Silca Quattrocode Operating Manual page 47

QUATTROCODE
9.12 Replacing the electronic rack
1) switch off the machine and
disconnect the supply wire.
2) detach the cover (O) (chap. 9.5,
page 40).
WARNING: do not bend the cover during this
operation as the attachment hooks
could easily be broken.
3) disconnect the plug 1 from the
supply module.
4) disconnect the wires:
- 2 (Y axis motor)
- 3 (X axis motor)
- 4 (module supply board)
- 5 (A axis motor)
- 6 (Z axis motor)
- 7 (module supply board)
- 8 (B axis motor)
- 9 (module supply board)
- 10 (serial A)
- 11 (serial B)
- 12 (inlet/outlet module sup-
ply board)
5) loosen the four screws (W) securing the module (it is not necessary to remove them) (fig. 44).
6) slide the module partially from the rack and separate the terminal panel from the inlet/outlet
board (X) (fig. 45).
7) remove the inlet/outlet board (X)
8) detach the small protective panel by removing the two screws (W) (fig. 45).
9) remove the two screws (L2) and detach the protective cover (L1) (fig. 46), raising it in the
direction of the arrow.
10) release the flat cable (Z2) by pushing the two tabs (Z3) outwards (fig. 46).
11) remove the seven screws (Z1) and detach the upper panel (Z), complete with the keypad (fig.
42, page 46).
12) disconnect the two fan feed wires from the terminal panel (Z4) (fig. 46).
13) remove the four screws (K2) which secure the rack (K) to the machine and pull upwards (fig.
46, page 48).
14) to fit the new rack follow the instructions given in reverse order, taking care to connect the fan
feed wires (Z4) correctly (the red wire to the terminal marked '+' and the black wire to the
terminal marked '-') (fig. 46).
INLET/OUTLET
MODULE
Fig. 44
W
Copyright Silca 1999
Operating manual - English
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2
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TERMINAL
PANEL
47