Instruction/ maintenance manual of the product 3265M, 3265M-267 Chamberlain
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The Chamberlain Group, Inc. 845 Larch Avenue Elmhurst, Illinois 60126-1 196 www .liftmaster .com GARAGE DOOR OPENER Models 3265M 1/2 HP 3265M-267 1/2 HP For Residential Use Only Owner’ s Manual ■ Please read this manual and the enc losed safety materials carefully! ■ Fasten the man ual near the garage door after installation.
2 Introduction 2-5 Safety symbol and signal word review . . . . . . . . . . . . . . . . 2 Preparing your garage door . . . . . . . . . . . . . . . . . . . . . . . . 3 T ools needed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Planning .
3 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. To prevent possible SERIOUS INJURY or DEATH: • ALWAYS call a trained door systems technician if garage door binds, sticks or is out of balance.
FINISHED CEILING Support bracket & fastening hardware is required. See page 12. Slack in chain tension is normal when garage door is closed. Safety Reversing Sensor Header Wall Access Door Safety Reversing Sensor Gap between floor and bottom of door must not exceed 1/4" (6 mm).
5 Y our 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.
6 ASSEMBL Y STEP 1 Attach the Rail to the Motor Unit T o av oid installation difficulties, do not run the gara g e 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.
IMPORTANT INSTALLATION INSTRUCTIONS 7 Lock W asher T o Tighten Outer Nut Inner Nut T rolley T o Tighten Inner Nut Outer Nut INST ALLA TION ASSEMBL Y STEP 3 Tighten the Chain • Spin the inner nut and lock washer down the trolley threaded shaft, away from the trolley .
8 INST ALLA TION STEP 1 Determine the Header Bracket Location 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 .
9 INST ALLA TION STEP 2 Install the Header Bracket Y ou 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 o ver drywall.
10 Clevis Pin 5/16"x2-3/4" Ring Fastener INST ALLA TION STEP 3 Attach the Rail to the Header Bracket • Position the opener on the garage floor below the header bracket. Use packing material as a protective base. NO TE: If the door spr ing is in the wa y you will need help .
11 ONE-PIECE DOOR WITHOUT TRA CK A 2x4 on its side is convenient for setting an ideal door-to- rail distance. • Remove foam packaging. • Raise the opener onto a stepladder .
Measure Distance Lag Screws 5/16"-18x1-7/8" Structural Supports Bracket (Not Provided) Lag Screws 5/16"-18x1-7/8" (Not Provided) Bolt 5/16"-18x7/8" Lock W asher 5/16".
13 To prevent possible SERIOUS INJURY or DEATH from electrocution: • Be sure power is not connected BEFORE installing door control. • Connect ONLY to 24 VOLT low voltage wires.
14 INST ALLA TION STEP 7 Install the Light • Press the release tabs on both sides of lens. Gently rotate lens back and downward until the lens hinge is in the fully open position. Do not remove the lens. • Install up to a 100 watt maximum light bulb in each socket.
15 INST ALLA TION STEP 9 Electrical Requirements T o av oid installation difficulties, do not run the opener at this time. T o reduce the risk of electric shock, your garage door opener has a grounding type plug with a third grounding pin. This plug will only fit into a grounding type outlet.
16 Invisible Light Beam Protection Area Safety Reversing Sensor 6" (15 cm) max. above floor Safety Reversing Sensor 6" (15 cm) max. above floor Facing the door fr om inside the garage INST A.
17 DOOR TRA CK MOUNT (RIGHT SIDE) Indicator Light Lens Lip Sensor Brack et Door T rack FLOOR MOUNT (RIGHT SIDE) W ALL MOUNT (RIGHT SIDE) Indicator Light Sensor Brack et Lens Extension Brack et (See Ac.
Invisible Light Beam Protection Area Safety Reversing Sensor Connect Wire to Opener Quick-Connect T erminals Bell Wire Bell Wire Finished Ceiling Quick-Connect T erminals 3. T o insert or release wire, push in tab with screwdriver tip 1. Strip wire 7/16" (1 1 mm) 2.
19 Fiberglass, aluminum or lightweight steel garage doors WILL REQUIRE reinforcement BEFORE installation of door bracket. Contact your door manufacturer for reinforcement kit. INST ALLA TION STEP 11 Fasten the Door Bracket Follow instructions which apply to your door type as illustrated below or on the following page.
20 Header W all V ertical Centerline of Garage Door Finished Ceiling Optional Placement of Door Bracket Header Bracket Door Bracket 2x4 Support For a door with no exposed framing, or for the optional installation, use lag screws 5/16"x1-1/2" (Not Provided) to fasten door bracket.
