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Figure 33
1. Sail Area of Blade
2. Blade
3. Spring Disk
Servicing the Air Cleaner
Primary Filter: Clean or replace after every 200 operating
hours.
Safety Filter: Replace after every 600 operating hours.
Note: Check the filters more frequently if operating
conditions are extremely dusty or sandy.
Removing the Filters
1. Disengage the power take off (PTO), set the parking
brake, and turn the ignition key to off. Remove the
key. Remove spark plug wire(s).
2. Release the latches on the air cleaner and pull the air
cleaner cover off of the air cleaner body (Fig. 34).
3. Clean the inside of the air cleaner cover with
compressed air.
4. Gently slide the primary filter out of the air cleaner
body (Fig. 34). Avoid knocking the filter into the side
of the body. Do not remove the safety filter, unless you
intend to replace it as well.
5. Inspect the primary filter for damage by looking into
the filter while shining a bright light on the outside of
the filter. Holes in the filter will appear as bright spots.
If the filter is damaged discard it.
Important
Never attempt to clean the safety filter. If
the safety filter is dirty, then the primary filter is damaged
and you should replace both filters.
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M–4226
4. Blade Bolt
5. Cone Towards Bolt Head
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Figure 34
1. Latches
2. Air cleaner cover
3. Air filter body
Cleaning the Primary Filter
Blow compressed air from the inside to the outside of the
primary filter.
Important
Do not exceed 100 psi and keep the hose at
least 2 inches from the filter. Replace air filters if they are
damaged or cannot be cleaned.
Important
Do not clean safety filter. Replace it after
600 operating hours.
Installing the Filters
Important
To prevent engine damage, always operate
the engine with both air filters and cover installed.
1. If installing new filters, check each filter for shipping
damage. Do not use a damaged filter.
2. If the safety filter is being replaced, carefully slide it
into the filter body (Fig. 34).
3. Carefully slide the primary filter over the safety filter
(Fig. 34). Ensure that it is fully seated by pushing on
the outer rim of the filter while installing it.
Important
Do not press on the soft inside area of the
filter.
4. Install the air cleaner cover with the side indicated as
UP facing up and secure the latches (Fig. 34).
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4. Primary filter
5. Safety filter
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