INSTRUCTION MANUAL - Alessandri srl

88 ––––– 5. MAINTENANCE(5) Checking and adjusting cooling fan V-belt (2nd time and after)Check and adjust the cooling fan V-belt tension every 250 hours operation from 2nd time and on.Refer 5.3.1(2)5.3.4 Inspection every 500 hours operation(1) Replacing the air cleaner elementReplace the air cleaner element periodically even if it is not damaged or dirty.When replacing the element, clean the inside air cleaner case at the time.If having the air cleaner with double elements, do not remove the inner element. If the engine output is still notrecover (or the dust indicator still actuates if having the air cleaner with a dust indicator) even though the outerelement has replaced with new one, replace the inner element with new one.