Roche cobas b 221 system User Manual

Roche Diagnostics May 2009
Service Manual · Version 9.0 B-133
cobas b 221 system 5 AutoQC module
Replacing the AutoQC steel tube
8 Unscrew the cross-slide axis setscrew and pull it up.
e For details, see Figure B-98 on page B-127.
9 Unscrew the two screws holding the motor and remove the Z motor.
10 Remove the gear wheel and the guide sleeve from the motor and attach them to
the new motor.
Use the reverse order for the further assembly.
Replacing the AutoQC steel tube
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 tube (see below, A) on the steel tube from the AQC needle.
8 Unscrew the setscrew of the steel tube (see below).
Activate the function program h [System] > [Component test] > [Aggregates] > [AQC motors]
> [AQC motors] > [Service Position] to bring the motors to the service position.
A Tube on the steel tube from the AQC needle
B Setscrew
C Tube from the steel tube
D Steel tube
Figure B-101 AutoQC steel tube
A
B
C
D

Roche cobas b 221 system Specifications

General

Brand	Roche
Model	cobas b 221 system
Category	Medical Equipment
Language	English