Bruker BioSpin BLAH2000-I E C, Operating & Service Manual

Page: 41 / 48

Operating & Service Manual Version 001 BRUKER BIOSPIN 41 (47)
8
Service Information
and Maintenance 8
Every intervention on the device must be carried out by an authorized and
qualified person. Any failure due to a non-respect of the following instructions will
not be attributable to BRUKER BIOSPIN and will not be covered by the guarantee
clauses.
Preventive Maintenance of the RF Module on BLA-Type Amplifiers 8.1
The RF module inside BLA's Amplifiers is equipped with a easily extractible PUSH
and PULL FAN Assemblies.
Fan's on assembly have a high reliability and manufacturer gives a expected live
time of 70000 hours (8 years) at 25°C and 5 years at 60°C.
Replacement of the assembly could be done in the field when a misfonction of
fans is detected by lightning from the OVERHEAT Status Led.
To prevent such a misfonction, a preventive maintenance could be done every 4
years.
These assemblies can be ordered on the manufactory BBIO-FR by P/N:
•
W1346530 «PUSH FAN ASSEMBLY BLA1000/300».
•
W1346531 «PULL FAN ASSEMBLY BLA1000/300».
Operation 8.1.1
1. Disconnect all cables from the front panel and the supply connector on the rear
panel. Remove the amplifier from the CLINSCAN console and place it on a
secure flat surface.
2. Unscrew and remove the coverage plate from the amplifier.
3. Disconnect the 2 connectors J3 and J4 (two red/white wires) from the left side
of the RF module.