DMTA041-01EN [U8778479], Rev. C, May 2014
Chapter 1
22
Use only 250 V slow-blow fuses of the proper rating that meet IEC 127 standards.
Using fuses that are not recommended can cause a fire hazard.
External ground ( )
This ground terminal can be used to ground the TomoScan FOCUS LT using an
external wire. This terminal is very useful for certain inspections when it is
recommended to ground the instrument with the part under inspection.
Fans
• Two fans cool the internal components. Each fan has a mesh filter used to
filter air drawn in by the fan.
• Two grills for the air outlet are located on both sides of the TomoScan
FOCUS LT.
The fan grills must remain unobstructed to ensure a sufficient airflow and the mesh
filters must be cleaned whenever necessary (for details, see “Maintenance and
Troubleshooting” on page 35).
Back panel protective bumpers
These rubber bumpers have two functions:
• Protect the back-panel components,
• Leave a minimum clearance so that the air fan inlets are able to properly cool
the TomoScan FOCUS LT (see Figure 1-4 on page 23).
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