CHAPTER 6 – LUBRICATION / FILTERS / FLUIDS
6-20
AIR FILTER SYSTEM
Air lter element (Primary) ..............................
Service the element if the air lter restriction indicator is in the red area.
Replace the element after three washings. Also, replace the element
after 1000 hours of operation or each year, whichever occurs rst.
Air lter element (Secondary) .........................
Replace the element after the primary (outer) element has been cle-
aned three times, or after the primary element has been cleaned or
replaced and the air lter restriction indicator is still in the red area with
the engine running. Also, replace the element every 1000 hours or each
year, whichever occurs rst.
The validity of the ltering element of a new air cleaner is (5) years. Do not install a new lter that had been stored
(without use) for more than (4) years. The date of manufacture is indicated on the end cover of the element
Cleaning the Air Filter Element
The outer element of the air cleaner should be disassembled only when the air restriction indicator is in the red area.
For correct maintenance of the air lter proceed as following:
Clean dirt and oil from air cleaner assembly.1.
Loosen the clamp (5) xing bolt (3) that couples the air cleaner housing on the cover. Remove the cover (7) and 2.
seal ring (6).
Remove outer element (10) by loosening wing nut (8) and gasket.3.
NOTE: Visually check inner element each time outer element is cleaned or replaced. Do not attempt to clean the inner
element.
The lter may be cleaned with compressed air.4.
9
11
6
5
3
1
2
10
8
7
4
1. OUTER ELEMENT 5. CLAMP 9. FILTER HOUSING
2. NUT 6. O-RING 10. INNER ELEMENT
3. T-BOLT 7. CUP 11. VALVE DUST
4. NUT 8. NUT
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