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Your left side), adjust the inner and outer M20 jam nuts until the distance between the inner rail Working on the Lefthand rail first (when standing at the front of the machine this is the one on Steps properly will likely result in your machine binding so we suggest understanding them completely first before proceeding. Positions of both rails are set and the red circled jam nuts are tight. The central Y-Axis rail stabilizer jam nuts should remain backed out completely until the to make the distance between the rails match the wheel-to-wheel distance of the gantry V-Rollers (Dimension 'A').Īll adjustments will be completed exclusively using the front and rear Y-Axis stabilizers and jam nuts on both rails.to make the Y-Axis rails parallel to each other.The goal of the following rail alignment steps is twofold:
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See below note for additional clarification. These edges are responsibleįor ensuring the Gantry Tube remains parallel to the slat bed, and perpendicular to the Y-Axis of Machined into the face of the uprights when tightening the flange nuts. The bottom and back edges of the Gantry Tube should be resting firmly against the locating edges Make sure that the LH Upright is installed on the Lefthand side and vice versa for the RH Upright. This step is significantly easier to accomplish with two people, each handling one Upright Assembly. Secure the LH and RH Gantry Uprights to the gantry tube using the gantry all thread rod and BAG 11 flange nuts shown. Insert the Gantry All-Thread Rod into the Gantry Tube, letting it overhang the ends approximately evenly. The bearing preloads will be set in a later step. Is normal for excessive lash to be present. Note that the X-Axis preload bearings are fully retracted and it Locate the X/Z-Axis Assembly and slide it onto the Gantry Tube until it is positioned between the Locate the Gantry Tube and set it on two supports with a gap in between them.