Hitachi ZAXIS 135US-6 class Operator's Manual page 307

C. Transmission
Check Oil Level
Pump
1. Change
Transmission
Air Breather Cleaning
Check Oil Level
Swing Reduction
2.
Gear
Change
Check Oil Level
Travel Reduction
3.
Gear
Change
D. Hydraulic System
Parts
1. Check Hydraulic Oil Level
Change Hydraulic Oil
** Hydraulic oil capacity
2.
(amount at oil
change)
3. Suction Filter Cleaning
4. Replace full-flow filter
5. Replace Pilot Oil Filter
6. Replace Air Breather Element
7. Check Hoses and Lines
 : Changing interval differs according to the brand of hydraulic oil used, kind of filter element or average attachment
operating availability.
Refer to the "changing intervals of hydraulic oil and full flow filter element". See recommended oil chart.
** : 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.
MAINTENANCE
Parts
ZX225USLC-6
ZX345USLC-6
ZX135US-6
ZX225USLC-6
ZX345USLC-6
ZX135US-6
ZX225USLC-6
ZX345USLC-6
ZX135US-6
ZX225USLC-6
ZX345USLC-6
Std. Model
for leaks, loose
for cracks, bend, etc.
Quantity
8
1
1.6 L
1.7 L
1
1
3.2 L
6.9 L
11.7 L
2
4.2 L×2
6.8 L×2
11 L×2
Quantity
8 50 100 250 500 1000 1500 2000 2500 5000
1
155 L
(60 L)
240 L
(130 L)
251 L
(160 L)
1 Each time when hydraulic oil is changed
1
1
1
−
7-15
Interval (hours)
50 100 250 500 1000 2000
Interval (hours)


Page
7-60
7-60
7-60
7-61
7-61
7-62
7-63
Page
7-67
 7-68
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7-72
7-73
7-74
7-75