Roche cobas b 221 system

Roche Diagnostics May 2009
B-132 Service Manual · Version 9.0
5 AutoQC module cobas b 221 system
Replacing the Y motor
Replacing the Y motor
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.
6 Pull the cross-slide cover up.
7 Unscrew the screw holding the cable guide on top of the YZ distributor board and
move the cable guide to the right.
e For details, see Figure B-97 on page B-126.
8 Disconnect the motor cable from the YZ distributor board.
e For details, see Figure B-97 on page B-126.
9 Unscrew the two screws holding the motor and remove the Y motor.
10 Remove the gear wheel from the motor and attach it to the new motor.
Use the reverse order for the further assembly.
Replacing the Z motor
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.
6 Pull the cross-slide cover up.
7 Disconnect the motor cable from the Z distributor board.
e For details, see Figure B-98 on page B-127.
Activate the function program h [System] > [Component test] > [Aggregates] > [AQC motors]
> [AQC motors] > [Service Position] to bring the motors to the service position.
Activate the function program h [System] > [Component test] > [Aggregates] > [AQC motors]
> [AQC motors] > [Service Position] to bring the motors to the service position.