Servicing The Air Filter; Changing The Engine Oil - Toro 21764 Operator's Manual

Servicing the Air Filter

Service Interval: Every 25 hours
Yearly
1. Unclip the top of the air-filter cover
Figure 30
1. Clip
2. Air-filter cover
2. Remove the air filter
3. Inspect the air filter.
Note:
If the air filter is excessively dirty, replace
it with a new filter. Otherwise, gently tap the air
filter on a hard surface to loosen debris.
4. Install the air filter.
5. Use the clip to install the air-filter cover.
(Figure 30).
3. Air filter
(Figure 30).

Changing the Engine Oil

Service Interval: Yearly
Changing the engine oil is not required, but if
you want to change the oil, use the following
procedure.
Note:
Run the engine a few minutes before changing
the oil to warm it. Warm oil flows better and carries
more contaminants.
Engine Oil Specifications
Engine oil capacity
Oil viscosity
API service classification
*There is residual oil in the crankcase after you drain
the oil. Do not pour the entire capacity of oil into the
crankcase. Fill the crankcase with oil as directed in
the following steps.
1. Move the machine to a level surface.
2. Refer to Preparing for Maintenance (page
3. Remove the dipstick by rotating the cap
counterclockwise and pulling it out
g033493
1. Dipstick
2. Add
4. Tip the machine onto its side (so that the air
filter is up) to drain the used oil from the oil-fill
tube (Figure
19
0.44 L (15 fl oz)*
SAE 30 or SAE 10W-30
detergent oil
SJ or higher
(Figure
Figure 31
3. Full
32).
18).
31).
g187518