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TRAK Machine Tools
Southwestern Industries, Inc.
TRAK TRL Lathe, ProtoTRAK RLX CNC Safety, Installation, Maintenance, Service & Parts List
and (2) 208-volt power cables for the Computer Module and a coolant pump or lube pump cable.
The logic cables are used to carry encoder signals between the servos and computer module.
Mixing of the power and logic cables may cause noise from the power cables to interrupt the signals
in the logic cables. This can lead to intermittent axis faults or repeatability problems.
5.1.6 Electronic Handwheels & Jogstick
There are 2 electronic handwheels on the lathes and 1 jogstick to move the carriage quickly into
position. Each unit is replaced as an assembly. Disconnect the handwheels and jogstick from the
apron cable. Replace the part and reinstall as the original was connected and mounted.
Figure 5.1.6 - Electronic Handwheels & Jogstick
5.1.7 Spindle Drive Belt Replacement
The spindle drive motor is located inside the base pedestal, underneath the headstock gearbox.
Access is gained by opening the upper door on the headstock and removing the lower access panel
