172
MAINTENANCE INSTRUCTIONS 
E718 
REASSEMBLING OF FILTER ELE-
MENTS 
Make reassembling of the filter elements 
with by the reverse procedure. 
Be careful at the air filter element 
reassembly: 
1.  Keep the contact surfaces clean. 
2. Air  filter  elements must not be 
deformed and must not vibrate after 
assembly. 
3.  The proper tightness of the complete 
cleaner must be assured after 
reassembling of the air filter cover.
 
4. After finishing the air filter main-
tenance ensure the proper function of 
the pollution indicator again.