User guide

ServoTube 25/38 Module User Guide
Chapter 3
Maintenance
Page 22
CORRECTIVE MAINTENANCE
The corrective maintenance by the user is limited to the following items:
Power and Sensor cables•
Thrust rod•
Bellows (SB25 and XB38 only)•
Forcer•
Encoder readhead•
CABLE REPLACEMENT
Note. It is not possible to replace an encoder cable. If an encoder cable needs replacing, the complete encoder
assembly will have to be replaced. See ENCODER READHEAD on page 31 in this chapter.
CAUTION. If the optional Renishaw encoder is tted, it has an integral cable that also runs
through the drag chain. Take care not to damage this item when releasing the other cables.
Removal
Unclip the covers of • all links in the drag chain. These are shown coloured green in Figure 3.3. They can be
removed as a single item by progressively pulling up the tongue of the rst cover until all are unclipped.
Remove any cable ties that have been used to hold the cables in position. •
With the cover section removed the cables can now be removed from the drag chain, see Figure 3.4. •
Link covers
identified by
green highlight
Link covers
removed
Figure 3.3
Figure 3.4