INSTALLATION
2-2
Introduction
This chapter deals with preparing the Service Monitor for use for the first time and with the checks
to be made when the Service Monitor may have been used under unknown conditions.
The latter situation could well apply where the Service Monitor is used by several users for
differing tasks.
Initial visual inspection of new instruments
After unpacking the Service Monitor and before making any connections to a power source,
inspect for any signs of mechanical damage.
Ventilation
The Service Monitor is force cooled by a fan located in the rear panel. The cooling air is drawn
into the Service Monitor through the fan and expelled through ventilator grills located on the right
and on the underside. An air filter over the fan inlet prevents the ingress of dust and other
particles.
The Service Monitor requires an unrestricted airflow to ensure that its performance meets
the specification. Before switching the Service Monitor on, check that the air inlet on the
rear panel is not restricted and that there is no loose material close by which could be
sucked into the fan. Refer to Routine Maintenance later in this chapter for details of
cleaning and replacing the air filter.
The optional operational case has ventilation apertures which align with those of the
Service Monitor. Ensure that these are not obstructed.
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