Instruction/ maintenance manual of the product 2585 3/4 HP Chamberlain
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The Chamberlain Group, Inc. 845 Larch Avenue Elmhurst, Illinois 60126-1 196 www .liftmaster .com GARAGE DOOR OPENER Model 2585 3/4 HP For Residential Use Only ® Owner’s Manual ■ Please read this manual and the enclosed safety materials carefully! ■ Fasten the manual 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 T o prevent damage to garage door and opener: • AL WA YS disable locks BEFORE installing and operating the opener . • ONL Y operate garage door opener at 120V , 60 Hz to avoid malfunction and damage.
FINISHED CEILING Support bracket & fastening hardware is required. See page 12. Safety Reversing Sensor Header Wa ll Access Door Safety Reversing Sensor Gap between floor and bottom of door must n.
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.
T o avoid SERIOUS damage to opener , ONL Y use bolts/fasteners mounted in top of motor unit. WARN ING CAUTION WARN ING WARN ING ASSEMBL Y STEP 1 Attach the Rail to the Motor Unit T o avoid installation difficulties, do not run the garage door opener until instructed to do so.
7 INST ALLA TION IMPORT ANT INST ALLA TION INSTRUCTIONS T o reduce the risk of SEVERE INJUR Y or DEA TH: WARN ING WARN ING WARN ING 1. READ AND FOLLOW ALL INST ALLA TION WARNINGS AND INSTRUCTIONS. 2. Install garage door opener only on properly balanced and lubricated garage door .
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 over drywall.
Header Bracket Belt Pulley Bracket T emporary Support Header W all Garage Door Clevis Pin 5/16"x2-3/4" Ring Fastener Header Bracket Belt Pulley Bracket Rail 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.
11 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 . Y ou 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.
M eas u re D i s t a nc e La g S c re w s 5/16"-18x1-7/8" S t r uctu ral S upp or t s B ra ck e t ( No t P ro vid e d) La g S c re w s 5/16"-18x1-7/8" ( No t P ro vid e d) B ol t 5.
13 To release wi re , pu s h in t a b with s c re wd r iv er tip Door C o nt rol C o nn e cti o n s 7/16" (11 mm) S t r ip wi re 7/16" (11 mm ) Re d Grey Whit e INST ALLA TION STEP 6 Install the Door Control Locate door control within sight of the door at a minimum height of 5 feet (1.
Le n s Hing e 100 W a tt (M a x) S t a nd ar d L ight Bu l b Release Ta b 100 W a tt (M a x) S t a nd ar d L ight Bu l b 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.
15 INST ALLA TION STEP 9 Electrical Requirements T o avoid 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 Sensor Beam 6" (15 cm) max. above floor Sensor Beam 6" (15 cm) max. above floor Facing the door from inside the garage INST ALLA TION STEP 10 Install .
17 DOOR TRACK MOUNT (RIGHT SIDE) Indic a t or L ight Le n s L ip Se n sor B ra ck e t Door Tra ck FLOOR MOUNT (RIGHT SIDE) WALL MOUNT (RIGHT SIDE) Indic a t or L ight Se n sor B ra ck e t Le n s E xt .
Invisible Light Beam Sensor Connect Wire to Opener Quick-Connect T erminals Bell Wire Bell Wire Finished Ceilin g Quick-Connect T erminals 3. Insert into appropriate terminals 1.
19 Fiberglass, aluminum or lightweight steel garage doors WILL REQUIRE reinforcement BEFORE installation of door bracket. Contact your door manufacturer for reinforcement kit.
20 Header Wall Vertical 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 SERIOUSL Y INJURED or KILLED by a closing garage door . • Safety reversal system MUST be tested ever y month. • If one control (force or travel limits) is adjusted, the other control may also need adjustment.
OPERA TION 26 IMPORT ANT SAFETY INSTRUCTIONS 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.
Using the W all-Mounted Door Control THE MOTION DETECTING DOOR CONTROL Press the push bar to open or close the door . Press again to reverse the door during the closing cycle or to stop the door while it's opening.
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 bulbs blink on my 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 W ire Safety Sensor "Learn" Button LED or Diagnostic LED Diagnostics Located On Motor Unit 30 Installed Safety Sensor Y our garage door opener is programmed with self-diagnostic capabilities. The “Learn” button/diagnostic LED will flash a number of times then pause signifying it has found 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.
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 Motion Detecting Door Control.
2 5 6 1 3 7 8 4 33 REP AIR P ARTS Rail Assembly Parts KEY P ART NO. NO. DESCRIPTION 1 4A1008 Master link kit 2 41B5424 Belt pulley bracket 3 41B3869-1 Complete trolley assembly 4 109B33 T rolley clip .
Motor Unit Assembly Parts 34 DN UP Brown Wire (Down) Contact LIMIT SWITCH ASSY. Grey Wire Yellow Wire (Up) Contact Center Limit Contact Drive Gear 2 4 3 1 15 19 8A 17 5 18 9 10 16 14 13 12 6 6 11 8B 8C 7 7 KEY P ART NO.
35 LOCK LIGHT C L OS E D O P EN ACCESSORIES 974LM 970LM 995LM 2778BD 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 . 8 Foot (2.4 m) Complete Rail: T o allow an 8 foot (2.
© 2004, The Chamberlain Group, Inc. 1 14A2735B All Rights Reserved Printed in Mexico LIFTMASTER SER VICE IS ON CALL OUR LARGE SERVICE ORGANIZA TION SP ANS AMERICA INST ALLA TION AND SERVICE INFORMA TION IS AS NEAR AS YOUR TELEPHONE SEVEN DA YS A WEEK.
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