21 INST ALLA TION STEP 12 Connect Door Arm to T rolley Follow instructions which apply to your door type as illustrated below and on the following page. SECTIONAL DOORS ONL Y • Make sure garage door is fully closed. Pull the emergency release handle to disconnect the outer trolley from the inner trolley .
22 ALL ONE-PIECE DOORS 1. Assemble the door arm, Figure 4: • Fasten the straight and curved door arm sections together to the longest possible length (with a 2 or 3 hole overlap). • With the door closed, connect the straight door arm section to the door bracket with the 5/16"x1-1/4" clevis pin.
23 ADJUSTMENT STEP 1 Adjust the UP and DOWN T ravel Limits Limit adjustment settings regulate the points at which the door will stop when moving up or down. T o operate the opener , press the Door Control push bar . Run the opener through a complete travel cycle.
ADJUSTMENT STEP 2 Adjust the Force Force adjustment controls are located on the back panel of the motor unit. Force adjustment settings regulate the amount of power required to open and close the door . If the forces are set too light, door travel may be interrupted by nuisance reversals in the down direction and stops in the up direction.
Without a properly installed safety reversal system, persons (particularly small children) could be SERIOUSLY INJURED or KILLED by a closing garage door. • Safety reversal system MUST be tested every month. • If one control (force or travel limits) is adjusted, the other control may also need adjustment.
IMPOR T ANT SAFETY INSTR UCTIONS OPERA TION 26 T o reduce the risk of SEVERE INJUR Y or DEA TH: Using Y our Garage Door Opener Y our Security ✚ ® opener and hand-held remote control have been factory-set to a matching code which changes with each use, randomly accessing over 100 billion new codes.
T o Open the Door Manually The door should be fully closed if possible. Pull down on the emergency release handle and lift the door manually . T o reconnect the door to the opener , press the door control push bar . The lock out feature prevents the trolley from reconnecting automatically .
CARE OF YOUR OPENER LIMIT AND FORCE ADJUSTMENTS: Weather conditions may cause some minor changes in door operation requiring some re-adjustments, particularly during the first year of operation. Pages 23 and 24 refer to the limit and force adjustments.
29 HA VING A PROBLEM? 1. My door will not close and the light b ulbs blink on m y motor unit: The safety reversing sensor must be connected and aligned correctly before the garage door opener will move in the down direction. • V erify the safety sensors are properly installed, aligned and free of any obstructions.
Bell Wire Safety Reversing Sensor Diagnostics Located On Motor Unit LED or Diagnostic LED “Learn” Button 30 Installed Safety Reversing Sensor Y our garage door opener is programmed with self-diagnostic capabilities. The “Learn” b utton/diagnostic LED will flash a number of times then pause signifying it has f ound a potential issue.
*3-Button Remotes If provided with your garage door opener , the large button is factory programmed to operate it. Additional buttons on any Security ✚ ® 3-Button remote or compact remote can be programmed to operate other Security ✚ ® garage door openers.
L O C K LI GH T 1. Enter a four digit personal identification number (PIN) of your choice on the keypad. Then press and hold ENTER. 2. While holding the ENTER button, press and hold the LIGHT button on the Multi-Function Door Control.
1 3 4 5 6 2 33 REP AIR P ARTS Rail Assembly Parts KEY P ART NO . NO . DESCRIPTION 1 4A1008 Master link kit 2 41A4813 Chain pulley bracket 3 41A3489 Complete trolley assembly 4 1707LM One-piece rail - 7' (2.1 m) 1708LM One-piece rail - 8' (2.
Motor Unit Assembly Parts 34 2 10 8 13 14 15 5 19 3 9 4 16 12 7 18 11 17 6 6 7 DN UP Brown Wire (Down) Contact LIMIT SWITCH ASSEMBL Y Grey Wire Y ellow Wire (Up) Contact Center Limit Contact Drive Gear 1 KEY P ART NO .
35 ACCESSORIES 374LM 370LM 395LM 41A5281 1702LM Outside Quick Release: Required for a garage with NO access door . Enables homeowner to open garage door manually from outside by disengaging trolley .
© 2008, The Chamberlain Group, Inc. 1 14A3586B All Rights Reserved LIFTMASTER ® SER VICE IS ON CALL OUR LARGE SER VICE ORGANIZA TION SP ANS AMERICA INST ALLA TION AND SER VICE INFORMA TION IS AS NEAR AS Y OUR TELEPHONE. SIMPL Y DIAL OUR TOLL FREE NUMBER: 1-800-528-9131 www .
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