Chamberlain MotorLift ML750 Illustrated Instruction Manual
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Chamberlain MotorLift ML750 Illustrated Instruction Manual

Garage door operator
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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.nz
N2966

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Summary of Contents for Chamberlain MotorLift ML750

  • Page 1 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.nz N2966...

  • Page 2: Table Of Contents

    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.

  • Page 3: Before You Begin

    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.

  • Page 4: Hardware Provided

    Hardware Provided (1) Hex Bolt (15) Rail Grease 5 (2x) (2x) (2) Clevis Pin (16) Lock Nut (1x) (4x) (3) 8mm Carriage Bolt (17) Metric Tapping (4x) Screw (4) Wood Screws (2x) (18) Hex Screw (5) Flat head Screws (3x) (1x) (19) Spring (6) Clevis Pin...

  • Page 5: Assembly

    ASSEMBLY 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.
  • Page 6 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. Fasten Rail to Opener and Install Belt Remove four washered bolts (1) from top of opener.
  • Page 7 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.

  • Page 8: Install The Header Bracket

    50mm (2") 150mm (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).

  • Page 9: Position The Opener

    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.

  • Page 10: Fasten Door Bracket

    Attach Emergency Release Rope & Handle 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.
  • Page 11 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).
  • Page 12 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.
  • Page 13 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.

  • Page 14: Using The Wall-Mounted Door Control .14

    Program your Keyless Entry (optional) 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).

  • Page 15: Setting The Limits

    Setting the Limits 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.

  • Page 16: Install The Protector System

    Install the Protector System™ (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™...

  • Page 17: Accessories

    Accessories Model 84330AML Single-Function Remote Control Model 84335AML 3-Function Mini Remote Control Model 84333AML 3-Function Remote control Model 8747AML Wireless Keypad Model 770AML The Protector System™ Model 8454AML Multi-function Door Control Panel Model 75AML Illuminated button Model 760AML Outside keyswitch Model 1702AML Outside Quick Release WIRING INSTRUCTIONS FOR ACCESSORIES...

  • Page 18: Replacement Parts

    Replacement Parts 31D533 41B4616 10A20 001A5060-15 001A5060-15 41A5843 41A5799 41A2828 41A5887 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...
  • Page 19 158A49 41A589-1 41A5908 41A5735C 111A79 41D577 204C0161-2 41C161 (ML750) 41D538 108C82...

  • Page 20: Trouble Shooting

    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 Door may be unbalanced or springs are broken. Close door and use doesn't light, check the fuse box or the circuit breaker.

  • Page 21: Care Of Your Opener

    • The Outside Keylock or Keyless Entry System (if you have installed either of these accessories). SPECIAL NOTE: Chamberlain strongly recommends that the protector • The Remote Control Transmitter. Hold the push button down until system be installed on all garage door openers.
  • Page 22 Limited warranty on motor Except as set out in the Fair Trading Act 1986 and the Consumer Chamberlain will furnish a replacement motor free of charge, if it is Guarantees Act 1993: found to be defective. Labour costs may apply.

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