Hitachi ZAXIS 30U-5N User Manual

MAINTENANCE
7-10
Maintenance Guide
A. Greasing
Parts Quantity
Interval (hours)
Page
8 50 100 250 500 1000 2000
1. FrontJointPins
Bucketand
LinkPins
ZX30U-5N,35U-5N,
50U-5N
5

7-19
ZX60USB-5N 6

7-19
SwingPostandOthers 10
 
or every year 7-19
2. BladePins 4 or every year 7-21
3. SwingBearing 2 7-22
4. SwingInternalGear 1 7-23
5. Control Lever Universal Joint 2 or every year 7-23

: Incaseexcavationsareperformedinwater,greasethepinafteroperationiscomplete.

: Greaseallpinsevery100hoursduringfirsttimeoperationupto500hours.
IMPORTANT: Grease front joint pins every day until break-in operation (50 hours) is complete.
B. Engine
Parts Quantity
Interval (hours)
Page
8 50 100 250 500 1000 2000
1. EngineOil CheckOilLevel 1 7-24
2. EngineOil Change
ZX30U-5N,35U-5N
6.7L
(1.8USgal)

ZX50U-5N
7.4L
(2.0USgal)
7-25
ZX60USB-5N
10.5 L
(2.8USgal)
3. EngineOilFilter Replace 1 7-25

: As the oil life is shortened more than normal under high temperature operating condition, shorten the
maintenance interval.
C. Transmission
Parts Quantity
Interval (hours)
Page
8 50 100 250 500 1000 2000
1.
TravelReduction
Gear
CheckOilLevel 2 7-28
Change
ZX30U-5N,35U-5N
0.6L×2
(0.63USqt)
7-29
ZX50U-5N,60USB-5N
0.9L×2
(0.95USqt)
7-29

Hitachi ZAXIS 30U-5N Specifications

General

Brand	Hitachi
Model	ZAXIS 30U-5N
Category	Excavators
Language	English