Hitachi ZW 310-6 Operator's Manual page 313

IMPORTANT: The machine is equipped with a
turbocharged engine. Cool down before stopping
the engine. Failure to do so may cause the lubricant
on the turbocharger bearing and seal surfaces
to be dissipated due to the intense heat present
inside the turbocharger, possibly damaging the
turbocharger.
4. Turn the key switch OFF to stop the engine. Leave the
machine untouched for 10 minutes.
5. Prepare a container of more than 60 L (16 gal)
capacity to receive the oil.
6. Remove drain plug (12) from the transmission
bottom to drain the oil.
Dispose of the oil in accordance with local
regulations.
f
NOTE: Drain plug (12) is magnetized. If excessive amount
of metal pieces are found on drain plug (12), contact your
nearest authorized dealer.
7. Securely tighten drain plug (12).
j (12) : 36 mm
m : 140 N·m (14.3 kgf·m, 103 lbf·ft)
f
NOTE: Do not apply sealant to drain plug (12).
8. Remove bolts (9) (4 used) and disconnect suction
tube (10).
9. Take out and clean strainer (11) in clean oil.
Replace strainer (11) if any abnormality is observed.
10. Install strainer (11) with a new gasket correctly.
Install suction tube (10) with bolts (9) (4 used).
m (9) : 90 N·m (9.2 kgf·m, 66 lbf·ft)
MAINTENANCE
7-35
10
12 11
9
90Z7B-7-35-1