TM TM Illustrated Instruction Manual for ML750 Garage Door Operator Chamberlain Australia Pty Ltd PO Box 1446 Lane Cove NSW 1595 www.motorlift.com.au Chamberlain New Zealand Ltd P.O. Box 100-221 Auckland 1330 www.motorlift.co.
Start by Reading These Important Safety Instructions Failure to comply with the following instructions may result in serious personal injury or property damage. • Read these instructions carefully • The garage door opener is designed and tested to offer reasonable safe service provided it is installed and operated in strict accordance with the instructions in this manual. These safety alert symbols mean Warning – a personal safety or property damage instruction. Read these instructions carefully.
Before You Begin 1. Look at the wall or ceiling above the garage door. The header bracket must be securely fastened to structural supports. 2. Do you have a finished ceiling in your garage? If so, a support bracket and additional fastening hardware (not supplied) may be required. 3. Depending on your door's construction, you might need a special door arm. See your dealer. 4. Do you have an access door in addition to the garage door? If not, Model 1702AML Outside Quick Release Accessory is required.
3 Hardware Provided 5 (2x) 1(4x) 6 (2x) 4 (4x) NOTIC E 2(2x) 8 (1x) 3(3x) 7 (1x) 13 (7x) 14 (4x) 11(4x) 10 (2x) 19 (1x) 20 (2x) 17(2x) 12 (7x) 9 (1x) 21 (1x) (1) (2) (3) (4) (5) (6) (7) (8) (9) 16 (1x) (10) (11) (12) 18 (3x) (13) (14) 15 (1x) Hex Bolt Clevis Pin 8mm Carriage Bolt Wood Screws Flat head Screws Clevis Pin Rope Handle Wall mount bracket Anchor Concrete Anchor Lock Washer Hex Nut Ring Fastener (15) Rail Grease (16) Lock Nut (17) Metric Tapping Screw (18) Hex Screw (19) Spring (2
ASSEMBLY 5 4 2 3 2 5 1 Assemble the Rail Grease inside edges of rail sections using grease (1). Place rail pieces (2) on flat surface for assembly. All four rail sections are interchangeable. Slide rail brace (3) onto rail section. Connect rail by sliding rail brace onto next rail section. Tap rail assembly (4) on piece of wood (5) until rail sections are flush. Repeat with remaining rail sections. 6 6 Install the Belt 8 Remove belt from carton and lay out on floor (do not allow belt to twist).
8 2 1 3 2 1 3 Attach Trolley to Rail Slide outer trolley (1) into back (opener) end of the rail assembly (2), be sure end with trolley release arm (3) is heading in direction of opener. Slide outer trolley down rail until it engages with inner trolley. 9 1 Fasten Rail to Opener and Install Belt 3 6 Remove four washered bolts (1) from top of opener. Place rail (2) on opener, flush with stop (3) on top of opener. Wrap belt (4) over sprocket (5).
11 3 1 4 6 6 3 5 2 2 8 Install Header Sleeve and Tighten Belt Slide header sleeve (1) onto rail (5). Slide flat washer (3), spring (2) and washer (3) onto carriage bolt (4). Thread nut (6) onto carriage bolt until finger tight. Use an open end wrench (7) to tighten nut until the belt is approximately 2mm above the base of the rail at its midpoint. DO NOT OVER TIGHTEN THE BELT. See image (8). INSTALLATION SECTION Wear protective goggles when working overhead to protect your eyes from injury.
13 2 5 4 1 5 5 3 50mm (2") A 5 1 2 5 150mm (6") 3 5 3 B 6 Install the Header Bracket NOTE: Refer to vertical center and horizontal lines created in step 12 for proper placement of header bracket. A. Wall Mount: Center the header bracket (1) on the vertical center line (2) with the bottom edge of the header bracket on the horizontal line (4) (with the arrow pointing toward the ceiling). Mark all of the header bracket holes (5). Drill 4.
15 Position the Opener NOTE: A 25mm (1") board (1) is convenient for setting an ideal door-to-rail distance (unless headroom is not sufficient). Raise the opener onto a stepladder. Open garage door. Place a 25mm (1") board (1) laid flat on the top section of door near the centerline as shown. Rest the rail on the board. If the raised door hits the trolley, pull down on the trolley release arm to disconnect the inner and outer trolley sections.
Attach Emergency Release Rope & Handle 17 Thread one end of rope (1) through hole in top of red handle so "NOTICE" reads right side up as shown (3). Secure with an overhand knot (2). Knot should be at least 25mm (1") from end of the rope to prevent slipping. Thread other end of rope through hole in release arm of the outer trolley (4). Adjust rope length so that handle is 1.8m (6 feet) above the floor. Secure with an overhand knot.
