103
TRAK Machine Tools
Southwestern Industries, Inc.
TRAK TMC Mills with ProtoTRAK RMX CNC Safety, Installation, Maintenance, Service & Parts List
6.6
Servomotor Replacement Procedures
See drawings 31530 and 31538 at the rear of the manual.
Tools Required
☐
5mm allen socket with a
ratchet handle with an 8” extension
or
5mm T-handle allen wrench with
an 8” reach
☐
6mm allen socket with a
ratchet handle with an 8” extension
or
6mm T-handle allen wrench with
an 8” reach
☐
5/32”
allen socket with a ratchet handle
or
5/32”
T-handle allen wrench
☐
1/8”
allen socket with a ratchet handle
or
1/8”
T-handle allen wrench
☐
1/8” ball end allen wrench
☐
Torque wrench
1.
Press the e stop button.
2.
Disconnect the cables from the machine.
3.
The chuck and adapter plate do not need to be removed when replacing the motor, but it may be
easier if you remove them.
4.
Remove the motor shaft key retaining screw (item #35), retaining washer (item #33), washer
(#32), and an O-ring seal (item #18), refer to assembly drawing 31530. Use a socket wrench
with an
8” extension and 5
mm allen socket, or a 5mm T-handle wrench.
5.
Loosen side cable clamp (item #30), remove rear (item #12) and upper (item #11) sheet metal
covers, remove cable clamps on lower sheet cover (item #9), and remove lower sheet metal
(item #10). Refer to assembly drawing 31530.
6.
Disconnect the motor cables from the motor.
7.
Remove (4) motor mounting screws (items #43 & #44)
, use the socket wrench with 8” extension
and 6mm allen wrench. Refer to assembly drawing 31530.
8.
Remove the old motor and install a new one. (
Caution
- The motor shaft key might have a snug
fit and will
require slight help using a 10” long brass or aluminum drift pin/rod and a hammer to
drive out.
) Torque the motor mounting screws to 25 ft-lbs.
9.
Connect the motor cables to the motor.
10.
Install lower sheet metal.
11.
Install cable clamps on rear cover.
12.
Install the rear and upper sheet metal covers.
13.
Tighten side cable clamp.
14.
Install the motor shaft key retaining screw, washers, and O-ring seal.
15.
Connect the cables to the machine.
16.
Test the 4
th
axis to verify it operates properly.
