Scag Power Equipment STR - Manual (Page 39)

Section 7
33
B. Changing Engine Crankcase Oil
After the first 5 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.
Figure 7-6 Engine Oil Filter Location
Figure 7-4 Engine Fill Stick
Figure 7-5 Drain Plug Location
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.
Drain Plug
Figure 7-3 Hydraulic Oil Filter
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
2-1/4" 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.
Hydraulic Oil Filter
EngineOilDipstick