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16
Service Item
100
Hours
50
Hours
25
Hours
5
Hours
Each
Use
Service Operation
Cooling System
Clean grass, clippings, and debris from
the engine air cooling fins and starter.
Clean it more frequently in dirty operating
conditions.
X
Throttle
Adjust as necessary.
Fuel Tank
Empty the fuel tank before certain repairs
as directed or before storage.
CAUTION
POTENTIAL HAZARD
•
If you leave the wire on the spark plug, someone could start the engine.
WHAT CAN HAPPEN
•
Someone accidentally starting the engine could seriously injure you or other bystanders.
HOW TO AVOID THE HAZARD
•
Disconnect the wire from the spark plug before you do any maintenance. Set the wire aside
so that it does not accidentally contact the spark plug.
Checking the Engine Oil Level
Before you use the lawn mower, make sure that the oil
level is between the Add and the Full marks as shown on
the dipstick (Fig. 5). If the oil level is below the Add
mark, add oil. Refer to Filling the Crankcase with Oil on
page 7.
Changing the Engine Oil
Change the oil after the first five operating hours and then
after every 50 operating hours or every season. Run the
engine just before changing the oil to warm the oil. Warm
oil flows better and carries more contaminants.
Note: Change the oil after every 25 operating hours when
operating under heavy load or in high temperatures.
WARNING
POTENTIAL HAZARD
•
Tipping the lawn mower may cause the fuel to
leak from the carburetor or the fuel tank.
WHAT CAN HAPPEN
•
Gasoline is extremely flammable, highly
explosive and under certain conditions can
cause personal injury or property damage.
HOW TO AVOID THE HAZARD
•
Avoid fuel spills by running the engine dry or
removing gasoline with a hand pump; never
siphon.
Draining the Oil above the Lawn Mower
Deck
Note: Toro recommends this procedure for draining the
engine oil.
1. Disconnect the wire from the spark plug (Fig. 8).
Summary of Contents for 20487
Page 26: ...26 141 1 Figure 33 1 Dethatcher attachment ...
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