INSTALLATION & MAINTENACE MANUAL
RCOe2100/03.06
40
5.4 – “Check list” for usage in presence of explosive hazardous
atmosphere (Directive “ATEX” 94/9/CE)
In addition to the standard controls listed in the previous sections, in case the motor is destined to be used
in explosive hazardous atmosphere, the maintenance operator must check that:
o
the motor has the plate ensuring the its comply to the Directive “ATEX” 94/9/CE (pls. refer to the
“Identifying the product” section)
o
the motor is connected to ground by means of the dedicated threaded hole identified by means of the
symbol (
);
o
mineral oil with inflammable degree higher than 185°C is used (pls. refer to the “Type of used fluids”
section);
o
motor is always flushed in whatever operating condition (pls. refer to the section “Flushing”);
o
the motor is equipped with a system to detect the oil level inside the motor case: motor case must be
always full of oil (pls. refer to the section “Flushing”);
o
there are no creeping metal elements external to the motor;
o
there are no plastic parts that might accumulate electrostatic; or they are shielded.
o
for installations in zones 21 and 22 the user has adopted a scheduled periodic cleaning plan of the
machinery surface and recesses so that to prevent more than 5 mm thickness dusts deposits.
