Instruction manual

5. Adding and Replacing Optional Modules
145
Figure 5-30 Removing a basic switching unit (1)
(1) Screws
CAUTION
Loosen the screws completely. If the screws are not loose enough, the
basic switching unit might be damaged when the levers are opened.
Step 4
Open the right and left levers of the basic switching unit at the same time (the unit
comes out toward you about 15 mm).
Figure 5-31 Removing a basic switching unit (2)
(1) Lever