Roche Diagnostics May 2009
Service Manual · Version 9.0 B-41
cobas b 221 system 4 Components
BG measuring chamber
4
Unscrew the three screws holding the ISE module (see above, A).
5
Lift the ISE module and pull the BG module forward.
6
Disconnect the mainboard plugs from the BG module and remove the BG
module.
Use the reverse order for assembly.
Replacing the fan protector (BG module)
1
Disassemble the BG module.
e
For instructions, see Replacing the BG measuring chamber on page B-40.
A Three screws holding the ISE module B Three screws holding the BG module
Figure B-25 Screws holding the BG and ISE modules
Make sure that there is no contamination between heating plate and sample distributor cartridge.
A Fan protector
Figure B-26 Fan protector
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