Roche Diagnostics May 2009
Service Manual · Version 9.0 B-127
cobas b 221 system 5 AutoQC module
Replacing the flex cable (short)
5
Loosen the two screws holding the cross-slide cover by turning them about one
revolution.
6
Pull the cross-slide cover up.
7
Unscrew the screw holding the Z distributor board.
8
Disconnect the AQC sample tube, the motor cable and the flex cable (short) from
the Z distributor board (see above).
9
Unscrew the cross-slide axis setscrew and remove it upwards (see above).
10
Remove the cross-slide unit and the Z distributor board.
Use the reverse order for assembly.
Replacing the flex cable (short)
1
Switch off the cobas b 221 system.
2
Pull the AutoQC module out to the left.
3
Loosen the two screws holding the AutoQC cover by turning them about one
revolution.
4
Pull the AutoQC cover back and then left.
5
Loosen the two screws holding the cross-slide cover by turning them about one
revolution.
A AQC sample tube
B Motor cable
C Flex cable (short)
D Fixing screw
E Setscrew
Figure B-98 Z distributor board
First unlock the flex cable connector by lifting the ends of the connector then pull the cable from the
board.
Activate the function program
h
[System] > [Component test] > [Aggregates] > [AQC motors]
> [AQC motors] > [Service Position] to bring the motors to the service position.
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