9. Monitoring the minimum airflow volume
For safe dust exhaust at the work area, the minimum airflow volume must be
checked before every use. If suction is too weak, turn off the device and clean the
filter and the connected suction equipment.
The people assigned to disposal work must be instructed on the aspirated
toxic materials and wear a breathing protection mask with a class P3
particle filter, as well as protective clothing. All distractions by uninvolved
persons must be prevented.
During cleaning work, all soiled objects that can no longer be adequately
cleaned must be disposed of. Such objects must be disposed of in an
impermeable bag in compliance with applicable regulations for disposal of
such refuse.
10.1 Cleaning the filter manually
Before each start-up and when suction decreases, turn the crank
clockwise 3 to 5 times when the motor is still. After the filter has
been cleaned, the dust collection container must be emptied (see
the “Disposal” section).
Additionally, on OMF devices with a spark separator, before activating the hand
crank, remove the spark separator drawer that is integrated into the device. For
this, loosen the screws that lock the drawer. Then the hand crank can be turned
for cleaning. To allow the dust to settle in the device, wait about 1-2 minutes. Then
the spark separator drawer can be installed back into the device.
If fine dust is being exhausted, the filter needs to be cleaned more often.
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