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Section 7
C. Changing Engine Oil Filter
After the first 5 hours of operation, replace the engine oil
filter. Thereafter, replace the oil filter after every 200
hours of operation or every month, whichever occurs
first. Refer to Engine Operators Manual for
instructions.
7.5 ENGINE FUEL SYSTEM
A. Filling the Fuel Tank
Fill the fuel tank at the begining of each operating day to
within 1 inch below the filler neck. Do not overfill. Use
clean, fresh unleaded gasoline with a minimum octane
rating of 87.
B. Replacing In-Line Fuel Filter Element
The in-line fuel filter (Figure 7-7) should be replaced
after every 500 hours of operation or annually, whichever
occurs first.
Figure 7-7 Fuel Filter
1. Close the shutoff valve. Remove the two clamps
securing the fuel filter to the fuel hose. Remove the
fuel filter.
2. Install a new fuel filter. Be sure it is installed in the
proper direction. Secure to the fuel hose using the
two clamps.
7.6 ENGINE AIR CLEANER
A. Cleaning and/or Replacing Air Cleaner
Element
For any air cleaner, the operating environment dictates
the air cleaner service periods. Inspect and clean the air
cleaner element after every 100 hours of operation or bi-
weekly, whichever occurs first and replace the element if
required.
-NOTE-
In extremely dusty conditions it may be
necessary to check the element once or
twice daily to prevent engine damage.
1. Remove the wing nut securing the air cleaner cover
to the engine. Remove the air cleaner cover and set
aside.
2. Remove the air cleaner and inspect.
3. Clean or replace the air cleaner and foam pre-cleaner
as recommended by the engine manufacturer.
To avoid injury from burns, allow the mower to
cool before removing the fuel tank cap and
refueling.
STT99FF
HOSE
CLAMPS
FUEL
FILTER