Hitachi ZW 370-6 Operator's Manual page 433

1. Remove covers.
2. Remove grease from the cylinder rods if coated.
3. Fill the fuel tank. Bleed air from the fuel system. Check all
fluid levels.
4. Adjust alternator and fan belt tension.
5. Check the oil level. Add oil as needed.
6. Test battery electrolyte solution and install the batteries.
If the machine is equipped with the battery disconnect
switch, turn the disconnect switch ON.
7. Start the engine. Run the engine at less than 1,000 RPM's
for several minutes before full load operation.
8. Repeat the process several times.
9. Stop the engine. Check each device for oil leaks.
10. Replace the fuel filter and engine oil filter with new one
as needed. Change engine oil.
11. Check clamps of the suction hoses, air cleaner hoses and
radiator hoses. Retighten them as needed.
12. Recheck radiator coolant.
Before operating, check the machine in accordance with the
descriptions in "Daily Check before Starting the Engine" on
page 3-1 and warm up.
STORAGE
10-3