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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.
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).
7.4 ENGINE OIL
Figure 7-4 Engine Oil Filter
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
390S0155-1
HYDRAULIC
OIL FILTER
Engine Oil
Filter
Hydraulic Oil
Reservoir
2007 STT-KBD EOF