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37
Install the Proximity
Switches
The Shapeoko 3 has three inductive proximity
switches. The Z-Axis proximity switch is
pre-installed on the front of the Z-Plus. See
Figure 6‑4
. The X- and Y-Axis proximity switches
will be attached to mounting plates and then
mounted to the X- and Y-Axes respectively.
Label the Z-Axis Proximity Switch
1. Use the included permanent marker to label
the Z-Axis proximity switch cable connector
with a “Z” as shown in
Figure 6‑4
.
Install the X-Axis Proximity Switch
Proximity switches are identified by the length
of their black lead cables. The X-Axis proximity
switch has a longer cable. It will first be attached
to the X-Axis proximity switch mounting plate, then
mounted to the
BACK
of the Z-Plus.
1. Locate the X-Axis proximity switch, with the
longer lead cable, and its mounting plate, the
taller of the two plates.
2. Align the switch and plate, with the switch
facing left and the plate’s two PEM nuts in
the
BOTTOM-RIGHT
corner. Flush the face
of the switch with the edge of the plate. See
Figure 6‑5
.
3.
Use the 2.5mm hex key and two (2) M3
×
18mm
socket head cap screws to attach the switch
to the plate. Make sure the front edge of the
proximity switch and plate stay flush. See
Figure 6‑5
.
4.
Use the 4mm hex key and two (2) M5
×
8mm
socket head cap screws to install the mounting
plate to the two 30mm standoffs at the rear of
the Z-Plus. Ensure the proximity switch is on
the outside of the switch plate and faces the
Y2-rail. See
Figure 6‑6
.
5. Label the X-Axis proximity switch cable
connector with an “X” as shown in
Figure 6‑6
.
Install the Y-Axis Proximity Switch
The Y-Axis proximity switch has the shorter
cable. It attaches to the Y-Axis proximity switch
mounting plate then attaches to the
OUTSIDE
of
the Y2-carriage.
1. Locate the remaining Y-Axis proximity switch,
with the shorter lead cable, and its mounting
plate, the shorter of the two plates.
2. Align the switch and plate, with the switch
facing right and the plate’s two PEM nuts in
the
BOTTOM-LEFT
corner. Flush the face of
the switch with the edge of the plate. See
Figure 6‑7
.
3.
Use the 2.5mm hex key and two (2) M3
×
18mm
socket head cap screws to attach the switch
to the plate. Make sure the front edge of the
proximity switch and plate stay flush. See
Figure 6‑7
.
4.
Install the two (2) 30mm male-to-female
standoffs to the
OUTSIDE
of the Y2-carriage.
See
Figure 6‑8
.
5.
Use the 4mm hex key and two (2) M5
×
8mm
socket head cap screws to install the mounting
plate to the two 30mm standoffs on the
OUTSIDE
of the Y2-rail, with the switch to the
outside of the plate and facing the rear. See
Figure 6‑9
.
6. Use one (1) cable tie to secure the proximity
switch cable to the upper standoff. See
Figure 6‑9
.
7. Label the Y-Axis proximity switch cable
connector with a “Y” as shown in
Figure 6‑9
.
Figure 6-5
Figure 6-4
Figure 6-6
Figure 6-7
Figure 6-8
Figure 6-9
