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Section 7
STT99CEC
ENGINE OIL FILTER
DRAIN
PLUG
Drain Plug and Oil Filter LocationFigure 7-5.
C. CHANGING ENGINE OIL FILTER
After the first 20 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 Operator’s Manual for instructions. See
Figure 7-5.
ENGINE FUEL SYSTEM7.5
DANGER
To avoid injury from burns, allow the mower
to cool before removing the fuel tank cap and
refueling.
A. FILLING THE FUEL TANK
Fill the fuel tank at the beginning of each operating day.
For EPA Phase 2 (produced prior to 1/1/2011) models,
fill to within one (1) inch below the filler neck. For Low
Emission (LE) and EPA Phase 3 (produced after
1/1/2011) models, fill to the bottom of the filler neck insert
(approximately 8-1/2 gallons indicating Full (F) on the fuel
gauge) at the beginning of each operating day. See Figure
7-6. Do not overfill. Use clean, fresh unleaded gasoline
with a minimum octane rating of 87 and a maximum of
10% Ethanol.
DO NOT use E85 Fuel. Using E85 Fuel will cause severe
damage to the engine.
C. CHANGING HYDRAULIC OIL FILTER
ELEMENT
The hydraulic oil filter should be changed after every 500
hours of operation or annually, whichever occurs first.
Remove the oil filter element and properly discard it. 1.
See Figure 7-3. Fill the new filter with clean oil and
install the filter. Hand tighten only.
Run the engine at idle speed with the speed control 2.
lever in neutral for five minutes.
Check the oil level in the hydraulic tank. It must 3.
be 3-1/4" inches from the top of the filler neck. If
necessary, add SAE 20W50 motor oil.
ENGINE OIL7.4
390S0156
ENGINE OIL
DIPSTICK
Engine Oil Fill/Dipstick LocationFigure 7-4.
A. CHECKING ENGINE CRANKCASE OIL LEVEL
The engine oil level should be checked after every 8 hours
of operation or daily as instructed in the Engine Operator’s
Manual furnished with this mower.
B. CHANGING ENGINE CRANKCASE OIL
After the first 20 hours of operation, change the engine
crankcase oil and replace the oil filter. Thereafter,
change the engine crankcase oil after every 100 hours of
operation or bi-weekly, whichever occurs first. Refer to the
Engine Operator’s Manual furnished with this mower for
instructions. See Figure 7-5.