Engine Oil; Engine Fuel System - Scag Power Equipment STC48V-19KAI Operator's Manual

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C. CHANGING HYDRAULIC OIL FILTER
ELEMENT
The hydraulic oil filter should be changed after every 500
hours of operation or annually, whichever occurs first.
1. Remove the oil filter element and properly discard it.
See Figure 7-3. Fill the new filter with clean oil and
install the filter. Hand tighten only.
2. Run the engine at idle speed with the speed control
lever in neutral for five minutes.
3. Check the oil level in the hydraulic tank. It must
be 3-1/4" inches from the top of the filler neck. If
necessary, add SAE 20W50 motor oil.
7.4

ENGINE OIL

ENGINE OIL
FILLER
Figure 7-4. Kohler & Kawasaki engine oil Fill/
Dipstick, Filter and Drain Locations
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.
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.
7.5

ENGINE FUEL SYSTEM

To avoid injury from burns, allow the mower
to cool before removing the fuel tank cap and
refueling.
A. FILLING THE FUEL TANK
ENGINE OIL
DRAIN PLUG Fill the fuel tank at the beginning of each operating day
to within one (1) inch below the filler neck. Do not overfill.
ENGINE OIL
Use clean, fresh unleaded gasoline with a minimum octane
FILTER
rating of 87 and a maximum of 10% Ethanol.
DO NOT use E85 Fuel. Using E85 Fuel will cause severe
damage to the engine.
To avoid personal injury or property damage, use extreme
care in handling gasoline. Gasoline is extremely flammable
and the vapors are explosive.
1. Extinguish all cigarettes, cigars, pipes and other
sources of ignition.
2. Use only an approved gasoline container.
3. Never remove the gas cap or add fuel with the
engine running. Allow the engine to completely cool
before fueling.
4. Never fuel the machine indoors or in an enclosed
trailer.
5. Never store the machine or fuel container where
there is an open flame, spark or pilot light such as on
a water heater or other appliances.
6. Never fill containers inside a vehicle or on a truck
or trailer bed with a plastic liner. Always place
containers on the ground away from your vehicle
before filling.
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Section 7
DANGER