Engine Oil; Engine Fuel System - Scag Power Equipment STC48V-24BS Operator's Manual

4. Fill the reservoir to 3-1/4" inches from the top of the
filler neck with SAE 20W50 motor oil.
5. Replace the reservoir fill cap. Start the engine and
drive forward and backward for two minutes. Check
the oil level in the reservoir. If necessary, add oil to the
reservoir.
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 (Figure 7-3, Page 31)
and properly discard it. Fill the new filter with clean
SAE 20W50 engine 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

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.
ENGINE OIL
FILLER
ENGINE OIL
FILTER
Figure 7-5 Briggs & Stratton Engine Oil Fill/
Dipstick, Filter
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 Operator's Manual for instructions.

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
Fill the fuel tank at the beginning 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.
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.
32
Section 7