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Maintenance Guide
A. Greasing
1. Front Joint Pins
2. Swing Bearing
3. Swing Internal Gear
: In case excavations are performed in water, grease the pin after operation is complete.
: 250 hours for only first time.
: Check and add grease if necessary.
IMPORTANT:
Grease bucket and link pivots every day until break-in operation (50 hours) is complete.
When a bucket which does not have clearance adjustment mechanism such as slope-finishing bucket or
V-type bucket, or a genuine Hitachi hoe bucket before EX-5 model, or an attachment other than genuine
Hitachi bucket is used, grease two pins every 250 hours.
B. Engine
1. Engine Oil
2. Engine Oil
3. Engine Oil Filter
4. Check and Clean Around the Engine
MAINTENANCE
Parts
Bucket and Link Pins
Others
Parts
Check Oil Level
ZX135US-5B
Change
ZX225US-5B,
225USLC-5B
Replace
Quantity
8
50
9
11
2
1
Quantity
8
50
1
17 L
23 L
1
−
7-10
Interval (hours)
100 250
500
1000 2000
Interval (hours)
100
250
500 1000 2000
As required
Page
7-19
7-19
7-21
7-22
Page
7-23
7-25
7-25
7-27
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