Changing The Engine Oil; Replacing The Air Filter - Toro 20955 Operator's Manual

Important: Before tipping the mower to change
the oil or replace the blade, allow the fuel tank
to run dry through normal usage. If you must
tip the mower prior to running out of fuel, use a
hand fuel pump to remove the fuel. Always tip
the mower onto its side, with the air filter up.
WARNING
Tipping the mower may cause the fuel to leak.
Gasoline is flammable, explosive and can cause
personal injury.
Run the engine dry or remove the gasoline with
a hand pump; never siphon.

Replacing the Air Filter

Service Interval: Every 25 hours
1. Use a screw driver to open the air filter cover
(Figure 19).
2. Replace the air filter (Figure 20).
3. Install the cover.

Changing the Engine Oil

Service Interval: After the first 5 hours
Yearly
Run the engine a few minutes before changing the oil
to warm it. Warm oil flows better and carries more
contaminants.
Figure 19
Figure 20
1. Move the mower to a level surface.
2. Refer to Preparing for Maintenance.
3. Remove the dipstick (Figure 21).
1. Dipstick
4. Tip the mower onto its side with the air filter up
to drain the used oil out through the oil fill tube
(Figure 22).
5. Return the mower to the operating position.
6. Pour about 3/4 of the crankcase capacity of oil in
the crankcase.
7. Wipe the dipstick clean with a clean cloth.
8. Insert the dipstick fully into the oil fill tube, then
remove the dipstick.
9. Read the oil level on the dipstick.
Note: If the oil level is below the Add mark on the
dipstick, slowly pour a small amount of oil into the
oil fill tube and repeat steps through until the oil
level is at the Full mark on the dipstick ().
Important: Do not overfill the crankcase with
oil and run the engine. Drain the excess oil until
the oil level on the dipstick reads Full.
14
Figure 21
Figure 22