley before
adjusting chain. You may notice loosening of chain after
Adjustment Step 3 (Test the Safety Reversal System).
Check for proper tension and readjust chain if necessary.
Then repeat Adjustment Step 3.

You have now fi nished assembling your garage door
opener. Please read the following warnings before
proceeding to the installation section.

Figure 1

To Tighten Outer Nut

Trolley

Figure 2

Base of Rail

Chain

Outer Nut

Mid Length of Rail

Lock

Washer

Inner Nut

To Tighten Inner Nut

1/2" (13 mm)

INSTALLATION

IMPORTANT INSTALLATION INSTRUCTIONS

To reduce the risk of SEVERE INJURY or DEATH:

1. READ AND FOLLOW ALL INSTALLATION
WARNINGS AND INSTRUCTIONS.

2. Install garage door opener ONLY on properly
balanced and lubricated garage door. An improperly
balanced door may NOT reverse when required and
could result in SEVERE INJURY or DEATH.

3. ALL repairs to cables, spring assemblies and other
hardware MUST be made by a trained door systems
technician BEFORE installing opener.

4. Disable ALL locks and remove ALL ropes connected
to garage door BEFORE installing opener to avoid
entanglement.

5. Install garage door opener 7 feet (2.1 m) or more
above fl oor.

6. Mount emergency release handle 6 feet (1.8 m)
above fl oor.

7. NEVER connect garage door opener to power source
until instructed to do so.

8. NEVER wear watches, rings or loose clothing while
installing or servicing opener. They could be caught
in garage door or opener mechanisms.

9. Install wall-mounted garage door control:

• within sight of the garage door.

• out of reach of children at minimum height

of 5 feet (1.5 m).

• away from ALL moving parts of the door.

10. Place entrapment warning label on wall next to
garage door control.

11. Place manual release/safety reverse test label in
plain view on inside of garage door.

12. Upon completion of installation, test safety reversal
system. Door MUST reverse on contact with a
1-1/2" (3.8 cm) high object (or a 2x4 laid fl at) on
the fl oor.

7

INSTALLATION STEP 1

Determine the Header Bracket Location

To prevent possible SERIOUS INJURY or DEATH:

• Header bracket MUST be RIGIDLY fastened to
structural support on header wall or ceiling,
otherwise garage door might NOT reverse when
required. DO NOT install header bracket over drywall.

• Concrete anchors MUST be used if mounting header
bracket or 2x4 into masonry.

• NEVER try to loosen, move or adjust garage door,
springs, cables, pulleys, brackets, or their hardware,
ALL of which are under EXTREME tension.

• ALWAYS call a trained door systems technician if
garage door binds, sticks, or is out of balance. An
unbalanced garage door might NOT reverse when
required.

Installation procedures vary according to garage door
types. Follow the instructions which apply to your door.

1. Close the door and mark the inside vertical centerline
of the garage door.

2. Extend the line onto the header wall above the door.

You can fasten the header bracket within 4 feet

(1.22 m) of the left or right of the door center only if
a torsion spring or center bearing plate is in the way;
or you can attach it to the ceiling (see page 9) when
clearance is minimal. It may be mounted on the wall
upside down if necessary, to gain approximately 1/2"
(1 cm).

If you need to install the header bracket on a 2x4

(on wall or ceiling), use lag screws (not provided)
to securely fasten the 2x4 to structural supports as
shown here and on page 9.

3. Open your door to the highest point of travel as shown.
Draw an inter secting horizontal line on the header wall
above the high point:

• 2" (5 cm) above the high point for sectional door

and one-piece door with track.

• 8" (20 cm) above the high point for one-piece door

without track.

This height will provide travel clearance for the top

edge of the door.

NOTE: If the total number of inches exceeds the height

available in your garage, use the maximum height
possible, or refer to page 9 for ceiling installation.

Unfi nished Ceiling

Header Wall

Vertical Centerline
of Garage Door

Level
(optional)

Header Wall

2" (5 cm)

Track

Highest Point
of Travel

Door

Sectional door with
curved track

Header Wall

8" (20 cm)

Door

Jamb
Hardware

One-piece door without track:
jamb hardware

Highest
Point
of Travel

OPTIONAL
CEILING
MOUNT
FOR

2x4

Door

One-piece door with
horizontal track

Door

One-piece door without track:
pivot hardware

HEADER
BRACKET

2x4

Header Wall

2" (5 cm)

Highest Point
of Travel

Header Wall

8" (20 cm)

Structural
Supports

Track

Highest
Point
of Travel

Pivot

8

INSTALLATION STEP 2

Install the Header Bracket

You can attach the header bracket either to the wall above
the garage door, or to the ceiling. Follow the instructions
which will work best for your particular requirements. Do

not install the header bracket over drywall. If installing
into masonry, use concrete anchors (not provided).

WALL HEADER BRACKET INSTALLATION

• Center the bracket on the vertical centerline with the
bottom edge of the bracket on the horizontal line as
shown (with the arrow pointing toward the ceiling).

• Mark the vertical set of bracket holes (do not use the
holes designated for ceiling mount). Drill 3/16" pilot
holes and fasten the bracket securely to a structural
support with the hardware provided.

HARDWARE SHOWN ACTUAL SIZE

Wall Mounting Holes

- Header Wall -

2x4
Structural
Support

Optional Wall
Mounting Holes

Header
Bracket

The nail hole is for
positioning only. You
must use lag screws
to mount the header
bracket.

