Servicing The Engine Oil - Toro 74997 Operator's Manual

6. Remove the safety filter only if you intend to replace 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.
7. 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 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 you are replacing the safety filter, carefully slide it
into the filter body
3. Carefully slide the primary filter over the safety filter
(Figure 50).
Note: Ensure that the primary filter is fully seated by
pushing on its outer rim 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 upward and secure the latches
(Figure 50).
(Figure

Servicing the Engine Oil

Oil Type: Detergent oil (API service SG, SH, SJ, or higher)
Oil Capacity: with a filter change, 1.9 L (64 oz); with no
filter change, 1.7 L (57 oz)
Viscosity: See the table below.
Note: Use of multi-grade oils (5W-20, 10W-30, or 10W-40)
will increase oil consumption. Check the oil level more
frequently when using them.
Checking the Engine-Oil Level
Service Interval: Before each use or daily
Note: Check the oil when the engine is cold.
WARNING
Contact with hot surfaces may cause personal
injury.
Keep hands, feet, face, clothing, and other body
parts away from the muffler and other hot surfaces.
Important: Do not overfill the crankcase with oil
because that could damage engine. Do not run engine
with oil below the Low mark because the engine may
50).
be damaged.
1. Disengage the blade-control switch (PTO), move the
motion-control levers to the N
and set the parking brake.
2. Shut off the engine, remove the key, and wait for all
moving parts to stop before leaving the operating
position
39
Figure 51
EUTRAL
(Figure 52).
- position,
LOCK