OPERATING INSTRUCTIONS RH 90 C E Inspection and servicing Checking and cleaning the filter element Check the filter paper of the element by inserting a lamp into the element (Fig. 3-30:). Any damage can then be seen. Replace damaged or distorted element immediately.
Fig. 3-31:
Blow filter element (Fig. 3-31:) dry with compressed air by moving the compressed-air piston up and down inside it. The pressure at the nozzle must not exceed 6 bars. Cleaning is completed when no more dust is seen to leave the filter element. Fig. 3-30:
Check element seal. If damaged, replace filter element too. Cleaning with compressed air allows the filter element to be re-used immediately.
3-44
Never clean filter element by beating it against hard objects.
Replace main filter element after 1000 operating hours or 3 cleaning cycles, but not later than after one year of operation.
BA RH90C(3 720 760.00)-EN
