Service Manual
47
Demount the I/O module type 10 from the control system CPU by unscrewing the screw (C) a bit (4–5 mm). Remove
the I/O module type 10 by lifting it upwards.
fig.7640A
Mount the new control system CPU
Start by mounting the control knob unit on the control system CPU. Fasten the screw (A).
Mount the I/O module type 10 and fasten the screw (C).
Mount the two grounding brackets (B) on the new control system CPU.
Mount the control system CPU on the control panel and make sure that the guide pins (D) are in position. Fasten the
screws to the panel.
Connect the cables and remount the cover.
Mount the cover ring and the control knob
Mount the cover ring and rotate it clockwise until it is in position.