Hitachi ZW310 - Page 215

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7-15
Parts Quantity
Interval (hours)
10 50 100 250 500 1000 1500 2000 4000
1. Check Hydraulic Oil Level
—
2. Change Hydraulic Oil
ZW180 150 L
★
ZW220 190 L
★
ZW250 210 L
★
ZW310 230 L
★
3. Suction Filter Cleaning 1 (When changing hydraulic oil)
4. Replace Pilot Oil Filter
1
5. Replace Hydraulic Tank Oil Filter
1
6.
Check Hoses and Lines for leaks
—
Check Hoses and Lines for cracks, bend, etc
—
NOTE:
★
Hydraulic oil changing interval differs according to the kind of hydraulic oil used.
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Parts Quantity
Interval (hours)
10 50 100 250 500 1000 2000
1. Air Cleaner Outer/Inner Element
Cleaning 1 Indicator comes ON
Replacement
1 After cleaning 6 times or 1 year
Parts Quantity
Interval (hours)
10 50 100 250 500 1000 2000
1. Check Fuel Level
—
2. Drain Fuel Tank Sump
1
3. Check Fuel Filter Sump
1
4. Replace Fuel Main Filter
ZW180, ZW220, ZW250 1
ZW310 1
5. Replace Fuel Pre-Filter
ZW180, ZW220, ZW250 1
ZW310 1
6. Clean Fuel Solenoid Pump Strainer
1
7.
Check Fuel Hoses for leak, cracks, etc
—
Check Fuel Hoses for cracks, bent, etc
—
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