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TRAK Machine Tools
Southwestern Industries, Inc.
ProtoTRAK SMX, K2, K3 & K4 & Retrofit Safety, Installation, Maintenance, Service and Parts List Manual
down to the bottom of its travel and once again turn the ballscrew 1 turn and set the lower limit switch. In
other words, the limit switch should trip about 0.200” from the top and bottom of travel.
4.
The limit switch cable plugs into the digital I/O port on the pendant for non-spindle control machines. For
spindle control mills, the limit switch cable plugs into the digital I/O port on the spindle control electrics box
5.
Temporarily install the Z electronic handwheel to the right side of the baseplate with 2 socket head cap
screws. The Z electronic handwheel plugs into the Z-axis secondary feedback port on the cable breakout
box.
6.
Power up the control and verify the Z electronic handwheel works.
7.
Verify the locations of the switches are set correctly to prevent a hard crash when the machine is moving at
maximum rapid speed. Adjust switches as necessary.
8.
Remove the Z electronic handwheel and install the covers and then re-mount the Z electronic handwheel.
See Figure 68-1 for an illustration of the ballscrew assembly.
