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OPERATING INSTRUCTIONS RH 200
Inspection and servicing
Safety filter element
Replacement
Replace the safety filter elements (7, Fig. 3-41:) after 1000 operating hours or 3 cleaning cycles; after one year of operation at the latest.
Never clean the safety filter element, but always renew.
" Remove main filter element (5, Fig. 3-42:) as described above.
" Check the vacuum indicator (6, Fig. 3-41: resp. arrow Fig. 3-43:) whether
- the green spot is visible; in this case the safety filter must not be replaced
- the green spot is not visible; in this case the safety filter must be replaced.
" Unscrew vacuum indicator (6) and withdraw safety filter element (7).
" Install the new safety filter element and a cleaned or a new main filter element.
