Scag Power Equipment STT-31BSD Lawn Mower User Manual


 
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Section 7
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 (See Figure 7-4).
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 (See Figure 7-4).
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
(See Figure 7-4).
7.4 ENGINE OIL
Figure 7-4 Engine Dipstick, Filter, Oil Drain
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) 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.
Figure 7-3 Hydraulic Oil Filter
ENGINE OIL
DIPSTICK
ENGINE OIL
FILTER
STT-BSD2001EOF
ENGINE OIL
DRAIN PLUG
390S0155-1
HYDRAULIC
OIL FILTER