Scag Power Equipment STT-31BSG Engine Oil, C. Changing Hydraulic Oil Filter Element, Section

Section 7

7.4 ENGINE OIL

HYDRAULIC OIL

FILTER

390S0155

Figure 7-3 Hydraulic Oil Filter

ENGINE OIL

DIPSTICK

STT-BSG99EOF

ENGINE OIL

FILTER

ENGINE OIL

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 3-1/4" inches from the top of the filler neck. If necessary, add SAE 20W50 motor oil.

DRAIN PLUG

Figure 7-4 Engine Dipstick, Filter, Oil Drain

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).

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