Weller WFE 2ES, Руководство по эксплуатации, Страница: 15 / 25

WFE 2ES 7-8
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7 Changing filter
WARNING!
Unfiltered harmful substances and gases
A supersaturated activated carbon filter cannot absorb any more
harmful substances and gases. The gases and harmful
substances are released again unfiltered to the environment.
Z
Observe the recommended filter change intervals.
Note Different fluxes, flux concentrations and different dust
concentrations in the extracted air can considerably reduce the
service life of the filter.
The filter must therefore be inspected regularly and replaced if
necessary.
Recommendation for filter change:
Z
In single-shift operation, check the pre-filter (=fine dust filter)
every 10 days and replace if badly contaminated.
Z
Replace the compact filter after the 6th to 8th pre-filter change.
Removing filter:
1. Disconnect the mains plug (7) from the mains power supply.
2. Open the turnbuckles (4) between the turbine housing (8) and
filter housing (2).
3. Lift up the filter housing (2).
4.
Remove the contaminated fine dust filter (10) from the compact
filter (11)
or
remove the contaminated compact filter (11).
Note
Dispose of the contaminated filter as hazardous waste in
accordance with the specifications in the country of use.
Installing new filter:
5. Insert compact filter (11) (observe flow direction).
6. Insert fine dust filter (10) in compact filter (11).
7. Close filter housing (2).
8. Close turnbuckles (4).
9. Note date of filter replacement on maintenance label and affix on
housing in clearly visible position.
10. Insert mains plug (7).
The unit is now ready for operation again.