Sigma ML750 Assemble the Rail, Install the Belt, Insert Trolley & Idler Pulley Bracket Into Rail

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ASSEMBLY

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Assemble the Rail

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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.

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Install the Belt

 

Remove belt from carton and lay out on floor (do not allow

 

belt to twist). Hook the trolley connector (6) into the slot (7)

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on the trolley (8).

Insert Trolley & Idler Pulley Bracket

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Slide idler pulley bracket (1) and inner trolley (2)

 

into back (opener) end of rail assembly (3), be

 

sure to insert idler pulley bracket as shown. Arrow

 

on trolley (7) must face toward front (header) end

 

of rail (4). Push idler pulley bracket toward front

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(header) end of rail (4). Insert carriage bolt (5) into

 

bolt cut out in the idler pulley bracket (6).

 

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Contents N2966 Start by Reading These Important Safety Instructions Tools Required Before You BeginDoor Types Hardware Provided Completed InstallationInsert Trolley & Idler Pulley Bracket Into Rail Install the BeltAssemble the Rail Attach Sprocket Cover Fasten Rail to Opener and Install BeltAttach Trolley to Rail Header Bracket Positioning Install Header Sleeve and Tighten BeltAttach Rail to Header Bracket Install the Header BracketHang the Opener Position the OpenerInstall Light Connect Electric PowerAttach Emergency Release Rope & Handle Fasten Door BracketAssemble Door Arm ONE-PIECE Door InstallationOperation of the Door Control Install Door Control optionalRemote Control Wall Mount Bracket To Erase all Remote Control Codes Using the Multi-Function Door ControlProgram your Opener & Remote Channel RemoteProgram your Keyless Entry Optional Using the Wall-Mounted Door ControlSetting the Force Setting the LimitsTest the Safety Reverse System Force limit test liftingSpecial Features Install the Protector SystemDoor within a door connection Flashing light connectionWiring Instructions for Accessories Accessories001A5060-15 Replacement Parts204C0161-2 Trouble Shooting Care of Your Opener 114A3458-ANZ