Scag Power Equipment STT-31BSD Manuel D’Utilisation

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 (See Figure 7-4).

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 (See Figure 7-4).

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
(See Figure 7-4).

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) and

properly discard it.  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" inches from the top of the filler neck.  If
necessary, add SAE 20W50 motor oil.

ENGINE OIL
 DIPSTICK

ENGINE OIL 
    FILTER

STT-BSD2001EOF

 ENGINE OIL 
DRAIN PLUG

390S0155-1

HYDRAULIC
OIL FILTER