Maintenance Guide - Hitachi ZAXIS 30U-5N Operator's Manual

Maintenance Guide

A. Greasing
1. Front Joint Pins
2. Blade Pins
3. Swing Bearing
4. Swing Internal Gear
5. Control Lever Universal Joint
 : 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
1. Engine Oil
2. Engine Oil
3. Engine Oil Filter
 : As the oil life is shortened more than normal under high temperature operating condition, shorten the
maintenance interval.
C. Transmission
Travel Reduction
1.
Gear
Change
Parts
ZX30U-5N, 35U-5N,
Bucket and
50U-5N
Link Pins
ZX60USB-5N
Swing Post and Others
Parts
Check Oil Level
ZX30U-5N, 35U-5N
Change ZX50U-5N
ZX60USB-5N
Replace
Parts
Check Oil Level
ZX30U-5N, 35U-5N
ZX50U-5N, 60USB-5N
MAINTENANCE
Quantity
8
5

6

10

4
2
1
2
Quantity
8
1
6.7 L
(1.8 US gal)
7.4 L
(2.0 US gal)
10.5 L
(2.8 US gal)
1
Quantity
8
2
0.6 L×2
(0.63 US qt)
0.9 L×2
(0.95 US qt)
7-10
Interval (hours)
50 100 250 500 1000
or every year 7-19

or every year 7-21
or every year 7-23
Interval (hours)
50 100 250 500 1000 2000

Interval (hours)
50 100 250 500 1000 2000
Page
2000
7-19
7-19
7-22
7-23
Page
7-24
7-25
7-25
Page
7-28
7-29
7-29