Hitachi ZW 310-6, Operator'S Manual

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MAINTENANCE
7-16
D. Hydraulic System
Parts Quantity
Interval (hours)
Page
10 50 100 250 500 1000 1500 2000 4000
1. Check Hydraulic Oil Level - 7-50
2.
Change Hydraulic Oil
*Oil capacity (Amount of oil change)
/ Clean Hydraulic Oil Tank
200 L
(137 L)

7-51
3. Clean Suction Filter 1 (When changing hydraulic oil) 7-53
4. Clean Pilot Oil Filter (Brake Circuit) 1 7-54
5. Clean Pilot Oil Filter (Steering Circuit) 1 7-56
6. Replace Hydraulic Tank Oil Filter 1 7-57
7. Replace Air Breather Element 1 7-59
8.
Check Pilot Circuit Accumulator
Function, Gas Leakage, Looseness,
and Damage
1 7-60
9.
Check Ride Control Accumulator
Function, Gas Leakage, Looseness,
and Damage
1 7-61
10. Check Gas Pressure in Ride Control
Accumulator
1 7-61
11. Check Gas Pressure in Steering
Accumulator
2 7-61
12.
Check Hoses and Lines for Leaks - 7-62
Check Hoses and Lines for Cracks,
Bend, etc.
- 7-62

: Hydraulic oil changing interval differs according to the kind of hydraulic oil used.
* : Hydraulic oil capacity indicates the entire amount of oil, including oil in the hydraulic oil tank, devices and lines.
Amount at oil change means the amount of oil that is changed during inspection and maintenance.
E. Fuel System
IMPORTANT: Be sure to use the specified fuel. Failure to do so may result in malfunction or damage on the
engine.
Parts Quantity
Interval (hours)
Page
10 50 100 250 500 1000 2000
1. Check Fuel Level - 7-67
2. Drain Water and Sediment from Fuel Tank 1 7-69
3. Drain Fuel Pre-Filter 1 7-70
4. Replace Fuel Main Filter Element 1 7-72
5. Replace Fuel Pre-Filter Element 1 7-73
6. Clean Fuel Pump Strainer 1 7-74
7.
Check Fuel Hoses for Leak, Cracks, etc. - 7-76
Check Fuel Hoses for Cracks, Bent, etc. - 7-76