Maintenance Guide - Hitachi Zaxis 33U-5A 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 operation condition, shorten the
maintenance interval.
C. Transmission
Travel Reduction
1.
Gear
Change
Parts
ZX33U-5A, 38U-5A,
Bucket and
48U-5A, 55U-5A
Link Pins
ZX65USB-5A
Swing Post and Others
Parts
Check Oil Level
ZX33U-5A, 38U-5A
Change ZX48U-5A, 55U-5A
ZX65USB-5A
Replace
Parts
Check Oil Level
ZX33U-5A, 38U-5A
ZX48U-5A, 55U-5A,
65USB-5A
MAINTENANCE
Quantity
8
5

6 
10 
4
2
1
2
Quantity
1
6.7 L
(1.8 US gal)
7.4 L
(2.0 US gal)
10.5 L
(2.8 US gal)
1
Quantity
2
0.6 L×2
(0.63 US qt)
0.9 L×2
(0.95 US qt)
7-11
Interval (hours)
50 100 250 500 1000

Interval (hours)
8 50 100 250
Interval (hours)
8 50 100 250
Page
2000
7-19
7-19
or every year 7-19
or every year 7-21
7-22
7-23
or every year 7-23
Page
500 1000 2000
7-24
7-25

7-25
Page
500 1000 2000
7-28
7-29
7-29