Roche Diagnostics May 2009
Service Manual · Version 9.0 B-25
cobas b 221 system 4 Components
T&D system (Turn & Dock)
3
Pull the bypass nipple up and disconnect it.
e
For details, see Figure B-8 on page B-25.
Use the reverse order for assembly.
Replacing the optical sensor SS6
1
Disassemble T&D module.
e
For instructions, see Replacing the T&D module on page B-21.
2
Remove the sensor cover on the left side of the T&D module.
3
Hold down the locking button of the sensor plug and pull the sensor plug out.
A Bypass nipple B Bypass holder
Figure B-8 Replacing the bypass nipple
A Sensor plug
B Sensor SS6
C Sensor cover
Figure B-9 Sensor SS6