74
TRAK Machine Tools
Southwestern Industries, Inc.
TRAK TMC Mills with ProtoTRAK RMX CNC Safety, Installation, Maintenance, Service & Parts List
5.0
Procedure for Replacements & Maintenance
5.1
Replacements
5.1.1
Servo Drive Replacement
The Servo Drive (figure 5.1.1) for each axis is mounted in the electrical cabinet using (4) M8-25 25B cap
screws.
1.
Press in the Emergency Stop.
2.
Remove power from the machine.
3.
Disconnect the two digital cables with DB connectors (CN1 and CN2).
4.
Disconnect the incoming motor power 8 individual wires with lug termination from the X & Y
drives (labelled L1-6, L2-6, L1-7, L2-7, L3-7, U, V, W). Do not pull on the wires.
5.
Disconnect the incoming motor power 10 individual wires with lug termination from Z drive
(labelled L1-6, L2-6, L1-7, L2-7, L3-7, U, V, W, P, C). Do not pull on the wires.
6.
Remove the three green ground wires
(labeled “GND”)
by removing the green screws on the
bottom left corner of the unit.
7.
Mount the new servo drive in the cabinet using (4) M5-0.8X10 25B cap screws.
8.
Reconnect the green ground wires followed by the two digital cables and 8 or 10 power wires
based upon the drive.
WARNING!
Do not remove the Servo Drives unless the power is disconnected from the machine. The servo drives
are run by 220 VAC. There is possibility of death by electrocution!
Do not work with the brushless motors unless the power is disconnected from the machine. The
motors are run by 220 VAC. There is possibility of death by electrocution!
Figure 5.1.1 - Servo Drive and Motor
5.1.2
Programming Panel, Run Panel and Computer Module
Replacement
Note -
The design of the TMC allows easy replacement of the programming and run panel assemblies.
The sections below will provide instructions for Programming Panel, Run Panel, Hand Wheel, Key Lock,
Emergency Knob, and Computer Module replacement if needed.
