ShopBot PRS Assembly Manual Page -47
Opening the Echain
Move the YZ-car to the far end of the Y-axis so that the motor is not over the Echain. This
keeps the motor from interfering with the hinged access bars. With a flat head screw
driver, insert the tip into either side of the hinged access bar. Turn the screw driver
approximately ¼ turn clockwise and then ¼ counterclockwise or until the sides of the
access bars release. Open the access bars to run all wiring that is common to the YZ-car,
spindles, or air drills.
Caution: Do to the low clearance of the Z motor in relation to the Echain. DO NOT
attempt to move the YZ-car while the hinged access bars are in the open position.
Doing so will result in the snapping off of these access bars.
Use wire ties in addition with the strain
relief tabs on the ends of the Echain to help
with the strain relief of the cables. DO
NOT use wire ties inside the Echain.
This could result in added strain on the
cables.
Place the cable carriers on the top side of the
gantry extrusion. Evenly space these between the
Y-lower bracket and the end plate inside the 2 slots
in the extrusion. Place the lower end into the slot
and turn 90˚ to lock the cable carrier in place. Use
wire ties to secure cables along the length of the
gantry and off the back of the machine.
PRSAssembly080922.doc Copyright 2007,2008 ShopBot Tools, Inc
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