Maintenance Guide; Front Joint Pins - Hitachi ZAXIS 120-3 class Operator's Manual

MAINTENANCE GUIDE

A. GREASING (See Page 7-16)

1. Front Joint Pins

2. Swing Bearing
3. Swing Internal Gear
NOTE: ★ Maintenance required when operating in water or mud and under extremely severe condition.
Maintenance required only during first time check.
★★
★★★ Check and add grease.
IMPORTANT: Grease bucket and link pivots every day until break-in operation (50 hours) is complete. When the
bucket joint boss end faces are not finished with WC thermal spraying, grease the bucket two joint
pin sections at an interval of every 250 hours.
B. ENGINE (See Page 7-20)
Parts
1. Engine Oil Oil Level Check
2. Engine Oil Change
3. Engine Oil Filter Replacement
NOTE: ★ Change 250 operating hours, if the content of sulfur of fuel is 2000 ppm or more.
Consult your nearest Hitachi dealer for the details.
Parts
Bucket and Link Pins
Others
ZX120-3, 180-3
Class
ZX200-3, 270-3
Class
ZX330-3 Class
MAINTENANCE
Quantity
8
9
★
11
★
2
1
Quantity
8
1
17.0 L
(4.5 US gal)
23.0 L
(6.1 US gal)
41.0 L
(10.8 US gal)
1
7-10
Interval (hours)
50 100 250
★★
★★
Interval (hours)
50 100 250
★
★
★
★
500 1000 2000
★★★
500 1000 2000