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8. X-Axis Sub-Assemblies X-idler BOM Category Mechanical Mechanical Printed Printed Fasteners Fasteners Fasteners Fasteners Fasteners Fasteners Fasteners Fasteners Description Bearing, ball, 624-ZZ Bearing, linear, LM8UU X idler bracket X_end_clamp M3x20 socket cap screw M3 form A flat washer M3 nyloc nut M4x45 socket cap screw M4 form A flat washer M4 x 20 x 1.25 Penny washer M4 nyloc nut M5 brass full nut Qty 2 2 1 2 8 8 8 1 2 2 1 1 Comments Pre-fitted Pre-fitted Pre-fitted Pre-fitted Method 1. Fit the end clamps to the idler bracket, rounded corners facing outwards, using the M3 x 20 socket cap screws with flat washers between the screw head and the plastic. Ensure the screws engage in the nylon inserts in the pre-fitted nyloc nuts but do not tighten them fully. Make the washer and bearing kebab on the long M4 bolt that forms the idler axle, but leave it loose to allow the X bars to be inserted later. M90LC Manual 9 of 70 V0.4-20131016