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Section 7
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 7-4).
ENGINE FUEL SYSTEM7.5
DANGER
To avoid injury from burns, allow the mower
to cool before removing the fuel tank cap and
refueling.
2008 STT-CAT EFF
Engine Fuel
Filter
Fuel Shutoff Valve
Fuel FilterFigure 7-5.
A. FILLING THE FUEL TANK
Fill the fuel tank at the beginning of each operating day to
within one inch below the filler neck. Do not overfill. Use
clean, fresh diesel fuel with a minimum cetane rating of
40.
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 (Figure 7-3) and 1.
properly discard it. 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 be 3.
3" inches from the top of the filler neck. If necessary,
add SAE 20W50 motor oil.
ENGINE OIL7.4
Engine Oil
Filter
Engine Oil FilterFigure 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.