Hitachi 120-3 class Operator's Manual page 203

C. TRANSMISSION (See Page 7-23)
Parts
Oil Level Check
1. Pump
Change
Transmission
Oil Level Check
2. Swing
Reduction
Change
Gear
Oil Level Check
3. Travel
Reduction
Change
Gear
D. HYDRAULIC SYSTEM (See Page 7-27)
Parts
1. Check Hydraulic Oil Level
2. Change Hydraulic
Oil
3. Suction Filter Cleaning
4. Replace Hydraulic Tank Oil Filter
5. Replace Pilot Oil Filter
6. Replace Air Breather Element
for leaks
7. Check Hoses and
Lines
for cracks, bend, etc.
NOTE: ✸ Hydraulic oil changing interval differs according to the kind of hydraulic oil used.
See recommended oil chart.
✸✸ While demolition and logging work.
ZX180-3, 200-3, 270-3
Class
ZX330-3 Class
ZX120-3 Class
ZX180-3, 200-3 Class
ZX270-3 Class (Except
280LC-3, 280LCN-3)
ZX280LC-3, 280LCN-3
ZX330-3 Class
ZX120-3 Class
ZX180-3, 200-3 Class
ZX270-3 Class (Except
280LC-3, 280LCN-3)
ZX280LC-3, 280LCN-3,
330-3 Class
Quantity
130 L
ZX120-3 Class
(34.3 US gal)
190 L
ZX180-3 Class
(50.2 US gal)
ZX210-3, 200 L
210LC-3 (52.8 US gal)
ZX210LCN-3, 170 L
240N-3 (44.9 US gal)
243 L
ZX270-3 Class
(64.2 US gal)
298 L
ZX330-3 Class
(78.7 US gal)
MAINTENANCE
Quantity
8
1
1.0 L
(1.1 US qt)
1.4 L
(1.5 US qt)
1
3.2 L
(3.4 US qt)
6.2 L
(1.6 US gal)
9.1 L
(2.4 US gal)
11.7 L
(3.1 US gal)
17.0 L
(4.5 US gal)
2
4.0 L 2
×
(4.2 US qt)
6.8 L 2
×
(1.8 US gal)
7.8 L 2
×
(2.1 US gal)
9.2 L 2
×
(2.4 US gal)
8 50 100
1
1
1
1
1
–
–
7-11
Interval (hours)
50 100 250
Interval (hours)
250 300 500 1000 1500 2500 5000
When changing hydraulic oil
✸✸ ✸
500 1000 2000
✸ ✸ ✸ ✸
✸ ✸ ✸ ✸
✸ ✸ ✸ ✸
✸ ✸ ✸ ✸
✸ ✸ ✸ ✸
✸