Toro 30631 Operator's Manual page 39

2. Remove and discard the oil filter. Install a new
oil filter.
3. Remove fill cap and add 4 quarts (3.8 l) of SAE
10W-30 CD, CE, CF, CF-4 or CG-4 classification
oil until the level reaches FULL mark on the
dipstick. DO NOT OVERFILL.
4. Start the engine and run at idle speed for
approximately two minutes.
5. Stop the engine.
6. Thoroughly drain all fuel from the fuel tank,
lines, fuel pump filter, and the fuel filter/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.
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