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Gather parts and tools for Extruder Assembly
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Photo 1 - 1.5mm Allen Driver
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Photo 2 - 2.5mm Allen Driver
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Photo 3 - 13mm Wrench
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INSTALL IDLER BOLT
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Install M3 x 25 SHCS, M3 Washer and M3 Nut into the Idler assembly
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Only put the screw in until the tip is flush with the nut
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TIP: Set M3 Nut into the hexagon cutout and hold with your finer to install the bolt
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INSTALL EXTRUDER WASHER INTO BODY
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Place the printer extruder washer into the extruder body
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INSTALL GEAR, BOLT AND FIRST BEARING
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Install 4 x M8 washers onto the hobbed bolt then a 608 bearing.
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Once installed, does the hobbing on the bolt line up with the small hole going through the extruder body?
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If you need to adjust it's location, you can add either a 0.50mm or 1.0mm shim washer to get the correct spacing.
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Does the hobbing line up with the hole in the center?
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INSTALL SECOND BEARING
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On the opposite side of the gear, add a 608 bearing, M8 Washer and a M8 locknut.
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Tighten the Locknut down until the bearing is seated and there is no space between the Nut, Washer and Bearing.
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The large gear shouldn't be able to rock back and fourth but should spin freely.
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Does the gear turn freely?
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Does the hobbing still line up with the hole in the body?
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Record what type and how many washers were used.
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