CR-10S/DDX Linear Rail Kit Hotend Installation

Step 1 Hotend Removal down




• Remove the Hotend cover screw
• Remove the Hotend mounting screws
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Step 2 Belt removal and Stock X Carriage




• Loosen Idler pulley bracket screws and remove the idler pulley bracket
• Remove the belt
• Remove the lower V-slot wheel bolt from X-carriage
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Step 3 Mounting screw Pattern & Sliding on the Rail
• Follow the table for the recommended mounting locations
• Take note to skip 2 holes between fasteners, and make sure to mirror this process from each of the end of the rail until you meet in the middle.
• For rails with an odd number of mounting holes, the pattern will overlap in the middle
• For rails with an even number of mounting holes, the pattern will be continued across the rail
• Pre-install all the M3x8 SHCS screw and Sliding T-nuts
• Install the Printed T-nut guide on the end of the X axis extrusion, and slide the rail on to the X-axis from Right to left
• The guide helps to slide the T-nuts into the extrusion
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Step 4 Mounting the Rail
• Slide the rail until you have about 2-3 mm between the rail and the end of the X axis extrusion.
• Use both Linear rail Guide to center the rail to the Aluminum extrusion
• Tighten the mounting screws as you go down. Making sure to slide down, slide the linear rail guide down as each screw is tightened.
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Step 5 X Carriage install
• Belt adaptor
• 4x M3x8 SHCS
• 3x M3 split washers
• M3 Hex nuts
• Install the M3x8 SHCS screw with M3 Split washer in to the X carriage adaptor plate and mount to the Rail block.
• Push up on the belt bracket, it is square against the bottom of the carriage block.
• Note: If screws will not start, threading in. Spin the screws counterclockwise until you hear a click, and then tighten the screws evenly in an X pattern until they are fully tightened. This is to ensure that the threads do not get damaged.
• Note, reference Hotend Mounting Instructions section before mounting the MGN 12 Adaptor Plates to the linear rail block. For installing Hex Nuts to the back of the Adaptors.
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Step 6 Stock Hotend Install
• BL Touch and Fan Cover
• M3x8 SHCS (2 mm longer than stock)
• BL Touch and Fan Cover
• This screw replaces the M3x8 SHCS mount screw
• M3x14 SHCS (8-10 mm longer than stock)
• Hotend mounting screws
• M3x22 SHCS (6 mm longer than stock) (Stock hotend)
• M3x22 FHCS (6 mm longer than stock) (Stock hotend)
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Step 7 DDX Install
• M3x28 SHCS & 2 Split lock washer(6 mm longer than stock) (Stock hotend)
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AJ Pereira

Member since: 05/29/20

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