20 A B 7 4 5 1 6 7 3 2 6 4 5 1 8 3 2 6 9 7 6 3 5 4 Assemble Door Arm A. ONE-PIECE DOOR INSTALLATION: Fasten the straight (1) and curved (2) door arm sections together to the longest possible length (with a 2 or 3 hole overlap) using hardware (3,4 and 5). With the door closed connect the straight door arm section (1) to the door bracket with clevis pin (6). Secure with ring fastener (7). Disconnect the inner and outer trolley.
21 3 2 6mm 3 2 LOCK LIGHT 2 1 1 2 WHT -2 1 RED RED -1 WHT 4 3 6 4 5 3 4 Install Door Control (optional) Locate door control where the garage door is visible, away from door and door hardware and out of the reach of children. Mount at least 1.5 m (5 feet) above the floor Serious personal injury from a moving garage door may result from misuse of opener. Do not allow children to operate the door control or remote control transmitter.
22 1 2 3 4 5 LOCK LIGHT 6 LOCK LIGHT 7 Program your Opener & Remote Activate the opener only when door is in full view, free of obstruction and properly adjusted. No one should enter or leave garage while door is in motion. Do not allow children to operate push button(s) or remote(s). Do not allow children to play near the door. Your garage door opener receiver and remote control transmitter are set to a matching code.
23 Program your Keyless Entry (optional) 1 Activate the opener only when door is in full view, free of obstruction and properly adjusted. No one should enter or leave garage while door is in motion. Do not allow children to operate push button(s) or remote(s). Do not allow children to play near the door. NOTE: Your new Keyless Entry must be programmed to operate your garage door opener. Program the Receiver to Match Additional Remote Control Code Using the orange “LEARN” Button: 1.
Setting the Limits 25 1 2 3 4 1 3 2 Travel limits regulate the points at which the door will stop when moving up or down. Follow the steps below to set the limits. To program the travel limits: Note: Please ensure door is in open position. 1. Open the light lens. Press and hold the black button (1) until the yellow indicator light (3) starts flashing slowly and then release. 2. Push and hold the black button (1) until the door reaches the desired open position.
Install the Protector System™ 28 44 3 (See accessories) The force, as measured on the closing edge of the door, should not exceed 400 N (40kg). If the closing force is more than 400 N, the Protector System must be installed. After opener has been installed and adjusted, The Protector System™ accessory can be installed. Instructions are included with this accessory. The Protector System™ provides an additional measure of safety against a small child being caught under a garage door.
30 1 3 2 4 LOCK LIGHT 5 7 6 Accessories (1) (2) (3) (4) (5) (6) (7) (8) (9) Model Model Model Model Model Model Model Model Model 84330AML 84335AML 84333AML 8747AML 770AML 8454AML 75AML 760AML 1702AML Single-Function Remote Control 3-Function Mini Remote Control 3-Function Remote control Wireless Keypad The Protector System™ Multi-function Door Control Panel Illuminated button Outside keyswitch Outside Quick Release WIRING INSTRUCTIONS FOR ACCESSORIES Outside Keylock – To opener terminals: Red-
Replacement Parts 31 C VD 12 Pb Cd Hg 31D533 41B4616 10A20 001A5060-15 001A5060-15 41A5843 41A5799 41A2828 41A5887 NOT ICE 12C810 83A11 31D536 12C777 178B34 183D177 12C778 183D178 210C42 12C855 41A5643-3 178B35 12B374 146A112 12B380 144C77 4A1008 1/2” 109A46 1” 216A206 41A5800 178B69 18
32 158A49 41A589-1 41A5908 41A5735C 111A79 41D577 204C0161-2 41C161 (ML750) 41D538 108C82 19
TROUBLE SHOOTING 1. Opener doesn't operate from either door control or remote: 12. Opener strains: • Does the opener have electric power? Plug lamp into outlet. If it doesn't light, check the fuse box or the circuit breaker. (Some outlets are controlled by a wall switch.) • Have you disengaged all door locks? Review installation instruction warnings on page 1. • Is there a build-up of ice or snow under door? The door may be frozen to ground. Remove any obstruction. • The garage door spring may be broken.
CARE OF YOUR OPENER When properly installed, opener will provide high performance with a minimum of maintenance. The opener does not require additional lubrication. Limit and Force Settings: These settings must be checked and properly set when opener is installed. Weather conditions may cause some minor changes in the door operation, requiring some re-adjustments, particularly during the first year of operation. Refer to Setting the Limits and Force on page 5.
Liability – Australia only Under no circumstances shall the Seller be liable for consequential, incidental or special damages arising in connection with the use, or inability to use, the Unit. In no event shall the Seller's liability for damages or injury arising from breach of law or contract or for negligence, exceed the cost of repairing or replacing the Unit or refunding the purchase price of the Unit.
