Toro 74161, Service Manual

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MAINTENANCE
2 - 4 Mid-Mount Z Service Manual
Installing the Filters
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 (Figure 3).
3. Carefully slide the primary filter over the safety
filter (Figure 3). Ensure that it is fully seated by
pushing on the outer rim of the filter while
installing it.
Do not press on the soft inside area of
the filter.
Install the air cleaner cover with the side indicated as
UP facing up and secure the latches (Figure 3).
Servicing Models Equipped With the
Heavy-Duty Air Cleaner
Primary Filter: Clean or replace every 200 operating
hours or when Filter Minder reaches
Change Filter
level.
Safety Filter: Replace after every 600 operating hours.
Note: Service the air cleaner more frequently if
operating conditions are extremely dusty or sandy.
Using the Filter Minder
This machine contains an air cleaner Filter Minder
gauge.
Filter Minder: Check this daily.
The plunger inside the gauge canister will change to
red when the air cleaner element becomes dirty and
restricted. When it changes red, air cleaner
maintenance is required.
1. Start by visually checking the condition of the
primary element. If the element is visually dirty,
replace the primary element. Do not attempt to
clean it.
2. Reset the gauge by depressing the button in the
bottom of the canister until the plunger returns to
the lowest point (Figure 4).
Figure 4
0508-001
3. Test run the engine and recheck the gauge. If the
plunger changes to red, the primary element is
restricted and must be replaced, even though it
may not appear to be dirty.
4. The gauge may be reset at any time, however it
will return to red if correct filter servicing has not
been performed.
Important
Important