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Engine Maintenance
Engine Safety
•
Shut off the engine and remove the key before
checking the oil or adding oil to the crankcase.
•
Do not change the governor speed or overspeed
the engine.
Servicing the Air Cleaner
Service Interval: Every 400 hours
Check the air-cleaner body for damage that could
cause an air leak. Replace a damaged air cleaner.
Check the whole intake system for leaks, damage, or
loose hose clamps.
Service the air-cleaner filter only when the service
indicator
(Figure
31) requires it. Changing the air filter
before it is necessary only increases the chance of
dirt entering the engine when you remove the filter.
Important:
Be sure that the cover is seated
correctly and seals with the air-cleaner body.
1.
Release the latch securing the air-cleaner cover
to the air-cleaner body
Figure 31
1. Air-cleaner-service
indicator
2. Air-cleaner cover
2.
Remove the cover from the air-cleaner body.
Before removing the filter, use clear and dry
low-pressure air (276 kPa or 40 psi) to help
remove large accumulations of debris packed
between outside of the filter and the canister.
Avoid using high-pressure air, which could
force dirt through the filter into the intake
tract.
(Figure
31).
g014183
3. Air-cleaner-cover latch
Note:
This cleaning process prevents debris
from migrating into the intake when you remove
the filter.
3.
Remove and replace the filter.
Important:
Do not clean the used element
to prevent damaging the filter media. Inspect
the new filter for shipping damage, checking
the sealing end of the filter and the body. Do
not use a damaged element. Insert the new
filter by applying pressure to the outer rim
of the element to seat it in the canister. Do
not apply pressure to the flexible center of
the filter.
4.
Clean the dirt-ejection port located in the
removable cover.
5.
Remove the rubber outlet valve from the cover,
clean the cavity and replace the outlet valve.
6.
Install the cover orienting the rubber outlet valve
in a downward position—approximately between
the 5 o'clock to 7 o'clock positions when viewed
from the end.
7.
Secure the latch.
Servicing the Engine Oil
Oil Specification
Use Toro Premium Engine Oil or another high-quality,
low-ash engine oil that meets or exceeds the following
specifications:
•
API service category CJ-4 or higher
•
ACEA service category E6
•
JASO service category DH-2
Use the following engine oil viscosity grade:
•
Preferred oil: SAE 15W-40 (above 0°F)
•
Alternate oil: SAE 10W-30 or 5W-30 (all
temperatures)
Toro Premium Engine Oil is available from your
authorized Toro distributor in either 15W-40 or 10W-30
viscosity grades.
Checking the Engine-Oil
Level
Service Interval: Before each use or daily
The engine is shipped with oil in the crankcase;
however, the oil level must be checked before and
after the engine is first started.
Important:
Check the engine oil daily. If the
engine-oil level is above the Full mark on the
dipstick, the engine oil may be diluted with fuel;
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