146
MAINTENANCE INSTRUCTIONS 
X712 G713 QQQ_G714 
INSTRUCTIONS FOR MAINTENANCE 
OF DRY AIR CLEANER 
Carry out maintenance of the air cleaner 
as follows: 
1. Lift the front bonnet. 
2. Release clips of the air cleaner lid 
(marked by arrows). 
3. Remove the cleaner lid (1). 
 
 
 
 
 
 
 
 
 
REGENERATION OF THE MAIN AIR 
CLEANER CARTRIDGE 
−  Pull out the main cartridge of the dry 
cleaner (2). 
Unless the main cartridge is damaged 
(no dust may be on the inner surface of 
the cartridge), carry out regeneration by 
purging using compressed air from the 
inner side of the cartridge. 
This cleaning procedure may be re-
peated maximum three times. The car-
tridge shall be replaced every year. 
 
 
 
 
 
REPLACEMENT OF AIR CLEANER 
LOCKING CARTRIDGE 
−  Pull out the locking cartridge of the dry 
cleaner (3). 
The locking cartridge cannot be 
regenerated. It shall always be 
replaced in these cases: 
-  when the main cartridge is 
damaged 
-  after 5 maintenances of the air 
cleaner 
-  at least every two years