Toro 03170 Operator's Manual page 56

5. Start the engine and run it at idle speed for
approximately two minutes.
6. Stop the engine.
7. Thoroughly drain all the fuel from the fuel tank, fuel
lines, fuel filter, and water separator assembly.
8. Flush the fuel tank with fresh, clean diesel fuel.
9. Secure all fuel system fittings.
10. Thoroughly clean and service the air cleaner
assembly.
11. Seal the air cleaner inlet and the exhaust outlet with
weatherproof tape.
12. Check anti-freeze protection and add as needed for
the expected minimum temperature in your area.
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