Vertical Centerline
of Garage Door

Lag Screws
5/16"-9x1-5/8"

Door Spring

Lag Screw
5/16"-9x1-5/8"

CEILING HEADER BRACKET INSTALLATION

• Extend the vertical centerline onto the ceiling as shown.

• Center the bracket on the vertical mark, no more than 6"
(15 cm) from the wall. Make sure the arrow is pointing
toward the wall. The bracket can be mounted fl ush
against the ceiling when clearance is minimal.

• Mark the side holes. Drill 3/16" pilot holes and fasten
bracket securely to a structural support with the
hardware provided.

Ceiling Mounting Holes

Horizontal Line

Highest Point
of Garage
Door Travel

6" (15 cm)
Maximum

Door
Spring

- Garage Door -

Vertical Centerline
of Garage Door

- Finished Ceiling -

Vertical Centerline
of Garage Door

Header
Bracket

Lag Screws
5/16"-9x1-5/8"

Header Wall

The nail hole is for
positioning only. You
must use lag screws
to mount the header
bracket.

Garage Door

Vertical
Centerline
of Garage
Door

9

INSTALLATION STEP 3

Attach the Rail to the Header Bracket

• Position the opener on the garage fl oor below the
header bracket. Use packing material as a protective
base. NOTE: If the door spring is in the way you’ll need

help. Have someone hold the opener securely on a
temporary support to allow the rail to clear the spring.

• Position the rail bracket against the header bracket.

• Align the bracket holes and join with a clevis pin
as shown.

• Insert a ring fastener to secure.

HARDWARE SHOWN ACTUAL SIZE

Ring Fastener

Header Wall

Header Bracket

Chain Pulley Bracket

Rail

Garage Door

Header
Bracket

Clevis Pin
5/16"x2-3/4"

Chain Pulley

Bracket

Ring
Fastener

Rail

Clevis Pin 5/16"x2-3/4"

INSTALLATION STEP 4

Position the Opener

Follow instructions which apply to your door type as
illustrated.

SECTIONAL DOOR OR ONE-PIECE DOOR
WITH TRACK

A 2x4 laid fl at is convenient for setting an ideal
door-to-rail distance.

• Remove foam packaging.

• Raise the opener onto a stepladder. You will need help
at this point if the ladder is not tall enough.

• Open the door all the way and place a 2x4 laid fl at on
the top section beneath the rail.

• If the top section or panel hits the trolley when you
raise the door, pull down on the trolley release arm to
disconnect inner and outer sections. Slide the outer
trolley toward the motor unit. The trolley can remain
disconnected until Installation Step 12 is completed.

Trolley

ENGAGED RELEASED

ONE-PIECE DOOR WITHOUT TRACK

A 2x4 on its side is convenient for setting an ideal
door-to-rail distance.

• Remove foam packaging.

• Raise the opener onto a stepladder. You will need help
at this point if the ladder is not tall enough.

• Open the door all the way and place a 2x4 on its side on
the top section of the door beneath the rail.

• The top of the door should be level with the top of the
motor unit. Do not position the opener more than
4" (10 cm) above this point.

Release Arm

Temporary Support

To prevent damage to garage door, rest garage door
opener rail on 2x4 placed on top section of door.

Rail

Door

2x4 is used to determine
the correct mounting
height from ceiling.

Header Bracket

Top of Door

2x4 is used to determine
the correct mounting
height from ceiling.

10

INSTALLATION STEP 5

Hang the Opener

Three representative installations are shown. Yours may
be different. Hanging brackets should be angled
(Figure 1) to provide rigid support. On fi nished ceilings
(Figure 2 and Figure 3), attach a sturdy metal bracket
to structural supports before installing the opener. This
bracket and fastening hardware are not provided.

1. Measure the distance from each side of the motor unit
to the structural support.

2. Cut both pieces of the hanging bracket to required
lengths.

3. Drill 3/16" pilot holes in the structural supports.

4. Attach one end of each bracket to a support with
5/16"-18x1-7/8" lag screws.

5. Fasten the opener to the hanging brackets with
5/16"-18x7/8" hex bolts, lock washers and nuts.

6. Check to make sure the rail is centered over the door
(or in line with the header bracket if the bracket is not
centered above the door).

7. Remove the 2x4. Operate the door manually. If the
door hits the rail, raise the header bracket.

NOTE: DO NOT connect power to opener at this time.

HARDWARE SHOWN ACTUAL SIZE

To avoid possible SERIOUS INJURY from a falling
garage door opener, fasten it securely to structural
supports of the garage. Concrete anchors MUST be
used if installing ANY brackets into masonry.

Figure 1

Measure
Distance

Bolt 5/16"-18x7/8"
Lock Washer 5/16"

Nut 5/16"-18

Lag Screws
5/16"-18x1-7/8"

Figure 2

Hidden

Bracket
(Not Provided)

Bolt 5/16"-18x7/8"

Lock Washer 5/16"

Nut 5/16"-18

Support

FINISHED CEILING

Lag Screws
5/16"-18x1-7/8"

(Not Provided)

Bolt 5/16"-18x7/8"

Lock Washer 5/16"

Structural
Supports

Nut 5/16"-18

Hex Bolt
5/16"-18x7/8"

Lag Screw
5/16"-18x1-7/8"

Nut 5/16"-18

Lock
Washer 5/16"

Figure 3

Lag Screws

5/16"-18x1-7/8"

Bolt 5/16"-18x7/8"

Lock Washer 5/16"

Nut 5/16"-18

11

FINISHED CEILING

(Not Provided)

Bolt 5/16"-18x7/8"

Lock Washer 5/16"

Nut 5/16"-18