Hitachi ZAXIS 135US-6 class User Manual

MAINTENANCE
7-15
C. Transmission
Parts Quantity
Interval (hours)
Page
8 50 100 250 500 1000 2000
1.
Pump
Transmission
Check Oil Level 1 7-60
Change
ZX225USLC-6 1.6 L
7-60
ZX345USLC-6 1.7 L
Air Breather Cleaning 1 7-60
2.
Swing Reduction
Gear
Check Oil Level 1 7-61
Change
ZX135US-6 3.2 L
7-61ZX225USLC-6 6.9 L
ZX345USLC-6 11.7 L
3.
Travel Reduction
Gear
Check Oil Level 2 7-62
Change
ZX135US-6 4.2 L×2
7-63ZX225USLC-6 6.8 L×2
ZX345USLC-6 11 L×2
D. Hydraulic System
Parts Quantity
Interval (hours)
Page
8 50 100 250 500 1000 1500 2000 2500 5000
1. Check Hydraulic Oil Level 1 7-67
2.
Change Hydraulic Oil
** Hydraulic oil capacity
(amount at oil
change)
ZX135US-6
155 L
(60 L)
 
7-68ZX225USLC-6
240 L
(130 L)
ZX345USLC-6
251 L
(160 L)
3. Suction Filter Cleaning 1 Each time when hydraulic oil is changed 7-71
4. Replace full-flow filter Std. Model 1

7-72
5. Replace Pilot Oil Filter 1 7-73
6. Replace Air Breather Element 1 7-74
7. Check Hoses and Lines
for leaks, loose
7-75
for cracks, bend, etc. −

: 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.

Hitachi ZAXIS 135US-6 class Specifications

General

Brand	Hitachi
Model	ZAXIS 135US-6 class
Category	Excavators
Language	English