Before Starting; Filling The Crankcase With Oil; Filling The Fuel Tank With Gasoline - Toro 22173 Operator's Manual

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Before Starting

Filling the Crankcase with Oil

The crankcase can hold 19 ounces (0.56 liters) of oil. Use
only high-quality SAE 30 or SAE 10W30 weight
detergent oil that has the American Petroleum Institute
(API) service classification SF, SG, SH, or SJ.
Before each use, ensure that the oil level is between the
Add and Full marks on the dipstick (Fig. 5).
Figure 5
1. Dipstick
Note: When the crankcase is empty, pour about 3/4 of the
crankcase capacity of oil in the crankcase, then follow the
procedure in this section.
To add oil:
1. Move the lawn mower to a level surface.
2. Clean around the dipstick (Fig. 5).
3. Remove the dipstick by rotating the cap
counterclockwise and pulling it out.
4. Wipe the dipstick clean with a clean cloth.
5. Insert the dipstick into the filler neck, then remove it.
Note: To ensure an accurate oil level reading, you must
fully install the dipstick.
6. Read the oil level on the dipstick (Fig. 5).
7. If the oil level reading is below the Add mark on the
dipstick, slowly pour only enough oil into the filler
hole to raise the oil level to the Full mark on the
dipstick.
Important
run the engine; engine damage will result. Drain the
excess oil until the oil level on the dipstick reads Full.
8. Insert the dipstick into the filler neck and rotate the
Filling the Fuel Tank with
Gasoline
For best results, use clean, fresh, lead-free gasoline with
an octane rating of 87 or higher. To ensure freshness,
purchase only the quantity of gasoline that you expect to
use in 30 days. Using unleaded gasoline results in fewer
combustion deposits and longer engine life. You may use
leaded gasoline if unleaded gasoline is not available.
Important
1
Important
methanol, gasohol containing more than 10% ethanol,
premium gasoline, or white gas. Using these fuels can
damage the engine's fuel system.
Important
since the last mowing season or longer.
8
Do not overfill the crankcase with oil and
cap clockwise until it is tight.
Do not add oil to the gasoline.
Do not use methanol, gasoline containing
Do not use gasoline that has been stored
Danger
In certain conditions, gasoline is extremely
flammable and highly explosive. A fire or
explosion from gasoline can burn you and others
and can damage property.
Fill the fuel tank outdoors, in an open area, and
when the engine is cold. Wipe up any gasoline
that spills.
Do not fill the fuel tank completely full. Add
gasoline to the fuel tank until the level is 1/4 to
1/2 in. (6 to 13 mm) below the bottom of the
filler neck. This empty space in the tank allows
the gasoline to expand.
Never smoke when handling gasoline, and stay
away from an open flame or where a spark may
ignite the gasoline fumes.
Store gasoline in an approved fuel container
and keep it out of the reach of children.
Never buy more than a 30-day supply of
gasoline.

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