Roche Diagnostics May 2009
B-70 Service Manual · Version 9.0
4 Components cobas b 221 system
Bottle compartment
6
Pull the waste docking mechanism 1 cm forward and then pull it down.
7
Pull the waste tube out of the waste docking mechanism.
Use the reverse order for assembly.
Replacing the docking mechanism S1 (rinse solution)
1
Remove the cobas b 221 system top cover.
2
Open the bottle compartment cover and the S1 docking mechanism.
3
Pull S1 rinse solution forward.
4
Unscrew the screw holding the S1 docking mechanism.
5
Pull the S1 docking mechanism 1 cm forward and then pull it down.
6
Pull the rinse tube off the nipple and remove the S1 docking mechanism.
Use the reverse order for assembly.
Replacing the docking mechanisms S2 and S3 (fluid packs)
1
Remove the top cover and T&D cover of the cobas b 221 system.
2
Open bottle compartment cover and S2 (or S3) docking mechanism.
3
Pull S2 (or S3) fluid pack forward.
4
Unscrew the screw holding the S2 (or S3) docking mechanism.
A Waste separator
B Waste tube
C Holding screw
Figure B-51 Waste docking mechanism