Important:
Never attempt to clean the inner filter.
If the safety filter is dirty, then the primary filter is
damaged. Replace both filters.
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2
3
4
5
Figure 43
1.
Inner filter
4.
Latch
2.
Primary filter
5.
Air-cleaner body
3.
Air-cleaner cover
10.
Inspect the primary filter for damage by looking into
the filter, while shining a bright light on the outside
of the filter.
Note:
Holes in the filter will appear as bright spots.
If the filter is damaged, discard it.
Servicing the Primary Filter
•
If the primary filter is dirty, bent, or damaged, replace it.
•
Do not clean the primary filter.
Servicing the Safety Filter
Replace the safety filter, never clean it.
Important:
Do not attempt to clean the safety filter.
If the safety filter is dirty, then the primary filter is
damaged. Replace both filters.
Installing the Filters
Important:
To prevent engine damage, always operate
the engine with both air filters and the cover installed.
1.
If installing new filters, check each filter for shipping
damage.
Note:
Do not use a damaged filter.
2.
If the inner filter is being replaced, carefully slide it into
the filter body (Figure 43).
3.
Carefully slide the primary filter over the inner filter
(Figure 43).
Note:
Ensure that the primary filter is fully seated by
pushing on the outer rim while installing it.
Important:
Do not press on the soft, inside area
of the filter.
4.
Install the air-cleaner cover and secure the latches
(Figure 43).
Servicing the Engine Oil
Oil Type:
Detergent oil (API service SJ or higher)
Oil Capacity for 74959 engine:
with a filter change, 1.65 L
(56 oz); with no filter change, 1.5 L (51 oz)
Viscosity:
See the table below.
Figure 44
Note:
Use of synthetic oil having 5W-20 or 5W-30 rating is
acceptable, up to 4 degrees C (40 degrees F).
Note:
Synthetic oils will provide better starting in extreme
cold below -23 degrees C (-10 degrees F).
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