Delta PCS100 Maintenance Manual page 185

Maintenance
12. Remove the screws securing the C board. There are standoffs located on the C board to hold it
in place.
Figure 262. Removing the Screws from the C Board Assembly
13. Slide the C board upwards to clear the posts from the key holes and pull it off to remove it.
Figure 263. Removing a C Board
Maintenance Manual 173