User guide

ServoTube 25/38 Module User Guide
Chapter 3
Maintenance
Page 30
On the SB25 or XB38, Figure 3.18, remove the four M4 xings securing one thrust rod support to the backing •
bar and slide the thrust rod support out of the backing bar, Figure 3.19.
Remove the forcer by sliding it off the bearing rail taking care to keep the forcer square to the bearing rail so •
that balls are not lost from the re-circulating bearing carriage(s). If balls do fall out they can be re-inserted into
the carriages. Push the ball bearings using a small screwdriver into the end of the re-circulating path at the
plastic end plates on the carriage.
Preparation of replacement forcer
Transfer the following items from the removed forcer to the replacement forcer:
Bearing carriage(s). On SM/SB25 align the bearing carriages level with and parallel to the datum edge. On •
XM/XB38 align the bearing carriages to be 8 mm below and parallel to the datum edge
The encoder readhead bracket tted with the encoder readhead (optional items)•
The limit switch actuator (optional).•
The drag chain upper mounting bracket.•
Bearing carriage
Bearing carriage
Encoder readhead bracket
Encoder readhead
Upper drag chain bracket
Pod housing (non-removable)
with removable lid fitted
Forcer
Datum edge
Encoder cable clamp
Figure 3.20
Move forcer off end
of bearing rail
Forcer
Bearing rail
Forcer
Remove these screws
and thrust rod support
Bearing rail
Thrust rod
support
Backing bar
Figure 3.18 Figure 3.19