Servicing The Engine Oil - Toro Z Master Professional 6000 74922 Operator's Manual

Figure 47
1. Air-cleaner clamps
2. Air-cleaner cover
Servicing the Primary Filter
1. Do not clean the paper filter, replace it
2. Inspect the element for tears, an oily film, or damage to
the rubber seal.
3. Replace the paper element if it is damaged.
Servicing the Secondary Filter
Do not clean the secondary filter, replace it.
Important: Do not attempt to clean the secondary filter.
If the secondary filter is dirty, then the primary filter is
damaged and you should 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 secondary filter is being replaced, carefully slide
it into the filter body
3. Carefully slide the primary filter over the secondary
filter (Figure 47).
4. 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.
5. Install the air-cleaner cover with the breather cap down,
and rotate so that the retaining clamps lock the cover
in place (Figure 47).
3. Primary air filter
4. Secondary air filter
(Figure
(Figure 47).

Servicing the Engine Oil

Oil Type: Detergent oil (API service SG, SH, SJ, or higher)
Oil Capacity for 74923, 74925, and 74927 engines: with a
filter change, 2.3 L (77 oz); with no filter change, 2.1 L (70 oz)
Oil Capacity for 74922, 78922, and 78924 engines: with a
filter change, 2.1 L (71 oz); with no filter change, 1.8 L (61 oz)
Viscosity: See the table below.
47).
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 damage to the engine may result. Do not run
engine with oil below the Low mark because the engine
may be damaged.
1. Disengage the PTO, move the motion-control levers to
the neutral-locked position, and set the parking brake.
2. Stop the engine, remove the key, and wait for all
moving parts to stop before leaving the operating
position
37
Figure 48
(Figure 49).