Hitachi ZW310 - Page 216

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7-16
Parts Quantity
Interval (hours)
10 50 100 250 500 2000 4000
1. Check Coolant Level
—
2. Check Fan Belt
ZW220, ZW250 —
3. Check Fan Belt Tension
ZW220, ZW250 —
4. Adjust Fan Belt Tension
ZW220, ZW250 —
5. Change Coolant
ZW180 26 L
★
ZW220 38 L
ZW250 41 L
ZW310 59 L
★★
6. Oil Cooler and Radiator Core 1 (Or when the clogg)
NOTE:
★
Use the coolant specified by CUMMINS for ZW180. When TMCR329 or TMC330 is used, change the coolant every
2000 hours or every 2 years whichever comes first.
NOTE:
★★
Use the coolant specified by DAIMLER for ZW310. When 325.2 or325.3 is used, change the coolant every 4000
hours or every 3 years whichever comes first.
 

NOTE: ZW220 and ZW250: When genuine Hitachi long life coolant (LLC) is used, change the coolant every 4000 hours or ev
-
ery 2 years whichever comes first.
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
Parts Quantity
Interval (hours)
10 50 100 250 500 1000 2000
1. Check Right and Left Brake Interlocking Perfor
-
mance
—
2. Check Parking Brake Force
—
3. Check Accumulator Function, Gas Leakage, Loose
-
ness, and Damage
—
4. Check Gas pressure in Accumulator
—
★
5. Check Brake Disks (Service and Paring) —
NOTE:
★
Check the accumulator for the ride control system simultaneously when the machine is equipped with the ride
control system.
