Roche cobas b 221 system

Roche Diagnostics May 2009
B-30 Service Manual · Version 9.0
4 Components cobas b 221 system
T&D system (Turn & Dock)
7 Pull the plug control out to the front.
Use the reverse order for assembly.
Replacing the T&D actuator board
1 Disassemble T&D module.
e For instructions, see Replacing the T&D module on page B-21.
2 Disconnect all cables and the optical sensor from the actuator board.
3 Unscrew the three screws holding the actuator boards and remove the actuator
board.
Use the reverse order for assembly.
Replacing the stepper motor
1 Disassemble T&D module.
e For instructions, see Replacing the T&D module on page B-21.
2 Disconnect the two plugs (labeled POS and TURN) from the actuator board.
A Plug control fixing screws
Figure B-15 T&D module
A
Electrostatically sensitive components!
Note the correct positions of the various plug connectors on the cables during installation.
Electrostatically sensitive components!