SERVICE
7
7.1 Periodic maintenance
7.1.1 General notes
In normal operational conditions, no maintenance is necessary. If it is necessary, maintenance
must be done by approved personnel (the manufacturer or personnel approved by the
manufacturer).
INFORMATION!
For more data about regular inspections and maintenance procedures for devices with Ex and
other approvals, refer to the related supplementary instructions.
You must remove the device for cleaning only if the antenna does not have the purging system
option. If it is necessary to clean the device, obey the instructions given in the handbook.
7.1.2 Maintenance of the O-rings for the housing covers
If the display cover 1 or the terminal compartment cover 2 of the housing is opened and closed,
make sure that the O-rings are correctly greased or, if it is necessary, replaced. For more data
about the replacement of the O-rings, refer to
Figure 7-1: Maintenance of the O-rings
1 Display cover
2 Terminal compartment cover
112
Spare parts
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on page 155.
DR6500-PM-English-Issue 1
DR6500