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Ex p control unit
Motor purge controller
Visual inspection
Cleaning
Regular maintenance
10.3 Repair work
Rev. 0
Perform a visual inspection every month:
Check the enclosures, cable entries and cables for any damage.
Check if the screw connections are mechanically secured.
Check fault memory for any contents.
Solvents should not be used to clean the control unit, as these can impair its
properties if they come into contact with seals.
Depending on the purity of the purge air used, the inlet and outlet of the control
unit must be inspected regularly for any contamination (e.g. oil, dust, etc.) or
corrosion.
In the event of any abnormalities, the operator should weigh up the possibility of
a timely and appropriate cleaning at BARTEC GmbH against a spontaneous
failure of the control unit.
Furthermore, the function of the entire system should be checked. In this regard,
the correct sequence of the purging phase and operating phase should be
checked.
Any repairs to the control unit and the accessories may only be carried out by
BARTEC GmbH.
01-37A2-7D0003_Operating instructions_MPC_20210923_0_en.docx
Maintenance and repair
Page 77 of 96
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