85
TRAK Machine Tools
Southwestern Industries, Inc.
TRAK TMC Mills with ProtoTRAK RMX CNC Safety, Installation, Maintenance, Service & Parts List
5.1.7.2
Z Axis EHW Front or Rear Sensor Removal and Replacement
1.
Move Y Axis forward to soft limit, move X Axis to negative soft limit.
2.
Remove right side window or door.
3.
Two cables from electrical cabinet should be disconnected from bracket on spindle side panel as
shown in figure 5.1.7.2a and liquid tight fitting, which you will disconnect while doing step 4.
Figure 5.1.7.2a
Figure 5.1.7.2b
4.
Use M4 and M5 Allen wrench to remove spindle side panel, prop it for rear access.
5.
Remove rear stop bracket and wiper.
6.
Slide rail far forward enough to expose sensor needing replacement, gib may become loose as
shown in figure 5.1.7.2b
. Don’t let it fall and keep it clean.
You May need to cut tie wraps holding
EHW cable for access.
7.
Unplug front or rear sensor cable from bracket on side panel shown in figure 5.1.7.2a (viewed
while removed from TMC for access).
8.
Remove single Philips head screw holding sensor along rail without losing bracket behind sensor.
9.
Reinstall rear stop bracket and wiper.
10.
I
nstall sensor cable to “Y”
connector.
11.
Reinstall panel to Z Axis head while connecting cables from electrical cabinet back to bracket.
12.
Lightly grease gib and dovetail sliding surfaces.
13.
Reinstall outer rail on inner rail and insert gib
14.
Replace window or door as needed.
