Chamberlain MotorLift ML750 Illustrated Instruction Manual Download

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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

Summary of Contents for MotorLift ML750

Page 1: ...d 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: ...t be installed This accessory allows manual operation of the garage door from outside in case of power failure Keep garage door balanced Do not let the garage door opener compensate for a binding or sticking garage door Sticking or binding doors must be repaired Garage doors door springs cables pulleys brackets and their hardware are under extreme tension and can cause serious personal injury Do n...

Page 3: ... 30 8 required See your dealer 2 1 2 10 mm 8 mm 4 5 mm 4 mm 11mm 13mm Tools Required 2 3 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...

Page 4: ...ail Grease 16 Lock Nut 17 Metric Tapping Screw 18 Hex Screw 19 Spring 20 Flat Washer 21 Stop Bolt Hardware Provided 3 1 Header Sleeve 2 Idler Pulley Bracket 3 Trolley 4 Rail 5 Belt 6 Hanging Bracket 7 Power Cord 8 Opener 9 Light Lens 10 Manual Release Rope Handle 11 Curved Door Arm 12 Straight Door Arm 13 Door Bracket Plate 14 Header Bracket 15 Trolley Release Arm 4 Completed Installation As you p...

Page 5: ...t as shown Arrow on trolley 7 must face toward front header end of rail 4 Push idler pulley bracket toward front header end of rail 4 Insert carriage bolt 5 into bolt cut out in the idler pulley bracket 6 5 4 6 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 rai...

Page 6: ...lts securely The opener sprocket teeth must engage the belt CAUTION Use only those bolts mounted in the top of opener Use of any other bolts will cause serious damage to opener 3 1 4 6 7 2 5 Attach Sprocket Cover Place sprocket cover 1 on top of the opener 2 secure with screws 3 Insert bolt 4 into trolley stop hole 5 secure with washer 6 and nut 7 6 6 1 3 2 1 3 2 8 Attach Trolley to Rail Slide out...

Page 7: ...tem You can attach the header bracket either to the header wall 1 or to the ceiling 3 Follow the instructions which will work best for your particular requirements With the door closed mark the vertical centerline 2 of the garage door Extend line onto header wall above the door Open door to highest point of travel Draw an intersecting horizontal line 4 on header wall 5 cm 2 above high point to pro...

Page 8: ... 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 5 mm 3 16 pilot holes and fasten the header bracket with wood screws 3 B...

Page 9: ...ferent Hanging brackets 1 should be angled Figure A to provide rigid support On finished ceilings Figure B attach a sturdy metal bracket not supplied 4 to a structural support before installing the opener For concrete ceiling mount Figure C use concrete anchors 5 provided On each side of opener measure the distance from the opener to the structural support or ceiling Cut both pieces of the hanging...

Page 10: ...ly push diffuser up until engaged Replace burnt out bulbs with heavy duty light bulbs 19 1 2 A 0 100mm B 150 250mm 3 4 7 6 2 1 4 5 3 A 4 B 7 6 A B 1 4 C 1 2 3 3 1 2 4 10 1 2 Fasten Door Bracket If you have a canopy garage door a door arm conversion kit is required Follow the installation instructions included with the replacement door arm Exercise care in removing and assembling arm conversion kit...

Page 11: ...nect the inner and outer trolley Slide the outer trolley back toward the opener and join the curved arm 2 to the connector hole in the trolley 8 with clevis pin 6 It may be necessary to lift the door slightly to make the connection Secure with ring fastener 7 NOTE When setting the up limit the door should not have a backward slant when fully open A slight backward slant 9 will cause unnecessary bu...

Page 12: ... to slide remote down onto the bracket 12 2 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: ...n Door Control 4 Press and hold the button on the hand held remote that you wish to operate your garage door 4 5 While holding the remote button press and hold the LIGHT button on the Multi Function Door Control 5 6 Continue holding both buttons while you press the push bar on the Multi Function Door Control all three buttons are held 6 7 Release buttons when the opener light blinks It has learned...

Page 14: ... and hold ENTER 5 While holding the ENTER button press and hold the LIGHT button on the Multi Function Door Control 6 Continue holding the ENTER and LIGHT buttons while you press the push bar on the Multi Function Door Control all three buttons are held 7 Release buttons when the opener light blinks It has learned the code If the light bulb is not installed two clicks will be heard LOCK LIGHT 24 U...

Page 15: ...ll travel to the UP open position The LED 3 indicator light will stop flashing when the force has been learned The door must travel through a complete cycle UP and DOWN in order for the force to be set properly If the unit cannot open and close your door fully inspect your door to insure that it is balanced properly and is not sticking or binding The force MUST be learned in order to properly comp...

Page 16: ... 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 It use...

Page 17: ...ess Keypad 5 Model 770AML The Protector System 6 Model 8454AML Multi function Door Control Panel 7 Model 75AML Illuminated button 8 Model 760AML Outside keyswitch 9 Model 1702AML Outside Quick Release WIRING INSTRUCTIONS FOR ACCESSORIES Outside Keylock To opener terminals Red 1 and White 2 Protector System To opener terminals White 3 and Grey 4 Door Control Panel To opener terminals Red 1 and Whit...

Page 18: ...69 41B4616 4A1008 1 2 109A46 1 83A11 41A5643 3 12VDC Pb Cd Hg 12B380 12C778 41A5800 12C855 183D177 183D178 41A5887 001A5060 15 10A20 216A206 31D536 31D533 41A5843 41A5799 210C42 12C777 144C77 146A112 12C810 31 001A5060 15 Replacement Parts 18 ...

Page 19: ...41A589 1 41A5735C 111A79 41C161 ML750 41D577 41D538 108C82 41A5908 158A49 32 204C0161 2 19 ...

Page 20: ... steps 25 and 26 Repeat the safety reverse test after the adjustment is complete 11 Opener light does not turn on Replace light bulb 24V 21W maximum Replace burned out bulbs with rough service light bulbs 12 Opener strains Door may be unbalanced or springs are broken Close door and use manual release rope and handle to disconnect trolley Open and close door manually A properly balanced door will s...

Page 21: ...ard the opener To reconnect the door pull the release handle straight down Do not use the manual release handle to pull the door opener or closed When the Opener is Activated by Remote Control or Backlit Door Control Button 1 If open the door will close If closed the door will open 2 If closing the door will stop 3 If opening the door will stop allowing space for entry and exit of pets and for fre...

Page 22: ...rator Unit that it is free from defects in material and or workmanship for a period of 2 YEARS from the date of first purchase from the Seller Please retain your proof of purchase in the unlikely event you require warranty service If during the limited warranty period the Unit fails due to defects in materials or workmanship Chamberlain will provided the defective part or Unit is returned freight ...

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