Toro 30839 Operator's Manual page 47

Engine
1. Drain the engine oil from the oil pan and replace
the drain plug.
2. Remove and discard the oil filter. Install a new oil
filter.
3. Refill the oil pan with approximately 4 qt (3.8 l) of
SAE15W-40 motor oil.
4. Start the engine and run it at idle speed for
approximately two minutes.
5. Stop the engine.
6. Thoroughly drain all fuel from the fuel tank, fuel
lines, fuel filter, and water separator assembly.
7. Flush the fuel tank with fresh, clean diesel fuel.
8. Secure all fuel system fittings.
9. Thoroughly clean and service the air cleaner
assembly.
10. Seal the air cleaner inlet and the exhaust outlet with
weatherproof tape.
11. Check anti-freeze protection and add as needed for
expected minimum temperature in your area.
47