Hitachi ZAXIS 17U-5N Owner's Manual page 155

Hydraulic excavator
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D. Hydraulic System
1. Check Hydraulic Oil Level
2. Drain Hydraulic Oil Tank Sump
3. Change Hydraulic Oil
4. Clean Suction Filter
Replace Full-Flow (Return)
5.
Filter Element
6. Replace Pilot Oil Filter Element
7. Check Hoses and Lines
 : Changing interval differs according to the brand of hydraulic oil used, kind of filter element or average
attachment operating availability.
Refer to the "Change Hydraulic Oil" and "Replace Full-Flow Filter Element".
 : Maintenance required only during first time.
E. Fuel System
1. Check Fuel Level
2. Check Water Separator
3. Drain Fuel Tank Sump
4. Replace Fuel Filter Element
5. Check Fuel Hoses
F. Air Cleaner
1. Air Cleaner Element
 : Shorten the interval in a dusty work site.
MAINTENANCE
Parts
ZX17U-5N
ZX26U-5N
Filter-Paper Element
High Performance
Element (Optional)
for leaks, loose
for cracks, bend, etc.
Parts
for leaks, cracks
for cracks, bend, etc.
Parts
Clean
Replace
Quantity
8
50
1
1
26 L
(6.9 US gal)
39 L
(10.3 US gal)
1
Each time when hydraulic oil is changed
1
1
1
-
-
Quantity
8
50
1
1
1
1
-
-
Quantity
8
50
1
1
After cleaning 6 times or 1 year
7-15
Interval (Hours)
100
250
500 1000 2000


Interval (Hours)
100
250
500 1000 2000
As required
Interval (Hours)
100
250
500 1000 2000
Page
7-38
7-39
7-40
7-40
7-44
7-46
7-48
7-48
Page
7-55
7-56
7-57
7-58
7-59
7-59
Page
7-60
7-60

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Zaxis 26u-5n

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