MAINTENANCE
53
Vacuum filters
Inspect the vacuum filter (29) at least once every week. Replace the filter element if it is very dirty.
See separate operating and maintenance instructions for the vacuum filter.
Procedure:
1.
Hang the lifting device without any suction plate attached from a crane or similar and lift it.
The filter housing on the lifting device is accessible from underneath.
2.
Release the quick-release fasteners.
3.
Remove the filter element.
4.
Insert a new filter element.
5.
Close the cover.
6.
Set the lifting device back down.
7.
Check airtightness (see chapter 9.7.3).
Draining the condensation water
During vacuum generation, condensation forms due to humidity. Drain the condensation at least once per week.
Procedure:
1.
Open the drain screw (9.1) and allow the condensation to drain out.
2.
Close the drain screw (9.1).
29
9.1
