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Insert the Y1-Rail
1. Slide the V-rails of the Y1-rail between the four
(4) V-wheels of the Y1-carriage. Center the
rail between the front and rear endplates. See
Figure 4‑5
.
Insert the Y2-Rail
1. Slide the V-rails of the Y2-rail between the four
(4) V-wheels of the Y2-carriage. Center the
rail between the front and rear endplates. See
Figure 4‑6
.
Secure the Gantry
Position the Gantry
1. Lift the gantry and place it onto the baseframe
with the Y1- and Y2-rails positioned between
the front and rear endplates. Use caution,
the gantry is top heavy and wants to rotate
forward. See
Figure 4‑7
.
Secure the Y1-Rail
The Y1- and Y2-rails will be raised into place one
at a time. The first rail to be lifted (the Y1-rail) is
loosely attached to the endplates with two screws,
one front and one back. This creates a pivot point
for rotating the Y2-rail up and into place.
1. Prop up the Y1-rail with the two long foam
packing blocks from the X/Z+ box. See
Figure 4‑8
.
2. Align the
UPPER-INSIDE
screw holes of the
Y1-rail with the same through-holes of the
FRONT
and
REAR
endplates. See
Figure 4‑8
.
3.
Use the 4mm hex key and two (2) M6
×
12mm
button head cap screws to loosely attach the
Y1-rail to the
UPPER-INSIDE
holes in the front
and rear endplates. See
Figure 4‑8
.
Keep these two (2) screws loose for now. They
form the pivot point needed to rotate the Y2-rail up
into place.
Secure the Y2-Rail
1.
Remove the two foam blocks from under the
Y1-rail and use them to prop up the Y2-rail.
2.
Use the 4mm hex key and eight (8) M6
×
12mm
button head cap screws to secure the
Y2-rail to the front and rear endplates. See
Figure 4‑9
.
Complete Rail Assembly
1.
Use the 4mm hex key and the remaining six (6)
M6
×
12mm button head cap screws to secure
the Y1-rail to the front and rear endplates.
2.
Snug all sixteen (16) screws, leaving no gap
between the rails and endplates, but do not
fully tighten.
Tension the V‑Wheels
1.
Use the 10mm wrench to turn the two (2)
HD eccentric nuts on each of the three
carriages (Z-Plus, Y1, and Y2) clockwise until
the V-wheels engage with the V-rails. See
Figure 4‑10
.
Refer back to the eccentric nut information on page
18 and
Figures 3‑4
and
3‑5
, if needed.
NOTE:
The Y1-rail is plain, there are no
threaded holes on either side of the rail.
PRO TIP:
The gantry can be awkward to
handle alone. Enlist the help of another
person when lifting and positioning it. Each
person should use one hand to lift the gantry
by the X-rail and the other hand to center the
Y-rails between the endplates.
NOTE:
The Y2-rail has two M6 threaded
screw holes on one side. The holes are for
mounting the optional BitRunner accessory.
Figure 4-5
Figure 4-6
Figure 4-7
Figure 4-8
Figure 4-9
Figure 4-10
